Inventor · disambiguated record
Yoshihisa Tomotaki
Also filed as: TOMOTAKI YOSHIHISA
6 granted patents·40 citations·filing 1987–1999
78Inventor score
Top patents by PatentIndex Score
6 records- 0182US6380288B1Rubber composition and pneumatic tiresBRIDGESTONE CORP·Filed 1998·Granted Apr 30, 2002·30 cites·11 claims
- 0247US4886891AProcess for preparing 1,1-disubstituted ethylene derivative by reaction of lead with a carbinol derivativeOTSUKA KAGAKU KK·Filed 1987·Granted Dec 12, 1989·3 cites·8 claims
- 0344US5981764AProcess for producing 1-aminopyrrolidine, and 1-aminopyrrolidine according to the processOTSUKA CHEMICAL CO LTD·Filed 1998·Granted Nov 9, 1999·3 cites·3 claims
- 0429US6433042B1Curing agents for epoxy resinsOTSUKA KAGAKU KK·Filed 1999·Granted Aug 13, 2002·2 cites·4 claims
- 0527US6359036B11-Aminopyrrolidine or its salt as epoxy resin hardenerOTSUKA KAGAKU KK·Filed 1999·Granted Mar 19, 2002·1 cites·5 claims
- 0626US6372825B1Aqueous solution of water-soluble epoxy resin, solid obtained therefrom, and processes for producing theseOTSUKA KAGAKU KK·Filed 1999·Granted Apr 16, 2002·1 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →