Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5957609 | Applicator | Masaaki Morita, Yasuyuki Iwase, Atsunori Satake, Tadashi Koriki | 1999-09-28 |
| 5690442 | Metal tip for ball-point pen | Shinsuke Sato, Toshiaki Takayanagi, Toru Kitao | 1997-11-25 |