Inventor · disambiguated record
Yoh-Ichi Koyama
Also filed as: KOYAMA YOH-ICHI
3 granted patents·7 citations·filing 2000–2013
56Inventor score
Top patents by PatentIndex Score
3 records- 0147US6440692B1Method of treating hairs or feathers using microorganismsJAPAN INST OF LEATHER RES·Filed 2000·Granted Aug 27, 2002·7 cites·6 claims
- 0239US9486491B2Collagen peptide composition production method, DPP-4 inhibitor, and antihyperglycemic agentNIPPI INCORPORATED·Filed 2013·Granted Nov 8, 2016·0 cites·6 claims
- 0336US8691951B2Type I-type IV collagen hybrid gelHATTORI SHUNJI·Filed 2011·Granted Apr 8, 2014·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →