Topic leaderboard
Working stone or stone-like materials
Ranked by the PatentIndex Score — a 1–99 percentile within B28D · public-visibility date · generated 2026
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest B28D patents became public in the last 2 years — the current frontier
- 199Phillip Sollami37 patents · 1,995 citations
- 296Stefan Abresch8 patents · 48 citations
- 392Reuven Paikin8 patents · 42 citations
- 488Charles Kalomeris5 patents · 18 citations
- 583Matthew Savarino5 patents · 18 citations
- 679Michael Hart8 patents · 13 citations
- 775Nicholas A. Costanzo5 patents · 9 citations
- 871Ulf Petersson4 patents · 13 citations
- 967Sven Vallgren4 patents · 2 citations
- 1063Feng-Cheng Hsu4 patents · 1 citations
- 1158Shuo-Mao Chen4 patents · 1 citations
- 1254Mariana Bertoni3 patents · 6 citations
- 1350Pablo Guimerá Coll3 patents · 6 citations
- 1446Hayato Iga6 patents · 4 citations
- 1542Arturo Del Saz Salazar2 patents · 15 citations
- 1638Francisco Sanchis Brines2 patents · 15 citations
- 1733Axel Beyer5 patents · 2 citations
- 1829Charles Moody Wacker, Ii2 patents · 5 citations
- 1925Eric M. Nevel2 patents · 5 citations
- 2021Ryan Burt2 patents · 5 citations
- 2117Juan Antonio Quesada Barbero3 patents · 3 citations
- 2213Nicholas B. Johnson5 patents · 2 citations
- 238Andrew D. Van Hoorn2 patents · 2 citations
- 244Beth E. Cholst2 patents · 2 citations
- 251Daryl S. Richards2 patents · 2 citations
Active· last 5 yrs
Sustained B28D output across the last 5 years
- 199Kenshi Fukumitsu66 patents · 2,941 citations
- 296Fumitsugu Fukuyo59 patents · 2,420 citations
- 392Phillip Sollami37 patents · 1,995 citations
- 488Yoshimaro Fujii18 patents · 300 citations
- 583Christiane Poblenz8 patents · 535 citations
- 679Donald F. Meister15 patents · 263 citations
- 775Ronald B. Crockett15 patents · 277 citations
- 871Kazuma Sekiya33 patents · 330 citations
- 967Jeffrey Stanley11 patents · 103 citations
- 1063Robert Hentz11 patents · 103 citations
- 1158Kunimitsu Takahashi11 patents · 167 citations
- 1254Harshad Golakia5 patents · 122 citations
- 1350Stefan Wagner7 patents · 147 citations
- 1446Paul W. Guth12 patents · 105 citations
- 1542Regan Leland Burton9 patents · 69 citations
- 1638Mark Joseph Pivac10 patents · 51 citations
- 1733Masaaki Miyanaga18 patents · 82 citations
- 1829Stefan Abresch8 patents · 48 citations
- 1925Leon Trudeau5 patents · 140 citations
- 2021Christian Berning11 patents · 77 citations
- 2117Koji Kitagawa11 patents · 58 citations
- 2213Ian Currier4 patents · 61 citations
- 238Simon Bubel4 patents · 61 citations
- 244Reuven Paikin8 patents · 42 citations
- 251Rolf Johansson7 patents · 26 citations
All-time canon
Career PatentIndex Score in B28D
- 199Kenshi Fukumitsu66 patents · 2,941 citations
- 296Fumitsugu Fukuyo59 patents · 2,420 citations
- 392Toshimitsu Wakuda22 patents · 1,660 citations
- 488Kazuhiro Atsumi14 patents · 750 citations
- 583Phillip Sollami37 patents · 1,995 citations
- 679Naum N. Tselesin5 patents · 708 citations
- 775Derek Gochnour19 patents · 372 citations
- 871Michael E. Hess19 patents · 372 citations
- 967Alan R. Chiuminatta26 patents · 997 citations
- 1063Edward Chiuminatta26 patents · 997 citations
- 1158Yoshimaro Fujii18 patents · 300 citations
- 1254Ronald J. Scherer17 patents · 609 citations
- 1350Wy Peron Lee17 patents · 683 citations
- 1446John G. Piper5 patents · 316 citations
- 1542Dae-Ho Choo5 patents · 535 citations
- 1638Karl Kammerer11 patents · 556 citations
- 1733Ryuji Sugiura11 patents · 430 citations
- 1829Christiane Poblenz8 patents · 535 citations
- 1925Alan Y. Arai7 patents · 252 citations
- 2021Fumiyo Yoshino7 patents · 252 citations
- 2117James Bovatsek7 patents · 252 citations
- 2213Kevin R. Wilson8 patents · 344 citations
- 238M. Ballard Gardner5 patents · 188 citations
- 244Donald F. Meister15 patents · 263 citations
- 251David E. Bajune6 patents · 282 citations
Rising· last 2 yrs
The top-scoring B28D patents made public in the last 2 years
- 199US12310464B2✦ AIGemstone and method of cutting the same3 cites · 202467% earned
- 296US12083642B2✦ AIRotary power tool1 cites · 202450% earned
- 392US12502806B2✦ AIMachine for bevel (“miter”) cutting a slab with finished face down and related method1 cites · 202567% earned
- 488US12434407B2Cutting device for manual ceramic cutters1 cites · 202467% earned
- 583US12427592B2Saw blade0 cites · 20240% earned
- 679US12506008B2Package structure0 cites · 20240% earned
- 775US12466019B2Silicon carbide wafer and method of forming the same0 cites · 20250% earned
- 871US12594622B2Laser-assisted method for parting crystalline material0 cites · 20240% earned
- 967US12209460B2Weep-hole drilling0 cites · 20240% earned
- 1063US12501973B2Gemstone and methods of cutting the same0 cites · 20240% earned
- 1158US12508741B2Ingot wafering systems and methods for slicing a silicon ingot0 cites · 20240% earned
- 1254US12103200B1Acoustic cleaving apparatus and methods of acoustic cleaving0 cites · 20240% earned
- 1350US12549074B2High-powered power tool system0 cites · 20240% earned
- 1446US12411600B2Touch panel0 cites · 20240% earned
- 1542US12350863B2Data capture on a serial device0 cites · 20240% earned
- 1638US12178296B2Gemstone and methods of cutting the same0 cites · 20240% earned
- 1733US12454017B2Stabilized cutting tool assemblies0 cites · 20240% earned
- 1829US12558751B2Dust extractor with flat back0 cites · 20240% earned
- 1925US12576554B2Methods and apparatuses for cutting0 cites · 20240% earned
- 2021US12071733B2Milling attachment with adjustable cover0 cites · 20240% earned
- 2117US12479128B2Method for producing semiconductor wafers using a wire saw, wire saw, and semiconductor wa0 cites · 20240% earned
- 2213US12163718B2Devices for planing clear ice products and related methods0 cites · 20240% earned
- 238US12485581B2Tile saw with adjustable fence and methods0 cites · 20240% earned
- 244US12252887B2Method for manufacturing a cuttable cladding panel with a matching pattern0 cites · 20240% earned
- 251US12311578B2Edge-sealed fixture for processing CMC0 cites · 20240% earned
Active· last 5 yrs
The top-scoring B28D patents of the last 5 years
- 199US11219966B1✦ AILaser-assisted method for parting crystalline material19 cites · 202279% earned
- 296US11633023B2✦ AIGemstone and methods of cutting the same14 cites · 202180% earned
- 392US11891813B2✦ AICuttable cladding panel with a matching pattern, use and manufacturing method thereof15 cites · 202183% earned
- 488US11633022B2Gemstone and methods of cutting the same11 cites · 202178% earned
- 583US11819950B2Edge position detecting apparatus11 cites · 202188% earned
- 679US11654596B2Silicon carbide wafers with relaxed positive bow and related methods10 cites · 202173% earned
- 775US11559121B2Gemstone and methods of cutting the same14 cites · 202183% earned
- 871US12151401B2Edge alignment method10 cites · 202187% earned
- 967US11207798B1Multi-set clamping fixture for diamond machining10 cites · 202187% earned
- 1063US11958132B2SiC ingot processing method and laser processing apparatus10 cites · 202187% earned
- 1158US11828110B2Weep-hole drilling2 cites · 202358% earned
- 1254US11373859B2Semiconductor substrate singulation systems and related methods4 cites · 202175% earned
- 1350US10933477B1Wall magnet anchor system4 cites · 202175% earned
- 1446US11180991B2Hammerless cutting bit retention system4 cites · 202182% earned
- 1542US11951653B2Core drill having one touch lock function of core bit4 cites · 202282% earned
- 1638US11305392B1Hole saw dust collection device4 cites · 202282% earned
- 1733US12076879B2Method of processing workpiece2 cites · 202276% earned
- 1829US12068165B2Method for manufacturing semiconductor device and apparatus for manufacturing semiconducto2 cites · 202276% earned
- 1925US11971365B2Wafer processing system and rework method thereof2 cites · 202276% earned
- 2021US11584039B2Cutting machine with environment control arrangement3 cites · 202180% earned
- 2117US12289922B2Processing method2 cites · 202376% earned
- 2213US12202173B2Method of manufacturing monocrystalline silicon substrate2 cites · 202376% earned
- 238US11193247B2Self-propelled construction machine3 cites · 202180% earned
- 244US11135696B1Glass object and method for forming a depression in a glass object for containing cremated3 cites · 202180% earned
- 251US11364639B2Construction robot for ceiling3 cites · 202180% earned
All-time canon
The defining B28D patents of the whole record
- 199US5374564A✦ AIProcess for the production of thin semiconductor material films1,964 cites · 199493% earned
- 296US4604106A✦ AIComposite polycrystalline diamond compact702 cites · 198690% earned
- 392US5135061A✦ AICutting elements for rotary drill bits514 cites · 199295% earned
- 488US6534382B1Process for producing semiconductor article488 cites · 200390% earned
- 583US5733074AManual tool for removing material from brittle and/or non-ductile stock462 cites · 199895% earned
- 679US6992026B2Laser processing method and laser processing apparatus447 cites · 200480% earned
- 775US6100166AProcess for producing semiconductor article423 cites · 200090% earned
- 871US6731047B2Device with ultrasound adapter388 cites · 200395% earned
- 967US5942975AMethod and a device for sensing the distance between a first object and a second object345 cites · 199994% earned
- 1063US4629373APolycrystalline diamond body with enhanced surface irregularities313 cites · 198694% earned
- 1158USRE39484EProcess for the production of thin semiconductor material films305 cites · 200791% earned
- 1254US4525178AComposite polycrystalline diamond301 cites · 198589% earned
- 1350US4605343ASintered polycrystalline diamond compact construction with integral heat sink298 cites · 198694% earned
- 1446US4729440ATransistion layer polycrystalline diamond bearing279 cites · 198889% earned
- 1542US6407360B1Laser cutting apparatus and method275 cites · 200289% earned
- 1638US5190568AAbrasive tool with contoured surface275 cites · 199394% earned
- 1733US8351478B2Growth structures and method for forming laser diodes on {30-31} or off cut gallium and ni243 cites · 201183% earned
- 1829US8355418B2Growth structures and method for forming laser diodes on {20-21} or off cut gallium and ni241 cites · 201183% earned
- 1925US4646710AMulti-wafer slicing with a fixed abrasive240 cites · 198794% earned
- 2021US4128136ADrill bit239 cites · 197894% earned
- 2117US4534773AAbrasive product and method for manufacturing234 cites · 198594% earned
- 2213US6371567B1Bit holders and bit blocks for road milling, mining and trenching equipment227 cites · 200289% earned
- 238US6562698B2Dual laser cutting of wafers224 cites · 200194% earned
- 244US4006936ARotary cutter for a road planer223 cites · 197794% earned
- 251US6685273B1Streamlining bit assemblies for road milling, mining and trenching equipment220 cites · 200485% earned
Rising· last 2 yrs
Assignees whose newest B28D patents became public in the last 2 years — the current frontier
- 199SOLLAMI CO30 patents · 1,793 citations
- 296DISCO CORP299 patents · 1,832 citations
- 392WIRTGEN GMBH39 patents · 474 citations
- 488EHWA DIAMOND IND CO LTD21 patents · 520 citations
- 583BLACK & DECKER INC38 patents · 374 citations
- 679KENNAMETAL INC15 patents · 226 citations
- 775WOLFSPEED INC6 patents · 49 citations
- 871HUSQVARNA AB45 patents · 113 citations
- 967STIHL AG & CO KG ANDREAS13 patents · 74 citations
- 1063SILTRONIC AG23 patents · 62 citations
- 1158ALBERT GAD LTD8 patents · 42 citations
- 1254BOADA GERMANS SA18 patents · 46 citations
- 1350MILWAUKEE ELECTRIC TOOL CORP12 patents · 62 citations
- 1446CORNING INC12 patents · 61 citations
- 1542CATERPILLAR PAVING PRODUCTS INC12 patents · 12 citations
- 1638MAKITA CORP13 patents · 16 citations
- 1733GLOBALWAFERS CO LTD9 patents · 9 citations
- 1829TAIWAN SEMICONDUCTOR MFG CO LTD11 patents · 2 citations
- 1925TECHTRONIC CORDLESS GP5 patents · 6 citations
- 2021CONCORE BV4 patents · 2 citations
- 2117COMPACSTONE USA INC2 patents · 15 citations
- 2213GMM S P A3 patents · 5 citations
- 238REXON IND CORP LTD6 patents · 1 citations
- 244WELDCO FABRICATION AND DESIGN LLC2 patents · 2 citations
- 251POSEIDON IND INC3 patents · 1 citations
Active· last 5 yrs
Sustained B28D output across the last 5 years
- 199HAMAMATSU PHOTONICS KK46 patents · 2,797 citations
- 296SOLLAMI CO30 patents · 1,793 citations
- 392MICRON TECHNOLOGY INC69 patents · 1,627 citations
- 488HILTI AG117 patents · 2,199 citations
- 583SAMSUNG ELECTRONICS CO LTD20 patents · 659 citations
- 679DISCO CORP299 patents · 1,832 citations
- 775TEXAS INSTRUMENTS INC24 patents · 758 citations
- 871GEN ELECTRIC15 patents · 721 citations
- 967WIRTGEN GMBH39 patents · 474 citations
- 1063EHWA DIAMOND IND CO LTD21 patents · 520 citations
- 1158SHINETSU HANDOTAI KK46 patents · 761 citations
- 1254CANON KK6 patents · 979 citations
- 1350BLACK & DECKER INC38 patents · 374 citations
- 1446BOSCH GMBH ROBERT14 patents · 356 citations
- 1542KENNAMETAL INC15 patents · 226 citations
- 1638MITSUBISHI ELECTRIC CORP11 patents · 246 citations
- 1733SCHLUMBERGER TECHNOLOGY CORP9 patents · 154 citations
- 1829PREC CONCRETE CUTTING INC5 patents · 139 citations
- 1925SUMITOMO ELECTRIC INDUSTRIES15 patents · 158 citations
- 2021NGK INSULATORS LTD12 patents · 223 citations
- 2117DENSO CORP11 patents · 88 citations
- 2213WOLFSPEED INC6 patents · 49 citations
- 238FASTBRICK IP PTY LTD10 patents · 51 citations
- 244HUSQVARNA AB45 patents · 113 citations
- 251MASSACHUSETTS INST TECHNOLOGY4 patents · 277 citations
All-time canon
All-time PatentIndex Score in B28D
- 199HAMAMATSU PHOTONICS KK46 patents · 2,797 citations
- 296SOLLAMI CO30 patents · 1,793 citations
- 392MICRON TECHNOLOGY INC69 patents · 1,627 citations
- 488HILTI AG117 patents · 2,199 citations
- 583NORTON CO17 patents · 1,042 citations
- 679LEMELSON JEROME H7 patents · 716 citations
- 775SAMSUNG ELECTRONICS CO LTD20 patents · 659 citations
- 871DISCO CORP299 patents · 1,832 citations
- 967ANCHOR WALL SYST15 patents · 664 citations
- 1063IBM22 patents · 713 citations
- 1158FUKUYO FUMITSUGU18 patents · 348 citations
- 1254KULICKE & SOFFA INVESTMENTS8 patents · 575 citations
- 1350TEXAS INSTRUMENTS INC24 patents · 758 citations
- 1446GEN ELECTRIC15 patents · 721 citations
- 1542WIRTGEN GMBH39 patents · 474 citations
- 1638SILICON GENESIS CORP7 patents · 409 citations
- 1733HALL DAVID R22 patents · 464 citations
- 1829COMMISSARIAT ENERGIE ATOMIQUE10 patents · 2,328 citations
- 1925CHIUMINATTA EDWARD8 patents · 372 citations
- 2021WACKER SILTRONIC HALBLEITERMAT13 patents · 488 citations
- 2117EHWA DIAMOND IND CO LTD21 patents · 520 citations
- 2213DIAMANT BOART INC11 patents · 387 citations
- 238SHINETSU HANDOTAI KK46 patents · 761 citations
- 244CANON KK6 patents · 979 citations
- 251FUJII YOSHIMARO6 patents · 104 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth