Inventor · disambiguated record
Hiroshi Ishizuka
Also filed as: ISHIZUKA HIROSHI
66 granted patents·7 pending applications·1,246 citations·filing 1976–2019
99Inventor score
Files withISHIZUKA HIROSHI34FUJI PHOTO FILM CO LTD10ISHIZUKA RESEARCH INST LTD5KDDI CORP3NITSUKO LTD2
Top patents by PatentIndex Score
73 records- 0194US6001139ANonaqueous secondary battery having multiple-layered negative electrodeFUJI PHOTO FILM CO LTD·Filed 1996·Granted Dec 14, 1999·121 cites·17 claims
- 0293US6365299B1Nonaqueous secondary batteryFUJI PHOTO FILM CO LTD·Filed 1996·Granted Apr 2, 2002·114 cites·11 claims
- 0392US5759714ANon-aqueous-electrolyte secondary batteryFUJI PHOTO FILM CO LTD·Filed 1997·Granted Jun 2, 1998·113 cites·8 claims
- 0491US7024149B2Surface treatment apparatus and image-forming apparatusFUJI PHOTO FILM CO LTD·Filed 2003·Granted Apr 4, 2006·33 cites·30 claims
- 0591US4131103AApparatus for sawing stoneISHIZUKA HIROSHI·Filed 1977·Granted Dec 26, 1978·37 cites·3 claims
- 0690US4334975AApparatus for electrolytic production of magnesium metal from its chlorideISHIZUKA HIROSHI·Filed 1980·Granted Jun 15, 1982·29 cites·16 claims
- 0789US4440573AMethod for producing diamond compactISHIZUKA HIROSHI·Filed 1982·Granted Apr 3, 1984·48 cites·2 claims
- 0886US8426749B2Electromagnetic shielding film and optical filterSANETO RYUJI·Filed 2008·Granted Apr 23, 2013·10 cites·12 claims
- 0986US5976731ANon-aqueous lithium ion secondary batteryFUJI PHOTO FILM CO LTD·Filed 1997·Granted Nov 2, 1999·55 cites·14 claims
- 1086US4411672AMethod for producing composite of diamond and cemented tungsten carbideISHIZUKA HIROSHI·Filed 1981·Granted Oct 25, 1983·42 cites·10 claims
- 1185US7105251B2Nonaqueous secondary batteryUBE INDUSTRIES·Filed 2002·Granted Sep 12, 2006·22 cites·19 claims
- 1284US4322107AStructure for mounting cover of controller in battery fork liftNISSAN MOTOR·Filed 1980·Granted Mar 30, 1982·48 cites·8 claims
- 1383US4401543AElectrolytic cell for magnesium chlorideISHIZUKA HIROSHI·Filed 1981·Granted Aug 30, 1983·22 cites·20 claims
- 1480US4481085AApparatus and method for electrolysis of MgCl2ISHIZUKA HIROSHI·Filed 1983·Granted Nov 6, 1984·19 cites·20 claims
- 1579US6098609ASuperabrasive electrodeposited cutting edge and method of manufacturing the sameFiled 1996·Granted Aug 8, 2000·45 cites·27 claims
- 1679US4715317AMethod for producing of polycrystalline silicon and apparatus thereofISHIZUKA HIROSHI·Filed 1985·Granted Dec 29, 1987·27 cites·1 claims
- 1779US4441925AMethod and an apparatus for producing titanium metal from titanium tetrachlorideISHIZUKA HIROSHI·Filed 1982·Granted Apr 10, 1984·29 cites·6 claims
- 1878US5296111AMethod of treating photographic processing wastesFUJI PHOTO FILM CO LTD·Filed 1991·Granted Mar 22, 1994·17 cites·14 claims
- 1977USD314374SKey telephone setNITSUKO LTD·Filed 1986·Granted Feb 5, 1991·18 cites·1 claims
- 2076US4749409AMethod of purifying refractory metalISHIZUKA HIROSHI·Filed 1987·Granted Jun 7, 1988·24 cites·6 claims
- 2175US6565618B1Diamond abrasive particles and method for preparing the sameFiled 1999·Granted May 20, 2003·25 cites·24 claims
- 2274US6019802ANonaqueous secondary battery and process for producing the same using a dispersion aidFUJI PHOTO FILM CO LTD·Filed 1995·Granted Feb 1, 2000·51 cites·7 claims
- 2373US7316474B2Surface treatment apparatus and image recording apparatusFUJI PHOTO FILM CO LTD·Filed 2003·Granted Jan 8, 2008·14 cites·7 claims
- 2473US7233765B2Image forming apparatus, image forming system, and electrophotographic printFUJIFILM CORP·Filed 2004·Granted Jun 19, 2007·13 cites·28 claims
- 2571US4637370ARotary saw bladeISHIZUKA HIROSHI·Filed 1985·Granted Jan 20, 1987·24 cites·9 claims
- 2670US4565354AApparatus for producing purified refractory metal from a chloride thereofISHIZUKA HIROSHI·Filed 1983·Granted Jan 21, 1986·14 cites·13 claims
- 2768US4596693AMethod of producing a composite compact of cBN and WC-CoISHIZUKA RESEARCH INST LTD·Filed 1985·Granted Jun 24, 1986·25 cites·3 claims
- 2867US4158695AElectrothermal fluidized bed furnaceISHIZUKA HIROSHI·Filed 1977·Granted Jun 19, 1979·13 cites·13 claims
- 2965US8506919B2Fine powder of single crystalline diamond particles and a method for the production thereofSAITO NOBUYUKI·Filed 2006·Granted Aug 13, 2013·2 cites·4 claims
- 3065US4699704AElectrolytic cell for a molten saltISHIZUKA HIROSHI·Filed 1986·Granted Oct 13, 1987·14 cites·9 claims
- 3164US9663851B2Substrate for CVD deposition of diamond and method for the preparation thereofLEVASHOV EVGENY A·Filed 2010·Granted May 30, 2017·2 cites·10 claims
- 3264US4278448ADiamond abrasive gritsISHIZUKA HIROSHI·Filed 1979·Granted Jul 14, 1981·16 cites·13 claims
- 3363US4242136AProcess for producing metallic zirconiumISHIZUKA HIROSHI·Filed 1979·Granted Dec 30, 1980·10 cites·1 claims
- 3460US7058347B2Surface treatment apparatus and image-forming apparatusFUJI PHOTO FILM CO LTD·Filed 2003·Granted Jun 6, 2006·7 cites·21 claims
- 3555US4518334AHigh temperature high pressure apparatusISHIZUKA HIROSHI·Filed 1984·Granted May 21, 1985·11 cites·6 claims
- 3654US9000309B2Electromagnetic shielding filmSANETO RYUJI·Filed 2012·Granted Apr 7, 2015·0 cites·17 claims
- 3754US4147255AProcess for synthesizing diamondsISHIZUKA HIROSHI·Filed 1977·Granted Apr 3, 1979·10 cites·3 claims
- 3854US2001039518A1Commodity retrieval methodFiled 2001·Application pending·0 cites
- 3953US2019309432A1Tool for plating resin molded body and method for plating resin molded body using the sameJCU INT INC·Filed 2018·Application pending·0 cites
- 4052US4403769AVacuum separatorISHIZUKA HIROSHI·Filed 1982·Granted Sep 13, 1983·7 cites·9 claims
- 4151US4385881AUltrahigh pressure apparatusISHIZUKA HIROSHI·Filed 1981·Granted May 31, 1983·7 cites·6 claims
- 4251US2020087791A1Multi-stage resin surface etching method, and plating method on resin using sameJCU CORP·Filed 2018·Application pending·0 cites
- 4349US4595573AChlorinator furnace and method for producing tetrachloride of such metals as titanium and zirconiumISHIZUKA HIROSHI·Filed 1985·Granted Jun 17, 1986·7 cites·2 claims
- 4449US4584018AMethod for production of refractory metal from a chloride thereofISHIZUKA HIROSHI·Filed 1985·Granted Apr 22, 1986·6 cites·3 claims
- 4549US4097208AUltrahigh pressure apparatus for diamond synthesisISHIZUKA HIROSHI·Filed 1977·Granted Jun 27, 1978·9 cites·3 claims
- 4647US4844988ADiamond composite and method for producing the sameISHIZUKA RESEARCH INST LTD·Filed 1987·Granted Jul 4, 1989·10 cites·5 claims
- 4747US2008087549A1Additive For Copper Plating And Process For Producing Electronic Circiut Substrate TherewithEBARA UDYLITE KK·Filed 2004·Application pending·0 cites
- 4846US4647355AApparatus for molten salt electrolysisISHIZUKA HIROSHI·Filed 1985·Granted Mar 3, 1987·5 cites·5 claims
- 4946US4119500AProcess for eliminating magnetism of synthetic diamond grainsISHIZUKA HIROSHI·Filed 1977·Granted Oct 10, 1978·10 cites·4 claims
- 5045US8488202B2Computer readable medium including digital image print support program, digital image print support apparatus, and digital image print systemISHIZUKA HIROSHI·Filed 2005·Granted Jul 16, 2013·0 cites·20 claims
Showing the top 50 of 73 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →