Inventor · disambiguated record
Tadashi Shirai
Also filed as: SHIRAI TADASHI
10 granted patents·74 citations·filing 1974–1991
88Inventor score
Top patents by PatentIndex Score
10 records- 0195US4281180AProcess 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
- 0276US4002666AProcess for the preparation of optically active p-hydroxyphenylglycineNIPPON KAYAKU KK·Filed 1974·Granted Jan 11, 1977·10 cites·10 claims
- 0369US3994962AMethod of manufacturing optically active p-hydroxyphenylglycineNIPPON KAYAKU KK·Filed 1975·Granted Nov 30, 1976·7 cites·6 claims
- 0464US4391986AProcess 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
- 0557US4453003AProcess 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
- 0653US3932374ABleomycinic acid and process for preparing thereofMICROBIAL CHEM RES FOUND·Filed 1974·Granted Jan 13, 1976·5 cites·2 claims
- 0749US5008282ACyclic guanidine derivatives, anti-ulceratives and methods of manufacturing the sameKOTOBUKI SEIYAKU CO LTD·Filed 1989·Granted Apr 16, 1991·3 cites·9 claims
- 0837US5240944ACyclic guanidine derivatives, anti-ulceratives and method of manufacturing the sameKOTOBUKI SEIYAKU CO LTD·Filed 1991·Granted Aug 31, 1993·1 cites·5 claims
- 0936US4115439AProcess for the preparation of optically active α-phenylglycine and intermediates thereofNIPPON KAYAKU KK·Filed 1976·Granted Sep 19, 1978·3 cites·3 claims
- 1030US4107203AOptical resolution of DL-α-phenylglycine hydrochlorideNIPPON KAYAKU KK·Filed 1977·Granted Aug 15, 1978·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →