Inventor · disambiguated record
Katsuya Koyama
Also filed as: KOYAMA KATSUYA
3 granted patents·40 citations·filing 2000–2000
71Inventor score
Top patents by PatentIndex Score
3 records- 0177US6884853B1Cosmetic resin compositionNAT STARCH CHEM INVEST·Filed 2000·Granted Apr 26, 2005·17 cites·8 claims
- 0276US6692729B1Cosmetic resin composition and cosmetic using the sameNAT STARTCH AND CHEMICAL INVES·Filed 2000·Granted Feb 17, 2004·15 cites·7 claims
- 0374US6737069B1Cosmetic compositions containing amphoteric polyurethanesNAT STARCH CHEM INVEST·Filed 2000·Granted May 18, 2004·8 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →