Inventor · disambiguated record
Tsutomu Sugasawa
Also filed as: ISHIZUKA ICHIRO · SUGASAWA TSUTOMU
11 granted patents·121 citations·filing 1976–1991
88Inventor score
Files withSHIONOGI & CO11
Top patents by PatentIndex Score
11 records- 0195US4031098ACamptothecin analoguesSHIONOGI & CO·Filed 1976·Granted Jun 21, 1977·54 cites·4 claims
- 0294US4560684A1,4-Benzodiazepine derivativesSHIONOGI & CO·Filed 1983·Granted Dec 24, 1985·38 cites·15 claims
- 0377US4160784AProcess for the production of o-aminophenyl ketone derivativesSHIONOGI & CO·Filed 1977·Granted Jul 10, 1979·10 cites·7 claims
- 0466US4857645AProcess for introducing a thiocarboxylic ester group at the orthoposition of phenols or phenylaminesSHIONOGI & CO·Filed 1987·Granted Aug 15, 1989·10 cites·9 claims
- 0552US4186144AProcess for the production of cyanopinacoloneSHIONOGI & CO·Filed 1978·Granted Jan 29, 1980·3 cites·7 claims
- 0641US4579685AProcess for preparing 1-substituted-1,4-benzodiazepine derivativesSHIONOGI & CO·Filed 1984·Granted Apr 1, 1986·1 cites·19 claims
- 0737US4774331AProcess for ortho-cyanation of phenols or phenylaminesSHIONOGI & CO·Filed 1987·Granted Sep 27, 1988·1 cites·16 claims
- 0833US5155026AMethod for determination of nagase and reagent thereforSHIONOGI & CO·Filed 1991·Granted Oct 13, 1992·4 cites·7 claims
- 0930US4410730AProcess for the production of o-(N-monosubstituted amino)benzyl alcoholsSHIONOGI & CO·Filed 1979·Granted Oct 18, 1983·0 cites·8 claims
- 1029US4831132AOrtho-mono-substituted amino)phenyliminesSHIONOGI & CO·Filed 1986·Granted May 16, 1989·0 cites·1 claims
- 1129US4551554AProcess for production of 2-haloacetylphenolsSHIONOGI & CO·Filed 1981·Granted Nov 5, 1985·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →