Inventor · disambiguated record
Ken Nishihata
Also filed as: NAKABAYASHI SATORU · NISHIHATA KEN
14 granted patents·58 citations·filing 1978–1994
88Inventor score
Top patents by PatentIndex Score
14 records- 0182US4839350ACephalosporin compounds and the production thereofMEIJI SEIKA KAISHA·Filed 1987·Granted Jun 13, 1989·32 cites·14 claims
- 0263US4555404ASodium 7β-(2D-2-amino-2-carboxyethylthioacetamido)-7α-methoxy-3-(1-methyl-1H-tetrazol-5-yl)thiomethyl-3-cephem-4-carboxylate heptahydrate and process for its preparationMEIJI SEIKA KAISHA·Filed 1983·Granted Nov 26, 1985·8 cites·12 claims
- 0359US4918068ACephem compoundsMEIJI SEIKA KAISHA·Filed 1987·Granted Apr 17, 1990·10 cites·9 claims
- 0449US4485235AProcess for preparing 7-α-methoxycephem compoundsMEIJI SEIKA KAISHA·Filed 1982·Granted Nov 27, 1984·4 cites·3 claims
- 0541US4810702AAntibacterial agent for mammal use comprising cephalosporin derivatives as an effective ingredientMEIJI SEIKA KAISHA·Filed 1987·Granted Mar 7, 1989·2 cites·9 claims
- 0632US4889926AMethod for the synthesis of (2"R)-4'-O-tetra-hydropyranyladriamycim using 14-chloro-daunomycin as an intermediateZAIDAN HOJIN BISEIBUTSU·Filed 1988·Granted Dec 26, 1989·1 cites·7 claims
- 0730US4898858ACephalosporin derivatives and antibiotics containing the sameMEIJI SEIKA KAISHA·Filed 1986·Granted Feb 6, 1990·0 cites·14 claims
- 0830US4560750ACephem compounds and process for preparing the sameMEIJI SEIKA KAISHA·Filed 1982·Granted Dec 24, 1985·1 cites·7 claims
- 0930US4159372AProcess for preparing cephalosporin esters in the presence of liquid sulfur dioxideMEIJI SEIKA KAISHA·Filed 1978·Granted Jun 26, 1979·0 cites·6 claims
- 1029US5596096AAzetidinone derivatives and method for producing azetidinone and cephalosoporin derivativesMEIJI SEIKA KAISHA·Filed 1994·Granted Jan 21, 1997·0 cites·5 claims
- 1129US4950660ABeta-lactam compound and process for production thereofMEIJI SEIKA CO·Filed 1988·Granted Aug 21, 1990·0 cites·6 claims
- 1228US5405955AMethod for producing azetidinone and cephalosporin derivativesMEIJI SEIKA KAISHA·Filed 1993·Granted Apr 11, 1995·0 cites·11 claims
- 1328US4225706APolychalcogen 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
- 1423US4791197ACephalosporin compoundsSAKAGAMI KENJI·Filed 1985·Granted Dec 13, 1988·0 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Ken Nishihata 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 →