Inventor · disambiguated record
Nobumasa Ohtake
Also filed as: KOGA ISAO · OHTAKE NOBUMASA
13 granted patents·262 citations·filing 1978–2008
93Inventor score
Top patents by PatentIndex Score
13 records- 0194US4839443APolysiloxane containing hydroxyl groups and a silicone-modified polyurethane using the sameCHISSO CORP·Filed 1988·Granted Jun 13, 1989·75 cites·2 claims
- 0290US4658049ACarboxyl group-containing siloxane compoundCHISSO CORP·Filed 1985·Granted Apr 14, 1987·37 cites·5 claims
- 0380US7994769B2Switching regulator and control circuit thereofROHM CO LTD·Filed 2008·Granted Aug 9, 2011·17 cites·16 claims
- 0479US4822850AModified polyorganosiloxane containing isocyanate group and process for preparing the sameCHISSO CORP·Filed 1987·Granted Apr 18, 1989·29 cites·18 claims
- 0574US4987203APolyorganosiloxane compounds with epoxy groupCHISSO CORP·Filed 1989·Granted Jan 22, 1991·21 cites·12 claims
- 0673US5047491APolyorganosiloxane compoundsCHISSO CORP·Filed 1989·Granted Sep 10, 1991·21 cites·24 claims
- 0772US5096990AResin composition for inner coat of semiconductor chipTOMOEGAWA PAPER CO LTD·Filed 1989·Granted Mar 17, 1992·22 cites·8 claims
- 0866US4269993ADiaralkyldichlorosilanesCHISSO CORP·Filed 1979·Granted May 26, 1981·6 cites·13 claims
- 0961US4992521AOrganosiloxane and process for preparing the sameCHISSO CORP·Filed 1989·Granted Feb 12, 1991·12 cites·15 claims
- 1054US4996280APolyorganosiloxane compounds with amino groupCHISSO CORP·Filed 1989·Granted Feb 26, 1991·9 cites·10 claims
- 1150US5140087AOrganosiloxane and process for preparing the sameCHISSO CORP·Filed 1990·Granted Aug 18, 1992·8 cites·37 claims
- 1242US5098981APolyorganosiloxaneCHISSO CORP·Filed 1991·Granted Mar 24, 1992·5 cites·3 claims
- 1330US4211704AMethod for producing 2,3,3-trimethylindolenineCHISSO CORP·Filed 1978·Granted Jul 8, 1980·0 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Nobumasa Ohtake files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →