Inventor · disambiguated record
Kenji Takeda
Also filed as: TAKEDA KENJI
6 granted patents·74 citations·filing 1983–1993
81Inventor score
Files withTOYAMA CHEMICAL CO LTD6
Top patents by PatentIndex Score
6 records- 0186US5578627A1,2-benzoisoxazole derivative or its salt and brain-protecting agent comprising the sameTOYAMA CHEMICAL CO LTD·Filed 1993·Granted Nov 26, 1996·48 cites·32 claims
- 0270US4948796APiperazine derivative or its salt, process for producing the same and pharmaceutical composition comprising the same as active ingredientTOYAMA CHEMICAL CO LTD·Filed 1989·Granted Aug 14, 1990·20 cites·25 claims
- 0350US4563534AProcess for producing 2-(2-aminothiazol-4-yl)glyoxylic acid derivative or a salt thereof, and intermediates therefor and process for producing the intermediatesTOYAMA CHEMICAL CO LTD·Filed 1983·Granted Jan 7, 1986·2 cites·6 claims
- 0446US4717767A7-amino-3-(pyrazinylmethyl) or (pyridazinylmethyl)-cephalosporinsTOYAMA CHEMICAL CO LTD·Filed 1986·Granted Jan 5, 1988·2 cites·6 claims
- 0538US4667040ANovel process for producing 2-(2-aminothiazol-4-yl)glyoxylic acid derivative or a salt thereof, and intermediates therefor and process for producing the intermediatesTOYAMA CHEMICAL CO LTD·Filed 1985·Granted May 19, 1987·1 cites·12 claims
- 0632US4618606AAntibiotic 7-(thiazolyl)-3-(pyrazinylmethyl) or (pyridazinylmethyl) cephalosporinsTOYAMA CHEMICAL CO LTD·Filed 1983·Granted Oct 21, 1986·1 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →