Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5188881 | Thermosensitive stencil paper | Shoichi Sugiyama, Fumiaki Arai, Yuji Natori, Hideyuki Yamaguchi, Hitoshi Ueda +2 more | 1993-02-23 |
| 5091257 | Thermosensitive stencil paper | Fumiaki Arai, Yuji Natori, Hideyuki Yamaguchi | 1992-02-25 |