Inventor · disambiguated record
Shigeo Seki
Also filed as: FUKATSU SHUNZO · SEKI SHIGEO · UMEZAWA HAMAO
21 granted patents·106 citations·filing 1973–1997
94Inventor score
Top patents by PatentIndex Score
21 records- 0184US4091202AN-methanesulfonic acid derivatives of 3',4'-dideoxykanamycin BMICROBIAL CHEM RES FOUND·Filed 1976·Granted May 23, 1978·20 cites·1 claims
- 0277US3963712A3-Halo-cephalosporinsMEIJI SEIKA KAISHA·Filed 1973·Granted Jun 15, 1976·9 cites·11 claims
- 0372US4195170A3',4'-Episulfido kanamycin B compoundsMICROBIAL CHEM RES FOUND·Filed 1978·Granted Mar 25, 1980·11 cites·3 claims
- 0471US4113944ACephalosporin-type antibiotics and process for producing the sameMEIJI SEIKA KAISHA·Filed 1975·Granted Sep 12, 1978·8 cites·25 claims
- 0566US4357331A7αMethoxycephalosporin derivativesMEIJI SEIKA KAISHA·Filed 1979·Granted Nov 2, 1982·8 cites·7 claims
- 0659US3998816A7-[5-N-(n-Butoxyethoxy carbonyl and 2-chloroethoxy carbonyl)-amino] cephalosporins CMEIJI SEIKA KAISHA·Filed 1974·Granted Dec 21, 1976·4 cites·2 claims
- 0754US4141790AProcess for the preparation of 7-amino-cephem compounds using mold fungiMEIJI SEIKA KAISHA·Filed 1977·Granted Feb 27, 1979·7 cites·8 claims
- 0853US3988326AProcess for N-acylation of 7 amino cephem compoundsMEIJI SEIKA KAISHA·Filed 1975·Granted Oct 26, 1976·3 cites·11 claims
- 0952US5774068AAbsolute signal detecting method and absolute encoderTAMAGAWA SEIKI CO LTD·Filed 1995·Granted Jun 30, 1998·15 cites·5 claims
- 1052US4258184ACephalosporin derivativesMEIJI SEIKA KAISHA·Filed 1979·Granted Mar 24, 1981·4 cites·5 claims
- 1146US4188480AProcess for the production of a 9,3"-di-acyl derivative of a macrolide antibioticMEIJI SEIKA KAISHA·Filed 1978·Granted Feb 12, 1980·3 cites·10 claims
- 1243US4290972AProcess for the production of 4-aminobutyric acid or its derivativesMEIJI SEIKA KAISHA·Filed 1979·Granted Sep 22, 1981·5 cites·10 claims
- 1335US5572199AAbsolute signal detecting method and absolute encoderTAMAGAWA SEIKI CO LTD·Filed 1994·Granted Nov 5, 1996·5 cites·4 claims
- 1435US4357465A3',4'-Diedeoxykanamycin B derivativesMICROBIAL CHEM RES FOUND·Filed 1980·Granted Nov 2, 1982·2 cites·8 claims
- 1531US4128714AProcess for the preparation of 7-acylamida-3-halo-3-alkyl-cepham-4-carboxylic acids and estersMEIJI SEIKA KAISHA·Filed 1976·Granted Dec 5, 1978·0 cites·8 claims
- 1630US5841371AEncoder signal generating deviceTAMAGAWA SEIKI CO LTD·Filed 1997·Granted Nov 24, 1998·1 cites·1 claims
- 1730US4175185AProcess for preparing cephalosporanic acid derivativesMEIJI SEIKA KAISHA·Filed 1978·Granted Nov 20, 1979·0 cites·16 claims
- 1830US4159372AProcess for preparing cephalosporin esters in the presence of liquid sulfur dioxideMEIJI SEIKA KAISHA·Filed 1978·Granted Jun 26, 1979·0 cites·6 claims
- 1928US4225706APolychalcogen ester of cephem compound, process for preparing the same and method for removing the protective group of the sameMEIJI SEIKA KAISHA·Filed 1978·Granted Sep 30, 1980·0 cites·7 claims
- 2027US4256744AAgricultural and horticultural pesticidesMEIJI SEIKA KAISHA·Filed 1979·Granted Mar 17, 1981·0 cites·28 claims
- 2124US3932668AComposition for treating swine scourMEIJI SEIKA KAISHA·Filed 1974·Granted Jan 13, 1976·1 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Shigeo Seki 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 →