Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5078941 | Process for the production of a resin-laminated rubber closure for a medical vial | Yutaka Tatsumi, Hideo Yoshitaka, Tatsuya Matsunaga, Denpei Sudo | 1992-01-07 |
| 5009646 | Sliding stopper for a syringe | Masamichi Sudo | 1991-04-23 |
| 4997423 | Laminated sliding stopper for a syringe | Tomoyasu Muraki | 1991-03-05 |
| 4915243 | Resin-laminated rubber closure for a medical vial | Yutaka Tatsumi, Hideo Yoshitaka, Tatsuya Matsunaga, Denpei Sudo | 1990-04-10 |