Inventor · disambiguated record
Masafumi Okamoto
Also filed as: OKAMOTO MASAFUMI · SHIMAZU TAKAHIDE
13 granted patents·6 pending applications·397 citations·filing 1976–2021
92Inventor score
Files withSUMITOMO SEIKA CHEMICALS5MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3NIPPON STEEL CORP3OKAMOTO MASAFUMI2DELTA KOGYO CO1
Top patents by PatentIndex Score
19 records- 0196US6310756B1CapacitorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Oct 30, 2001·213 cites·44 claims
- 0291US8353558B2Lifter device for vehicle seatDELTA KOGYO CO·Filed 2010·Granted Jan 15, 2013·22 cites·4 claims
- 0386US4709303AElectric double layer capacitorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1985·Granted Nov 24, 1987·61 cites·5 claims
- 0482US4204891AMethod for preventing the edge crack in a grain oriented silicon steel sheet produced from a continuously cast steel slabNIPPON STEEL CORP·Filed 1978·Granted May 27, 1980·21 cites·3 claims
- 0581US8779087B2Method for producing aliphatic polycarbonateFUJIMOTO NOBUTAKA·Filed 2010·Granted Jul 15, 2014·3 cites·7 claims
- 0673US2023257561A1Resin dispersion compositionSUMITOMO SEIKA CHEMICALS·Filed 2021·Application pending·0 cites
- 0770US4331196AProcess for producing non-directional electrical steel sheets free from ridgingNIPPON STEEL CORP·Filed 1977·Granted May 25, 1982·16 cites·6 claims
- 0869US8708411B2Vehicle seatNAKAMURA KENJI·Filed 2010·Granted Apr 29, 2014·6 cites·11 claims
- 0968US6270633B1Artificial latticed multi-layer film deposition apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Aug 7, 2001·33 cites·11 claims
- 1063US8651575B2Seat back structure with lumbar support for vehicleOKAMOTO MASAFUMI·Filed 2012·Granted Feb 18, 2014·5 cites·10 claims
- 1162US8444220B2Vehicle seatOKAMOTO MASAFUMI·Filed 2010·Granted May 21, 2013·5 cites·4 claims
- 1251US11242476B2Epoxy resin adhesive agentSUMITOMO SEIKA CHEMICALS·Filed 2014·Granted Feb 8, 2022·0 cites·20 claims
- 1349US2009240025A1Organic Zinc Catalyst, and Process for Production of Poly(Alkylene Carbonate) Using the SameSUMITOMO SEIKA CHEMICALS·Filed 2007·Application pending·0 cites
- 1442US2006293503A1Polyaminopyridines and method for producing sameTOKYO INST TECH·Filed 2004·Application pending·0 cites
- 1542US2020270380A1Aqueous ethylene resin dispersion and aqueous heat sealing materialSUMITOMO SEIKA CHEMICALS·Filed 2018·Application pending·0 cites
- 1642US2007072120A1Method for producing resin for chemically amplified positive resistSUMITOMO SEIKA CHEMICALS·Filed 2006·Application pending·0 cites
- 1739US5107416AArrangement for simultaneously dealing with transfer requests produced by central, arithmetic and input-output processors of a super computerNEC CORP·Filed 1988·Granted Apr 21, 1992·10 cites·5 claims
- 1837US2013276694A1Quartz crucible for growing silicon single crystal, method of manufacturing quartz crucible for growing silicon single crystal and method of manufacturing silicon single crystalPANASONIC CORP·Filed 2013·Application pending·0 cites
- 1928US4088513AMethod for heating a silicon-containing steel slab in a walking-beam type heating furnaceNIPPON STEEL CORP·Filed 1976·Granted May 9, 1978·2 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →