Inventor · disambiguated record
Akira Matsubara
Also filed as: MATSUBARA AKIRA
18 granted patents·98 citations·filing 1979–1995
93Inventor score
Top patents by PatentIndex Score
18 records- 0189US5447946AHydantoin derivatives for treating complications of diabetesSANWA KAGAKU KENKYUSHO CO·Filed 1994·Granted Sep 5, 1995·28 cites·3 claims
- 0274US4861792AHydantoin derivatives for treating complications of diabetesSANWA KAGAKU KENKYUSHO CO·Filed 1987·Granted Aug 29, 1989·7 cites·9 claims
- 0373US4760078AImmunomodulator 1,2-dithiol-3-thione derivative composition, use method and process of producing the sameMITSUI TOATSU CHEMICALS·Filed 1987·Granted Jul 26, 1988·11 cites·16 claims
- 0472US5338857AAminoketone derivatives of 1,2-oxazole and use thereofMITSUI TOATSU CHEMICALS·Filed 1992·Granted Aug 16, 1994·12 cites·7 claims
- 0572US4740517AAntidiabetic spiro-3-heteroazolidinesSANWA KAGAKU KENKYUSHO CO·Filed 1986·Granted Apr 26, 1988·18 cites·20 claims
- 0664US4985574AHydantoin derivatives for treating complications of diabetesSANWA KAGAKU KENKYUSHO CO·Filed 1989·Granted Jan 15, 1991·4 cites·1 claims
- 0764US4263302AQuinolinecarboxylic acid substituted penicillins and pharmaceutical compositions containing the sameMITSUI TOATSU CHEMICALS·Filed 1979·Granted Apr 21, 1981·4 cites·5 claims
- 0863US4273932A4-Hydroxy-5,6,7,8-tetrahydroquinoline-3-carboxylic acids and derivativesMITSUI TOATSU CHEMICALS·Filed 1980·Granted Jun 16, 1981·5 cites·16 claims
- 0959US4978758AHydantoin derivatives for treating complications of diabetesSANWA KAGAKU KENKYUSHO CO·Filed 1989·Granted Dec 18, 1990·3 cites·2 claims
- 1045US5112841AImidazole derivatives and antiepileptics comprising said imidazole derivatives as effective ingredientsMITSUI TOATSU CHEMICALS·Filed 1991·Granted May 12, 1992·3 cites·2 claims
- 1145US4296112ACephalosporinsMITSUI TOATSU CHEMICALS·Filed 1979·Granted Oct 20, 1981·1 cites·6 claims
- 1238US4283398ACephalosporinsMITSUI TOATSU CHEMICALS·Filed 1979·Granted Aug 11, 1981·1 cites·8 claims
- 1336US5194606APreparation process of aminoketonesMITSUI TOATSU CHEMICALS·Filed 1991·Granted Mar 16, 1993·1 cites·7 claims
- 1434US4985573AHydantoin derivatives for treating complications of diabetesSANWA KAGAKU KENKYUSHO CO·Filed 1989·Granted Jan 15, 1991·0 cites·1 claims
- 1533US5498619AAminoketone derivative and use thereofMITSUI TOATSU CHEMICALS·Filed 1994·Granted Mar 12, 1996·0 cites·6 claims
- 1631US5602160AAminoketone derivatives and use thereofMITSUI TOATSU CHEMICALS·Filed 1995·Granted Feb 11, 1997·0 cites·6 claims
- 1728US5055585APreparation process of aminoketonesMITSUI TOATSU CHEMICALS·Filed 1991·Granted Oct 8, 1991·0 cites·8 claims
- 1827US5001240AProcess for preparing optically active hydantoinsSANWA KAGAKU KENKYYUSHO CO LTD·Filed 1990·Granted Mar 19, 1991·0 cites·3 claims
Join the waitlist — get patent alerts
Get an alert when Akira Matsubara files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →