Inventor · disambiguated record
Hirokazu Ochiai
Also filed as: OCHIAI HIROKAZU · TAI MASURU
8 granted patents·48 citations·filing 1977–1992
85Inventor score
Files withTOYAMA CHEMICAL CO LTD8
Top patents by PatentIndex Score
8 records- 0178US4263292A7α-methoxycephalosporins and pharmaceutical composition comprising the sameTOYAMA CHEMICAL CO LTD·Filed 1979·Granted Apr 21, 1981·10 cites·16 claims
- 0272US4614819ANovel process for producing cephalosporinsTOYAMA CHEMICAL CO LTD·Filed 1984·Granted Sep 30, 1986·9 cites·8 claims
- 0360US4395412A7α-MethoxycephalosporinsTOYAMA CHEMICAL CO LTD·Filed 1980·Granted Jul 26, 1983·4 cites·23 claims
- 0460US4200744ASubstituted 7α-methoxy-7β[(2,3-dioxo-1-piperazinyl)carbonylaminophenylacetamido]cephalosporinsTOYAMA CHEMICAL CO LTD·Filed 1977·Granted Apr 29, 1980·4 cites·12 claims
- 0555US4129730A7α-Methoxy-cephalosporinsTOYAMA CHEMICAL CO LTD·Filed 1977·Granted Dec 12, 1978·5 cites·6 claims
- 0648US5185330APenam derivatives and salts thereof, and antibacterial agent comprising the sameTOYAMA CHEMICAL CO LTD·Filed 1990·Granted Feb 9, 1993·9 cites·51 claims
- 0742US5300497APenam derivatives and salts thereof, process for producing the same and antibacterial agent comprising the sameTOYAMA CHEMICAL CO LTD·Filed 1992·Granted Apr 5, 1994·6 cites·8 claims
- 0841US4321265A7α-MethoxycephalosporinsTOYAMA CHEMICAL CO LTD·Filed 1980·Granted Mar 23, 1982·1 cites·28 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →