Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5622109 | Process for producing a heat sensitive stencil sheet | Shoichi Ikejima, Tetsu Yamanaka, Kenichi Shibuya, Satoshi Chonan | 1997-04-22 |
| 5498464 | Heat-sensitive stencil sheets and process | Shoichi Ikejima, Tetsu Yamanaka, Kenichi Shibuya, Satoshi Chonan | 1996-03-12 |