Inventor · disambiguated record
Yasuaki Oyama
Also filed as: OYAMA YASUAKI
3 granted patents·136 citations·filing 1988–1990
75Inventor score
Top patents by PatentIndex Score
3 records- 0185US5262153ASkin-whitening agentHAYASHIBARA BIOCHEM LAB·Filed 1990·Granted Nov 16, 1993·83 cites·11 claims
- 0270US4990330ACompositions for topical use having melanin synthesis-inhibiting activitySANSHO SEIYAKU KK·Filed 1988·Granted Feb 5, 1991·45 cites·3 claims
- 0331US5077059AProcess for preparing melanogenic inhibitor, and pigmentation-lightening agent containing the sameYUAKA MISHIMAZO·Filed 1988·Granted Dec 31, 1991·8 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →