Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4664275 | Medical container stopper | Kenji Ishikawa | 1987-05-12 |
| 4507415 | Medical articles | Toshiji Ichikawa, Kimiho Kosegaki | 1985-03-26 |
| 4444330 | Medical container stopper | Toshiji Ichikawa | 1984-04-24 |