Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4952560 | Ointment base | Kazuo Kigasawa, Makoto Tanaka, Shigeru Hayashida | 1990-08-28 |
| 4695465 | Soft patch | Kazuo Kigasawa, Makoto Tanaka, Shigeru Hayashida | 1987-09-22 |
| 4500511 | Antiinflammatory and analgesic gel | Kazuo Kigasawa, Toshiyuki Kanezuka | 1985-02-19 |