Inventor · disambiguated record
Masaru Tai
Also filed as: SAIKAWA ISAMU · TAI MASARU
10 granted patents·51 citations·filing 1977–1991
87Inventor score
Top patents by PatentIndex Score
10 records- 0188US4489072ACephalosporinsTOYAMA CHEMICAL CO LTD·Filed 1981·Granted Dec 18, 1984·18 cites·30 claims
- 0278US4263292A7α-methoxycephalosporins and pharmaceutical composition comprising the sameTOYAMA CHEMICAL CO LTD·Filed 1979·Granted Apr 21, 1981·10 cites·16 claims
- 0366US5144027ACephalosporins, process for producing the same, intermediates thereof and process for producing the intermediatesTOYAMA CHEMICAL CO LTD·Filed 1991·Granted Sep 1, 1992·8 cites·8 claims
- 0460US4395412A7α-MethoxycephalosporinsTOYAMA CHEMICAL CO LTD·Filed 1980·Granted Jul 26, 1983·4 cites·23 claims
- 0555US4129730A7α-Methoxy-cephalosporinsTOYAMA CHEMICAL CO LTD·Filed 1977·Granted Dec 12, 1978·5 cites·6 claims
- 0653US4673738ANovel intermediates of cephalosporins and process for producing 7-(substituted or unsubstituted amino)-3-substituted methyl-Δ3 -cephem-4-carboxylic acidsHANDI PAC INC·Filed 1984·Granted Jun 16, 1987·2 cites·5 claims
- 0741US4321265A7α-MethoxycephalosporinsTOYAMA CHEMICAL CO LTD·Filed 1980·Granted Mar 23, 1982·1 cites·28 claims
- 0836US4199566AAntibacterial composition for medical useTOYAMA CHEMICAL CO LTD·Filed 1978·Granted Apr 22, 1980·2 cites·7 claims
- 0928US4428936AAntibacterial composition for medical useTOYAMA CHEMICAL CO LTD·Filed 1980·Granted Jan 31, 1984·1 cites·1 claims
- 1027US4324783AAntibacterial composition for medical useTOYAMA CHEMICAL CO LTD·Filed 1980·Granted Apr 13, 1982·0 cites·7 claims
Join the waitlist — get patent alerts
Get an alert when Masaru Tai 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 →