Inventor · disambiguated record
Toshiyasu Ishimaru
Also filed as: HATANAKA MINORU · ISHIMARU TOSHIYASU · SEKI SHIGEO
10 granted patents·28 citations·filing 1973–1985
84Inventor score
Top patents by PatentIndex Score
10 records- 0169US4064122AHydroxy-substituted cephalosporinsISHIMARU TOSHIYASU·Filed 1975·Granted Dec 20, 1977·7 cites·8 claims
- 0266US4036833A7-[(5'-N-methylthioacetamido)-adipoamido] cephalosporin derivativesISHIMARU TOSHIYASU·Filed 1975·Granted Jul 19, 1977·7 cites·5 claims
- 0363US4022773ACephalosporin estersISHIMARU TOSHIYASU·Filed 1975·Granted May 10, 1977·5 cites·9 claims
- 0459US3998816A7-[5-N-(n-Butoxyethoxy carbonyl and 2-chloroethoxy carbonyl)-amino] cephalosporins CMEIJI SEIKA KAISHA·Filed 1974·Granted Dec 21, 1976·4 cites·2 claims
- 0550US4123611AN-protected amino compoundsUNIV OSAKA·Filed 1975·Granted Oct 31, 1978·3 cites·6 claims
- 0640US4046759APenicillin estersISHIMARU TOSHIYASU·Filed 1975·Granted Sep 6, 1977·1 cites·9 claims
- 0730US4687769A3-(3,3,3-trifluoropropenyl) cephalosporinsMEIJI SEIKA KAISHA·Filed 1985·Granted Aug 18, 1987·0 cites·11 claims
- 0830US4175185AProcess for preparing cephalosporanic acid derivativesMEIJI SEIKA KAISHA·Filed 1978·Granted Nov 20, 1979·0 cites·16 claims
- 0926US4091217A7-((5'-N-Methylthioacetamido)-adipoamido)cephalosporin derivativesISHIMARU TOSHIYASU·Filed 1976·Granted May 23, 1978·0 cites·9 claims
- 1018US4179557AAcylation of 7-aminocephalosporanic acidsOSAKA UNIV PRESIDENT MINISTRY·Filed 1973·Granted Dec 18, 1979·1 cites·24 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →