Inventor · disambiguated record
Masako Koyama
Also filed as: KOYAMA MASAKO
4 granted patents·1 pending application·57 citations·filing 1992–2011
76Inventor score
Top patents by PatentIndex Score
5 records- 0169US6528068B1Cosmetic composition containing N-acyl neutral amino acid esters of lower alcoholsAJINOMOTO KK·Filed 1998·Granted Mar 4, 2003·34 cites·17 claims
- 0267US6447790B1Oily material compositionAJINOMOTO KK·Filed 2000·Granted Sep 10, 2002·6 cites·8 claims
- 0343US5283297AArtificial hair from poly amino acid urethane fiberADERANS KK·Filed 1992·Granted Feb 1, 1994·13 cites·11 claims
- 0433US2011257236A1Solid solution of valine, isoleucine, leucine and its manufacturing methodAJINOMOTO KK·Filed 2011·Application pending·0 cites
- 0531US6387359B1Nonionic surfactantAJINOMOTO KK·Filed 1998·Granted May 14, 2002·4 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when Masako Koyama 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 →