Inventor · disambiguated record
Yoshihisa Koyama
Also filed as: KOYAMA YOSHIHISA
3 granted patents·169 citations·filing 1998–2004
74Inventor score
Top patents by PatentIndex Score
3 records- 0191US6441073B1Biological materialsTAKI CHEMICAL·Filed 2000·Granted Aug 27, 2002·153 cites·14 claims
- 0277US7229971B2Regulation of biodegradability of composite biomaterialsNITTA GELATIN KK·Filed 2004·Granted Jun 12, 2007·9 cites·16 claims
- 0335US6169046B1Absorbable barrier membraneDIRECTOR GENERAL OF NAT INST F·Filed 1998·Granted Jan 2, 2001·7 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →