Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4959483 | D-glucosaccharoascorbic acid | Koichi Matsumura, Hiroshi Kimura, Hiroshi Miki | 1990-09-25 |
| 4837020 | Deodorant composition | Koichi Matsumura | 1989-06-06 |
| 4791096 | Color-forming composition | — | 1988-12-13 |