Inventor · disambiguated record
Yasushi Murai
Also filed as: MURAI YASUSHI
19 granted patents·275 citations·filing 1980–2001
94Inventor score
Top patents by PatentIndex Score
19 records- 0190US6441162B2Crystalline substance of cefditoren pivoxyl and the production of the sameMEIJI SEIKA KAISHA·Filed 2001·Granted Aug 27, 2002·39 cites·5 claims
- 0288US5747448ADerivatives of cyclodepsipeptide PF 1022MEIJI SEIKA KAISHA·Filed 1994·Granted May 5, 1998·44 cites·12 claims
- 0385US6486149B2Composition comprising a crystallographically stable, amorphous cephalosporin and processes for the preparation thereofMEIJI SEIKA KAISHA·Filed 2001·Granted Nov 26, 2002·26 cites·4 claims
- 0484US7250389B1Antifungal compound and process for producing the sameMEIJI SEIKA KAISHA·Filed 1999·Granted Jul 31, 2007·83 cites·17 claims
- 0566US6329338B1Derivatives of cyclodepsipeptide PF1022 substanceMEIJI SEIKA KAISHA·Filed 1996·Granted Dec 11, 2001·24 cites·12 claims
- 0666US4393058ACephalosporin compoundsMEIJI SEIKA KAISHA·Filed 1980·Granted Jul 12, 1983·6 cites·3 claims
- 0761US4556513AProcess for the production of antibiotic 1-oxadethiacephalosporins, and intermediateMEIJI SEIKA KAISHA·Filed 1984·Granted Dec 3, 1985·4 cites·1 claims
- 0858US4785090ACephalosporin derivativesMEIJI SEIKA KAISHA·Filed 1985·Granted Nov 15, 1988·5 cites·13 claims
- 0955US4331597APenicillin compoundsMEIJI SEIKA KAISHA·Filed 1980·Granted May 25, 1982·6 cites·5 claims
- 1054US6294669B1Crystalline substance of cefditoren pivoxyl and the production of the sameMEIJI SEIKA KAISHA·Filed 1997·Granted Sep 25, 2001·10 cites·6 claims
- 1150US6342493B1Crystallographically stable amorphous cephalosporin compositions and process for producing the sameMEIJI SEIKA KAISHA·Filed 1999·Granted Jan 29, 2002·8 cites·7 claims
- 1249US4472576AProcesses for the production of antibiotic 1-oxadethiacephalosporinsMERCK & CO INC·Filed 1982·Granted Sep 18, 1984·2 cites·6 claims
- 1347US6288223B1Process for the selective preparation of Z-isomers of 3-2(substituted vinyl)cephalosporinsMEIJI SEIKA KAISHA·Filed 1998·Granted Sep 11, 2001·9 cites·10 claims
- 1447US4534898A1-Oxa-1-dethia-cephalosporin derivativesMERCK & CO INC·Filed 1983·Granted Aug 13, 1985·2 cites·4 claims
- 1541US4810702AAntibacterial agent for mammal use comprising cephalosporin derivatives as an effective ingredientMEIJI SEIKA KAISHA·Filed 1987·Granted Mar 7, 1989·2 cites·9 claims
- 1641US4645769A1-oxa-1-dethia-cephalosporin compounds and antibacterial agent comprising the sameMERCK & CO INC·Filed 1985·Granted Feb 24, 1987·3 cites·4 claims
- 1739US4970305ACrystalline dihydrochloride of cephalosporin derivative and a method for preparation thereofMEIJI SEIKA KAISHA·Filed 1989·Granted Nov 13, 1990·1 cites·2 claims
- 1837US4497811A1-Oxadethiacephalosporin compound and antibacterial agent containing the _sameSHIBAHARA SEIJI·Filed 1983·Granted Feb 5, 1985·1 cites·2 claims
- 1930US4898858ACephalosporin derivatives and antibiotics containing the sameMEIJI SEIKA KAISHA·Filed 1986·Granted Feb 6, 1990·0 cites·14 claims
Join the waitlist — get patent alerts
Get an alert when Yasushi Murai 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 →