Inventor

KOYAMA YOH-ICHI

JP3 patents

⚠️ This page may combine multiple inventors who share the name “KOYAMA YOH-ICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

JAPAN INST OF LEATHER RES

1 patent

US6440692B1Aug 27, 2002

Method of treating hairs or feathers using microorganisms

JAPAN INST OF LEATHER RES7 citations61

NIPPI INCORPORATED

1 patent

US9486491B2Nov 8, 2016

Collagen peptide composition production method, DPP-4 inhibitor, and antihyperglycemic agent

NIPPI INCORPORATED0 citations45

HATTORI SHUNJI

1 patent

US8691951B2Apr 8, 2014

Type I-type IV collagen hybrid gel

HATTORI SHUNJI0 citations40