Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4966809 | Water-absorbing composite body | Toyoaki Tanaka, Akira Nakamura, Ryosuke Kamei, Akihiro Hashimoto | 1990-10-30 |
| 4931005 | Apparatus for the production of elastic absorbent | Toyoaki Tanaka, Akira Nakamura, Ryosuke Kamei, Akihiro Hashimoto | 1990-06-05 |
| 4902463 | Elastic absorbent and process for production thereof | Toyoaki Tanaka, Akira Nakamura, Ryosuke Kamei, Akihiro Hashimoto | 1990-02-20 |
| 4822668 | Elastic absorbent | Toyoaki Tanaka, Akira Nakamura, Ryosuke Kamei, Akihiro Hashimoto | 1989-04-18 |