Katakura Chikkarin Co., Ltd.
2Patents
0Active
2Granted
23Portfolio score
Filing activity: Oct 29, 1990 → Apr 30, 2002
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5116824A | Biomaterial comprising a composite material of a chitosan derivative and collagen derivative | Human Necessities | 67 | Expired |
| US6903146B2 | Prosthetic filler for a living body and method of manufacturing the prosthetic filler | Human Necessities | 16 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.