Inventor · disambiguated record

Norichika Matsumoto

Also filed as: MATSUMOTO NORICHIKA · TSUSHIMA SUSUMU

6 granted patents·28 citations·filing 1976–1981

78Inventor score

Technology areasC07D

Files withTAKEDA CHEMICAL INDUSTRIES LTD6

Top patents by PatentIndex Score

6 records

0173US4427586A2-Oxoazetidine derivatives and production thereofTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1981·Granted Jan 24, 1984·9 cites·9 claims
0270US4068072AProcess for production of 6-aminopenicillanic acid or 7-aminocephalosporanic acid derivativesTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1976·Granted Jan 10, 1978·7 cites·42 claims
0367US4068071AProcess for producing 6-aminopenicillanic acid or 7-aminocephalosporanic acid derivativesTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1976·Granted Jan 10, 1978·6 cites·55 claims
0462US4224441ADerivatives of 7-aminocephalosporanic acidTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1979·Granted Sep 23, 1980·4 cites·11 claims
0548US4166178A3-acyloxymethyl-cephem compoundsTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1978·Granted Aug 28, 1979·2 cites·25 claims
0632US4286088AProcess for preparing 7-aminocephalosporinsTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1978·Granted Aug 25, 1981·0 cites·11 claims

Join the waitlist — get patent alerts

Get an alert when Norichika Matsumoto 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 →