Inventor · disambiguated record
Ryoichi Hasegawa
Also filed as: HASEGAWA RYOICHI
9 granted patents·2 pending applications·73 citations·filing 1978–2015
87Inventor score
Top patents by PatentIndex Score
11 records- 0180US5202449AProcess for purifying 7-dimethylamino-6-demethyl-6-deoxytetracyclineNIPPON KAYAKU KK·Filed 1991·Granted Apr 13, 1993·22 cites·3 claims
- 0269US4918208AProcess for producing 7-dimethylamino-6-demethyl-6-deoxytetracyclineNIPPON KAYAKU KK·Filed 1988·Granted Apr 17, 1990·9 cites·4 claims
- 0362US6962726B2Method for preparing substrate for flexible print wiring board, and substrate for flexible print wiring boardNIPPON KAYAKU KK·Filed 2001·Granted Nov 8, 2005·9 cites·7 claims
- 0457US4582928AProcess for producing optically active phenylalanineNIPPON KAYAKU KK·Filed 1985·Granted Apr 15, 1986·6 cites·15 claims
- 0549US4212813AProcess for producing substituted or unsubstituted naphthalic acids and acid anhydrides thereofNIPPON KAYAKU KK·Filed 1978·Granted Jul 15, 1980·3 cites·12 claims
- 0637US5403716AMethod for measurement of tissue factor in high sensitivity and measurement kit thereforTEIJIN LTD·Filed 1992·Granted Apr 4, 1995·8 cites·24 claims
- 0736US5352583AHuman tissue plasminogen activator-human plasminogen activator inhibitor complex immunoassay and kit thereforTEIJIN LTD·Filed 1990·Granted Oct 4, 1994·9 cites·6 claims
- 0833US2016348135A1Method for producing phenyl propane-based compound using microorganismsJAPAN AGENCY FOR MARINE-EARTH SCIENCE AND TECH·Filed 2015·Application pending·0 cites
- 0932US6124420AEpoxy resin, epoxy resin composition and hardened product thereofNIPPON KAYAKU KK·Filed 1997·Granted Sep 26, 2000·5 cites·17 claims
- 1030US5840824AEpoxy resin, epoxy resin composition and hardened product thereofNIPPON KAYAKU KK·Filed 1996·Granted Nov 24, 1998·2 cites·5 claims
- 1130US2016348136A1Method for producing phenyl propane-based compounds using enzymesJAPAN AGENCY FOR MARINE-EARTH SCIENCE AND TECH·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →