Inventor · disambiguated record
Rinzo Nishizawa
Also filed as: NISHIZAWA RINZO · TAKITA TOMOHISA · TASHIRO YASUHISA
11 granted patents·247 citations·filing 1977–1985
91Inventor score
Top patents by PatentIndex Score
11 records- 0197US4189604ABestatinMICROBIAL CHEM RES FOUND·Filed 1977·Granted Feb 19, 1980·124 cites·22 claims
- 0295US4281180AProcess for producing threo-3-amino-2-hydroxybutanoyl-aminoacetic acids, as well as novel intermediated therefor and process for producing themNIPPON KAYAKU KK·Filed 1979·Granted Jul 28, 1981·36 cites·7 claims
- 0388US4240975ABestatinMICROBIAL CHEM RES FOUND·Filed 1979·Granted Dec 23, 1980·34 cites·27 claims
- 0484US4198524AOptically active amino acid-mandelic acid complexesNIPPON KAYAKU KK·Filed 1978·Granted Apr 15, 1980·13 cites·13 claims
- 0578US4224239AProcess for preparing optically active amino acid or mandelic acidNIPPON KAYAKU KK·Filed 1979·Granted Sep 23, 1980·10 cites·9 claims
- 0664US4391986AProcess for producing threo-3-amino-2-hydroxybutanoyl-aminoacetic acids, as well as novel intermediates therefor and process for producing themNIPPON KAYAKU KK·Filed 1980·Granted Jul 5, 1983·5 cites·3 claims
- 0761US4529549ASpergualin-related compounds and process for the preparation thereofMICROBIAL CHEM RES FOUND·Filed 1983·Granted Jul 16, 1985·7 cites·6 claims
- 0860US4350813AProcess for producing 7-alkoxycarbonyl-6,8-dimethyl-4-hydroxymethyl-1-phthalazone and its intermediatesNIPPON KAYAKU KK·Filed 1980·Granted Sep 21, 1982·5 cites·4 claims
- 0957US4453003AProcess for producing threo-3-amino-2-hydroxy-butanoyl-aminoacetic acids as well as novel intermediates therefor and process for producing themUMEZAWA HAMAO·Filed 1981·Granted Jun 5, 1984·4 cites·1 claims
- 1054US4556735ASpergualin-related compounds having a phenylene group as well as a process for producing the sameMICROBIAL CHEM RES FOUND·Filed 1985·Granted Dec 3, 1985·6 cites·5 claims
- 1154US4464532AIntermediates of 7-alkoxycarbonyl-6,8-dimethyl-4-hydroxymethyl-1-phthalazoneNIPPON KAYAKU KK·Filed 1982·Granted Aug 7, 1984·3 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →