Inventor · disambiguated record
Tetsuya Maeda
Also filed as: IWANAMI MASARU · MAEDA TETSUYA
15 granted patents·110 citations·filing 1975–1993
92Inventor score
Top patents by PatentIndex Score
15 records- 0193US4263432A7α-Methoxy-7β-(1,3-dithietane-2-carboxamido)cephalosporanic acid derivativesYAMANOUCHI PHARMA CO LTD·Filed 1978·Granted Apr 21, 1981·25 cites·9 claims
- 0281US4068074ACephalosporin derivatives having at the 3-position of the cephem ring a heterocyclic thiomethyl group with a carboxy or sulfo group and at the 7-position of the cephem ring an α-heterocylic acylaminophenyl-acetamide groupYAMANOUCHI PHARMA CO LTD·Filed 1976·Granted Jan 10, 1978·12 cites·15 claims
- 0380US4404373AProcess for the preparation of 7α-methoxy-7β-(1,3-diethietane-2-carboxamido)cephalosporanic acid derivativesYAMANOUCHI PHARMA CO LTD·Filed 1980·Granted Sep 13, 1983·10 cites·2 claims
- 0463US5334628AAmine derivatives, processes for preparing the same and fungicides containing the sameKAKEN PHARMA CO LTD·Filed 1992·Granted Aug 2, 1994·11 cites·2 claims
- 0561US4198339A1,3-Dithietane-2-carboxylic acids and the preparation thereofYAMANOUCHI PHARMA CO LTD·Filed 1978·Granted Apr 15, 1980·3 cites·6 claims
- 0661US4165429A7α-METHOXY-CEPHALOSPORANIC ACID DERIVATIVESYAMANOUCHI PHARMA CO LTD·Filed 1977·Granted Aug 21, 1979·4 cites·3 claims
- 0760US5081116ACephalosporin derivativesYAMANOUCHI PHARMA CO LTD·Filed 1990·Granted Jan 14, 1992·17 cites·15 claims
- 0856US5021458AAmine derivatives and fungicides containing the sameKAKEN PHARMA CO LTD·Filed 1988·Granted Jun 4, 1991·6 cites·3 claims
- 0948US5120735AAntifungal compositionKAKEN PHARMA CO LTD·Filed 1991·Granted Jun 9, 1992·7 cites·1 claims
- 1048US4036834ADerivatives of 7-(α-hydroxy-substituted pyridyl carboxamido-α phΔ3 -cephem-4-carboxylic acidYAMANOUCHI PHARMA CO LTD·Filed 1975·Granted Jul 19, 1977·2 cites·8 claims
- 1146US5233035ACephalosporin derivativesYAMANOUCHI PHARMA CO LTD·Filed 1992·Granted Aug 3, 1993·8 cites·2 claims
- 1245US5106866AAmine derivatives, processes for preparing the same and fungicides containing the sameKAKEN PHARMA CO LTD·Filed 1990·Granted Apr 21, 1992·5 cites·2 claims
- 1334US4414153A1,3-Dithietane-2-carboxylic acid penicillin and cephalosporin derivativesYAMANOUCHI PHARMA CO LTD·Filed 1981·Granted Nov 8, 1983·0 cites·1 claims
- 1430USRE34770EAmine derivatives, processes for preparing the same and fungicides containing the sameKAKEN PHARMA CO LTD·Filed 1993·Granted Nov 1, 1994·0 cites·4 claims
- 1529US5200423AAmine derivatives, processes for preparing the same and fungicides containing the sameKAKEN PHARMA CO LTD·Filed 1991·Granted Apr 6, 1993·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →