Inventor · disambiguated record
Ryoichi Murakami
Also filed as: ANEGAWA YUKIO · MURAKAMI RYOICHI · OKA SHOJI
14 granted patents·1 pending application·166 citations·filing 1975–2002
93Inventor score
Top patents by PatentIndex Score
15 records- 0170US4292096APhosphating process of metal surfaceNIPPON PAINT CO LTD·Filed 1980·Granted Sep 29, 1981·21 cites·3 claims
- 0270US4130446AProcess for phosphate conversion coating with treatment of rinse water by reverse osmosis and ion exchangeNIPPON PAINT CO LTD·Filed 1977·Granted Dec 19, 1978·23 cites·4 claims
- 0369US4311535AComposition for forming zinc phosphate coating over metal surfaceYASUHARA KIYOTADA·Filed 1980·Granted Jan 19, 1982·16 cites·24 claims
- 0466US5770642ACathodic electrodeposition paintNIPPON PAINT CO LTD·Filed 1997·Granted Jun 23, 1998·26 cites·17 claims
- 0561US4673444AProcess for phosphating metal surfacesSAITO KOICHI·Filed 1985·Granted Jun 16, 1987·20 cites·19 claims
- 0656US4338141AFormation of zinc phosphate coating on metallic surfaceSENZAKI TAKASHI·Filed 1980·Granted Jul 6, 1982·15 cites·37 claims
- 0753US4180417APhosphating of metallic substrateNIPPON PAINT CO LTD·Filed 1978·Granted Dec 25, 1979·9 cites·13 claims
- 0847US4287004ADip phosphating processNIPPON PAINT CO LTD·Filed 1979·Granted Sep 1, 1981·10 cites·6 claims
- 0942US4181539AProcess of phosphating an iron substrate in a closed system using aromatic nitro compound acceleratorsNIPPON PAINT CO LTD·Filed 1978·Granted Jan 1, 1980·6 cites·7 claims
- 1041US3996072APhosphate coating process and control of the phosphate coating solutionNIPPON PAINT CO LTD·Filed 1975·Granted Dec 7, 1976·6 cites·16 claims
- 1137US2003146098A1Antibacterial lead-free cationic electrodeposition coating compositionFiled 2002·Application pending·0 cites
- 1236US4113519APhosphating of metallic substrate with electrolytic reduction of nitrate ionsNIPPON PAINT CO LTD·Filed 1977·Granted Sep 12, 1978·5 cites·17 claims
- 1330US4419147APhosphating process of metal surfaceAMCHEM PROD·Filed 1981·Granted Dec 6, 1983·2 cites·1 claims
- 1429US4533683ARust preventive cationic electrocoatingNIPPON PAINT CO LTD·Filed 1983·Granted Aug 6, 1985·5 cites·2 claims
- 1528US4443273AMethod for replenishing chemical in zinc phosphate treatmentSAITO KOICHI·Filed 1981·Granted Apr 17, 1984·2 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →