Inventor · disambiguated record
Yasuo Ogawa
Also filed as: OGAWA YASUO
12 granted patents·109 citations·filing 1974–1988
91Inventor score
Top patents by PatentIndex Score
12 records- 0175US4306045AProcess for producing acrylamide polymersNITTO CHEMICAL INDUSTRY CO LTD·Filed 1980·Granted Dec 15, 1981·22 cites·10 claims
- 0268US3968093AProcess for producing partially hydrolyzed polyacrylamide in the presence of alkali metal hydroxide and boric acidNITTO CHEMICAL INDUSTRY CO LTD·Filed 1974·Granted Jul 6, 1976·12 cites·8 claims
- 0366US3951934APolymerization of acrylamide in the presence of water-soluble nitrogen compoundsNITTO CHEMICAL INDUSTRY CO LTD·Filed 1974·Granted Apr 20, 1976·12 cites·7 claims
- 0464US4321388AN-benzoyl N'-pyridyloxy phenyl ureaISHIHARA MINING & CHEMICAL CO·Filed 1980·Granted Mar 23, 1982·5 cites·6 claims
- 0562US4390631AProcess for producing bacteria having high nitrilase activityNITTO CHEMICAL INDUSTRY CO LTD·Filed 1981·Granted Jun 28, 1983·11 cites·5 claims
- 0659US4421855AProduction of acrylamide using immobilized cellsNITTO CHEMICAL INDUSTRY CO LTD·Filed 1981·Granted Dec 20, 1983·10 cites·9 claims
- 0759US3947518AProcess for purifying acrylamidesNITTO CHEMICAL INDUSTRY CO LTD·Filed 1974·Granted Mar 30, 1976·5 cites·15 claims
- 0850US4514551AProcess for the preparation of cationic polymersNITTO CHEMICAL INDUSTRY CO LTD·Filed 1984·Granted Apr 30, 1985·12 cites·10 claims
- 0950US4306048AMethod for preparing acrylamide polymersNITTO CHEMICAL INDUSTRY CO LTD·Filed 1980·Granted Dec 15, 1981·8 cites·12 claims
- 1043USH750HHerbicidal suspension concentrateISHIHARA SANGYO KAISHA·Filed 1988·Granted Mar 6, 1990·3 cites·4 claims
- 1143US4851342AMethod for producing acrylamide using a microorganismNITTO CHEMICAL INDUSTRY CO LTD·Filed 1985·Granted Jul 25, 1989·9 cites·9 claims
- 1229US4387218AAnthracycline antibiotics FA-1180 B and B1, or salts thereofISHIHARA MINING & CHEMICAL CO·Filed 1981·Granted Jun 7, 1983·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →