Inventor · disambiguated record
Toshikatsu Hayashi
Also filed as: HAYASHI TOSHIKATSU
13 granted patents·4 pending applications·120 citations·filing 1996–2013
91Inventor score
Top patents by PatentIndex Score
17 records- 0175US7759015B2Separator for fuel cell with austenitic stainless steel substrateRIKEN KK·Filed 2005·Granted Jul 20, 2010·2 cites·3 claims
- 0274US6784419B1Electromagnetic wave absorberRIKEN KK·Filed 2000·Granted Aug 31, 2004·25 cites·7 claims
- 0369US9709169B2Piston ringKK RIKEN·Filed 2012·Granted Jul 18, 2017·1 cites·21 claims
- 0469US9285032B2Piston ringRIKEN KK·Filed 2013·Granted Mar 15, 2016·2 cites·8 claims
- 0567US6373425B1Composite electromagnetic wave absorber and method of fitting the sameRIKEN KK·Filed 1999·Granted Apr 16, 2002·36 cites·9 claims
- 0665US6771204B2Radio wave absorberRIKEN KK·Filed 2003·Granted Aug 3, 2004·16 cites·10 claims
- 0763US9885417B2Piston ringSUGIMOTO Kouhei·Filed 2012·Granted Feb 6, 2018·1 cites·4 claims
- 0854US2004133461A1Commodity developing method, commodity developing system, commodity development program, and record medium on which commodity development program is recordedFiled 2002·Application pending·0 cites
- 0952US2003126009A1Commodity concept developing methodFiled 2001·Application pending·0 cites
- 1050US6197318B1Composition for external useSHISEIDO CO LTD·Filed 1998·Granted Mar 6, 2001·14 cites·27 claims
- 1147US2010140880A1Piston ringHAYASHI TOSHIKATSU·Filed 2007·Application pending·0 cites
- 1244US2005217181A1Method and system for supplying hydrogen to fuel cellRIKEN KK·Filed 2005·Application pending·0 cites
- 1341US5892188APorous ferrite wave absorberRIKEN KK·Filed 1996·Granted Apr 6, 1999·11 cites·4 claims
- 1436US6146647AMulti-layer lightweight texture compositionSHISEIDO CO LTD·Filed 1998·Granted Nov 14, 2000·6 cites·4 claims
- 1536US5985875A1,2,4-triazine-3, 5-dione derivatives, their production and use thereofTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1997·Granted Nov 16, 1999·1 cites·18 claims
- 1634US6294536B1Triazine derivatives, their production and useTAKEDA SCHERING PLOUGH ANIMAL·Filed 1998·Granted Sep 25, 2001·1 cites·16 claims
- 1733US6582687B1Weak acid skin cleanserSHISEIDO CO LTD·Filed 1999·Granted Jun 24, 2003·4 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →