Inventor · disambiguated record
Tadao Shibanuma
Also filed as: SHIBANUMA TADAO · YAMAZAKI ATSUKI
12 granted patents·190 citations·filing 1975–1990
91Inventor score
Files withYAMANOUCHI PHARMA CO LTD12
Top patents by PatentIndex Score
12 records- 0196US3985758A1,4-Dihydropyridine derivativesYAMANOUCHI PHARMA CO LTD·Filed 1975·Granted Oct 12, 1976·81 cites·9 claims
- 0287US4474779ACephalosporin compoundsYAMANOUCHI PHARMA CO LTD·Filed 1982·Granted Oct 2, 1984·22 cites·8 claims
- 0386US4608373ACephem compoundsYAMANOUCHI PHARMA CO LTD·Filed 1983·Granted Aug 26, 1986·21 cites·7 claims
- 0482US4690921ACephalosporin compounds and salts thereofYAMANOUCHI PHARMA CO LTD·Filed 1984·Granted Sep 1, 1987·15 cites·9 claims
- 0581US4699980AProcess for preparing 3-substituted-methyl-3-cephem derivativesYAMANOUCHI PHARMA CO LTD·Filed 1985·Granted Oct 13, 1987·16 cites·6 claims
- 0681US4068074ACephalosporin 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
- 0761US4198339A1,3-Dithietane-2-carboxylic acids and the preparation thereofYAMANOUCHI PHARMA CO LTD·Filed 1978·Granted Apr 15, 1980·3 cites·6 claims
- 0860US5081116ACephalosporin derivativesYAMANOUCHI PHARMA CO LTD·Filed 1990·Granted Jan 14, 1992·17 cites·15 claims
- 0947US3951962ANovel N-alkenyltetracycline derivativesYAMANOUCHI PHARMA CO LTD·Filed 1975·Granted Apr 20, 1976·3 cites·7 claims
- 1034US4414153A1,3-Dithietane-2-carboxylic acid penicillin and cephalosporin derivativesYAMANOUCHI PHARMA CO LTD·Filed 1981·Granted Nov 8, 1983·0 cites·1 claims
- 1133US4845211AAmino-3-substituted-methyl-3-cephem-4-carboxylic acid and lower alkylsilyl derivatives thereofYAMANOUCHI PHARMA CO LTD·Filed 1987·Granted Jul 4, 1989·0 cites·8 claims
- 1227US3991111AN-alkenyltetracycline derivativesYAMANOUCHI PHARMA CO LTD·Filed 1975·Granted Nov 9, 1976·0 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when Tadao Shibanuma files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →