Inventor · disambiguated record
Akihiko Ikegaya
Also filed as: IKEGAYA AKIHIKO
49 granted patents·4 pending applications·1,799 citations·filing 1986–2015
99Inventor score
Top patents by PatentIndex Score
53 records- 0199US5314570AProcess and apparatus for the production of diamondSUMITOMO ELECTRIC INDUSTRIES·Filed 1991·Granted May 24, 1994·494 cites·14 claims
- 0297US7090914B2Coated cutting toolSUMITOMO ELECTRIC INDUSTRIES·Filed 2005·Granted Aug 15, 2006·52 cites·20 claims
- 0394US4900628AGaseous phase synthesized diamond and method for synthesizing sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1987·Granted Feb 13, 1990·58 cites·3 claims
- 0493US5776588ACoated hard alloy toolSUMITOMO ELECTRIC INDUSTRIES·Filed 1996·Granted Jul 7, 1998·69 cites·6 claims
- 0592US6162412AChemical vapor deposition method of high quality diamondSUMITOMO ELECTRIC INDUSTRIES·Filed 1993·Granted Dec 19, 2000·90 cites·10 claims
- 0691US6756111B1Coated hard alloySUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Jun 29, 2004·48 cites·11 claims
- 0791US5597272ACoated hard alloy toolSUMITOMO ELECTRIC INDUSTRIES·Filed 1995·Granted Jan 28, 1997·71 cites·7 claims
- 0887US5871850ACoated hard metal materialSUMITOMO ELECTRIC INDUSTRIES·Filed 1995·Granted Feb 16, 1999·67 cites·27 claims
- 0986US10465266B2Heat-resistant tungsten alloy, friction stir welding tool, and production methodALMT CORP·Filed 2015·Granted Nov 5, 2019·3 cites·8 claims
- 1086US6299658B1Cemented carbide, manufacturing method thereof and cemented carbide toolSUMITOMO ELECTRIC INDUSTRIES·Filed 1997·Granted Oct 9, 2001·55 cites·18 claims
- 1186US6183846B1Coated hard metal materialSUMITOMO ELECTRIC INDUSTRIES·Filed 1998·Granted Feb 6, 2001·63 cites·23 claims
- 1285US5435815ACutting tool employing vapor-deposited polycrystalline diamond for cutting edge and method of manufacturing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1993·Granted Jul 25, 1995·56 cites·24 claims
- 1385US4859490AMethod for synthesizing diamondSUMITOMO ELECTRIC INDUSTRIES·Filed 1987·Granted Aug 22, 1989·34 cites·6 claims
- 1484US6881475B2Amorphous carbon coated tool and fabrication method thereofNISSIN ELECTRIC CO LTD·Filed 2002·Granted Apr 19, 2005·31 cites·23 claims
- 1584US6187421B1Coated tool of cemented carbideSUMITOMO ELECTRIC INDUSTRIES·Filed 1998·Granted Feb 13, 2001·62 cites·34 claims
- 1682US8801816B2Cemented carbide and cutting tool using sameOKUNO TAKUYA·Filed 2010·Granted Aug 12, 2014·4 cites·10 claims
- 1782US6293739B1Coated cemented carbide cutting toolSUMITOMO ELECTRIC INDUSTRIES·Filed 1999·Granted Sep 25, 2001·57 cites·21 claims
- 1882US5947651AIndexable insertSUMITOMO ELECTRIC INDUSTRIES·Filed 1998·Granted Sep 7, 1999·49 cites·2 claims
- 1982US5587013AMethods of synthesizing and polishing a flat diamond film and free-standing diamond filmSUMITOMO ELECTRIC INDUSTRIES·Filed 1995·Granted Dec 24, 1996·58 cites·32 claims
- 2081US6051063ADiamond wafer and method of producing a diamond waferSUMITOMO ELECTRIC INDUSTRIES·Filed 1997·Granted Apr 18, 2000·51 cites·10 claims
- 2180US9884367B2Mo—Si—B-based alloy powder, metal-material raw material powder, and method of manufacturing a Mo—Si—B-based alloy powderALMT CORP·Filed 2012·Granted Feb 6, 2018·2 cites·10 claims
- 2274US10174410B2Heat-resistant molybdenum alloyALMT CORP·Filed 2013·Granted Jan 8, 2019·4 cites·14 claims
- 2373US6592726B1Vacuum arc evaporation method, vacuum arc evaporation system, and rotary cutting toolSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Jul 15, 2003·11 cites·10 claims
- 2469US5776246ADiamond wafer and method of producing a diamond waferSUMITOMO ELECTRIC INDUSTRIES·Filed 1995·Granted Jul 7, 1998·32 cites·25 claims
- 2569US4675206AProcess for the production of a surface-coated articleSUMITOMO ELECTRIC INDUSTRIES·Filed 1986·Granted Jun 23, 1987·25 cites·5 claims
- 2668US5539176AMethod and apparatus of synthesizing diamond in vapor phaseSUMITOMO ELECTRIC INDUSTRIES·Filed 1993·Granted Jul 23, 1996·32 cites·16 claims
- 2767US6082936ACoated hard metal toolSUMITOMO ELECTRIC INDUSTRIES·Filed 1997·Granted Jul 4, 2000·28 cites·17 claims
- 2867US5964942AWafer and method of producing sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1995·Granted Oct 12, 1999·34 cites·57 claims
- 2963US9249479B2Method for producing sodium tungstate, method for collecting tungsten, apparatus for producing sodium tungstate, and method for producing sodium tungstate aqueous solutionALMT CORP·Filed 2013·Granted Feb 2, 2016·0 cites·6 claims
- 3062US10100390B2Heat-resistant molybdenum alloyALMT CORP·Filed 2014·Granted Oct 16, 2018·0 cites·6 claims
- 3162US9512504B2Method for producing sodium tungstate, method for collecting tungsten, apparatus for producing sodium tungstate, and method for producing sodium tungstate aqueous solutionALMT CORP·Filed 2013·Granted Dec 6, 2016·0 cites·1 claims
- 3261US10011890B2Sodium tungstate production methodALMT CORP·Filed 2014·Granted Jul 3, 2018·0 cites·19 claims
- 3361US5516027ABonding tool having a diamond head and method of manufacturing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted May 14, 1996·24 cites·23 claims
- 3460US5481081AMethod and apparatus of synthesizing diamond in vapor phaaseSUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted Jan 2, 1996·17 cites·11 claims
- 3560US5197651ABonding toolSUMITOMO ELECTRIC INDUSTRIES·Filed 1990·Granted Mar 30, 1993·30 cites·19 claims
- 3659US6057046ANitrogen-containing sintered alloy containing a hard phaseSUMITOMO ELECTRIC INDUSTRIES·Filed 1996·Granted May 2, 2000·15 cites·24 claims
- 3758US8993095B2Composite material and coated cutting toolISHIDA TOMOYUKI·Filed 2008·Granted Mar 31, 2015·3 cites·21 claims
- 3852US5567522ADiamond cutting tool and method of manufacturing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted Oct 22, 1996·13 cites·9 claims
- 3951US9970082B2Heat-resistant alloy and method of manufacturing the sameALMT CORP·Filed 2012·Granted May 15, 2018·0 cites·22 claims
- 4051US8632747B2Method for producing sodium tungstate, method for collecting tungsten, apparatus for producing sodium tungstate, and method for producing sodium tungstate aqueous solutionYAMAMOTO YOSHIHARU·Filed 2010·Granted Jan 21, 2014·0 cites·8 claims
- 4151US6089750ANoncontact temperature distribution measuring apparatusSUMITOMO ELECTRIC INDUSTRIES·Filed 1998·Granted Jul 18, 2000·11 cites·9 claims
- 4249US5370299ABonding tool having diamond head and method of manufacturing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1993·Granted Dec 6, 1994·14 cites·10 claims
- 4348US8920079B2Joined productOZAKI KIMIHIRO·Filed 2009·Granted Dec 30, 2014·0 cites·10 claims
- 4448US5112643AGaseous phase synthesized diamond and method for synthesizing sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1991·Granted May 12, 1992·10 cites·6 claims
- 4542US5277942AInsulating member and electric parts using the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1991·Granted Jan 11, 1994·9 cites·11 claims
- 4639US2002187370A1Coated cutting toolFiled 2001·Application pending·0 cites
- 4739US2005016633A1Method of manufacturing soft magnetic articlesSUMITOMO ELECTRIC INDUSTRIES·Filed 2004·Application pending·0 cites
- 4837US5571236ADiamond wire drawing dieSUMITOMO ELECTRIC INDUSTRIES·Filed 1993·Granted Nov 5, 1996·6 cites·5 claims
- 4935US8974674B2Method for producing ammonium tungstate aqueous solutionITO HIDEAKI·Filed 2010·Granted Mar 10, 2015·0 cites·14 claims
- 5035US2017107595A1Solution for use in extraction of cobalt, cobalt solution, and method for collecting cobaltALMT CORP·Filed 2015·Application pending·0 cites
Showing the top 50 of 53 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →