Inventor · disambiguated record
Shoji Oka
Also filed as: MURAKAMI RYOICHI · OKA SHOJI
12 granted patents·2 pending applications·112 citations·filing 1974–2024
91Inventor score
Top patents by PatentIndex Score
14 records- 0168US6270418B1Elastic shaft jointNSK LTD·Filed 1999·Granted Aug 7, 2001·24 cites·4 claims
- 0261US2025104912A1Capacitor, capacitor bank, and outer case for capacitorMURATA MANUFACTURING CO·Filed 2024·Application pending·0 cites
- 0360US6530599B1Shock absorbing type steering shaftNSK LTD·Filed 1999·Granted Mar 11, 2003·19 cites·11 claims
- 0460US2025014823A1Film capacitorMURATA MANUFACTURING CO·Filed 2024·Application pending·0 cites
- 0556US6565446B2Elastic shaft jointNSK LTD·Filed 2001·Granted May 20, 2003·9 cites·40 claims
- 0653US4180417APhosphating of metallic substrateNIPPON PAINT CO LTD·Filed 1978·Granted Dec 25, 1979·9 cites·13 claims
- 0752US4053328AZinc phosphate coating processNIPPON PAINT CO LTD·Filed 1975·Granted Oct 11, 1977·12 cites·14 claims
- 0842US6123481AElastic shaft jointNSK LTD·Filed 1998·Granted Sep 26, 2000·11 cites·20 claims
- 0941US3996072APhosphate coating process and control of the phosphate coating solutionNIPPON PAINT CO LTD·Filed 1975·Granted Dec 7, 1976·6 cites·16 claims
- 1039US6151982ASteering apparatus for a carNSK LTD·Filed 1999·Granted Nov 28, 2000·7 cites·16 claims
- 1138US6105456ASteering intermediate shaftNSK LTD·Filed 1998·Granted Aug 22, 2000·9 cites·16 claims
- 1236US4113519APhosphating of metallic substrate with electrolytic reduction of nitrate ionsNIPPON PAINT CO LTD·Filed 1977·Granted Sep 12, 1978·5 cites·17 claims
- 1332US8531850B2Capacitor circuit and power conversion circuit including a resonant frequency adjustment elementOKA SHOJI·Filed 2010·Granted Sep 10, 2013·0 cites·8 claims
- 1428US3930869APhotographic silver halide photosensitive materialsMITSUBISHI PAPER MILLS LTD·Filed 1974·Granted Jan 6, 1976·1 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →