Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4988492 | Method for infusibilizing pitch fibers | Yojiro Hara, Hiroaki Shono, Taiji Matsumoto | 1991-01-29 |
| 4808466 | Deodorant sheet | Motoharu Kotani, Keishi Sato | 1989-02-28 |
| 4380462 | Glass fiber apparatus and method | Hiroaki Shono, Toshio Noji | 1983-04-19 |