Inventor · disambiguated record
Chosaku Yoshida
Also filed as: KURODA SEIETSU · YOSHIDA CHOSAKU
16 granted patents·405 citations·filing 1975–1999
94Inventor score
Top patents by PatentIndex Score
16 records- 0196US4087424ANovel penicillins and cephalosporins and process for producing the sameTOYAMA CHEMICAL CO LTD·Filed 1975·Granted May 2, 1978·56 cites·4 claims
- 0295US4112090ANovel penicillins and cephalosporins and process for producing the sameTOYAMA CHEMICAL CO LTD·Filed 1976·Granted Sep 5, 1978·44 cites·40 claims
- 0395US4110327A2,3 Diketo-piperazinocarbonylamino alkanoic acids and derivativesTOYAMA CHEMICAL CO LTD·Filed 1976·Granted Aug 29, 1978·43 cites·8 claims
- 0493US4379152ACephalosporinsTOYAMA CHEMICAL CO LTD·Filed 1979·Granted Apr 5, 1983·30 cites·27 claims
- 0592US4954518A4H-1-benzopyran-4-one derivative or its salt, process for producing the same and pharmaceutical composition comprising the same as active ingredientTOYAMA CHEMICAL COMPANY LTD·Filed 1988·Granted Sep 4, 1990·100 cites·27 claims
- 0692US4410522ACephalosporinsTOYAMA CHEMICAL CO LTD·Filed 1977·Granted Oct 18, 1983·28 cites·47 claims
- 0792US4327097ANovel penicillinsTOYAMA CHEMICAL CO LTD·Filed 1979·Granted Apr 27, 1982·28 cites·14 claims
- 0892US4219554ANovel penicillins and cephalosporins and process for producing sameTOYAMA CHEMICAL CO LTD·Filed 1978·Granted Aug 26, 1980·28 cites·16 claims
- 0977US5922755AImmunomodulator, cell adhesion inhibtor, and agent for treating, and preventing autoimmune diseasesTOYAMA CHEMICAL CO LTD·Filed 1994·Granted Jul 13, 1999·34 cites·35 claims
- 1066US4436921A1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives, acid addition salts thereof and process for producing sameTOYAMA CHEMICAL CO LTD·Filed 1980·Granted Mar 13, 1984·4 cites·4 claims
- 1148US4477666A1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives, acid addition salts thereof and process for producing sameTOYAMA CHEMICAL CO LTD·Filed 1982·Granted Oct 16, 1984·2 cites·3 claims
- 1246US4460774A1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives, acid addition salts thereof and process for producing sameTOYAMA CHEMICAL COMPANY LIMITE·Filed 1982·Granted Jul 17, 1984·1 cites·2 claims
- 1343US6166068AImmunomodulator, cell adhesion inhibitor, and agent for treating, and preventing autoimmune diseasesTOYAMA CHEMICAL CO LTD·Filed 1999·Granted Dec 26, 2000·5 cites·52 claims
- 1441US4477664ANovel 1-(4-piperidiniobenzyl)-2,3-dioxopiperazine derivatives or acid addition salts thereofTOYAMA CHEMICAL CO LTD·Filed 1982·Granted Oct 16, 1984·1 cites·3 claims
- 1541US4448963A4-[4-(Thiazolyl-amino)benzyl]-2,3-dioxopiperazine derivatives, acid addition salts thereof and process for producing sameTOYAMA CHEMICAL CO LTD·Filed 1982·Granted May 15, 1984·1 cites·2 claims
- 1631US4459407A1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives and salts thereofTOYAMA CHEMICAL CO LTD·Filed 1982·Granted Jul 10, 1984·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →