Inventor · disambiguated record
Takehisa Yamamoto
Also filed as: YAMAMOTO TAKEHISA
13 granted patents·3 pending applications·246 citations·filing 1991–2017
92Inventor score
Top patents by PatentIndex Score
16 records- 0193US5599493AMethod of producing silicon nitride ceramic componentSUMITOMO ELECTRIC INDUSTRIES·Filed 1995·Granted Feb 4, 1997·94 cites·16 claims
- 0279US5369065ASilicon nitride sintered body and process for producing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1993·Granted Nov 29, 1994·32 cites·3 claims
- 0370US5502011ASilicon nitride sintered bodySUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted Mar 26, 1996·21 cites·2 claims
- 0468US5173458ASilicon nitride sintered body and process for producing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1991·Granted Dec 22, 1992·22 cites·6 claims
- 0564US5564966AGrind-machining method of ceramic materialsSUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted Oct 15, 1996·18 cites·4 claims
- 0663US5424256ASilicon nitride sintered bodySUMITOMO ELECTRIC INDUSTRIES·Filed 1993·Granted Jun 13, 1995·17 cites·4 claims
- 0756US5275772ASilicon nitride sintered body and process for producing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1992·Granted Jan 4, 1994·11 cites·1 claims
- 0854US5204297ASilicon nitride sintered body and process for producing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1992·Granted Apr 20, 1993·10 cites·5 claims
- 0947US5582215ACeramic die for cutting and shaping lead frames and method of cleaning the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1995·Granted Dec 10, 1996·13 cites·17 claims
- 1042US11147156B2Composite member, heat radiation member, semiconductor device, and method of manufacturing composite memberSUMITOMO ELECTRIC INDUSTRIES·Filed 2017·Granted Oct 12, 2021·0 cites·10 claims
- 1142US2014124700A1ALN Substrate And Method For Producing SameYAMAMOTO TAKEHISA·Filed 2014·Application pending·0 cites
- 1238US5275986ASilicon nitride sintered bodySUMITOMO ELECTRIC INDUSTRIES·Filed 1992·Granted Jan 4, 1994·4 cites·2 claims
- 1336US2017152425A1AlN SINTERED COMPACT, AlN SUBSTRATE AND METHOD OF PRODUCING AlN SUBSTRATESUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Application pending·0 cites
- 1435US2006000432A1Wear-resistant slide member and slide device using the sameYAMAMOTO TAKEHISA·Filed 2004·Application pending·0 cites
- 1532US5346869ASintered silicon nitride bodies suitable for use as high impact materialsSUMITOMO ELECTRIC INDUSTRIES·Filed 1993·Granted Sep 13, 1994·3 cites·1 claims
- 1631US5358797AAdjusting shimSUMITOMO ELECTRIC INDUSTRIES·Filed 1992·Granted Oct 25, 1994·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →