Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5329848 | Stamp device capable of perforating thermal stencil paper | Tsuneo Yasui, Takemi Yamamoto, Tetsuji Fuwa | 1994-07-19 |
| 5328795 | Toners for use in electrophotography and production thereof | Jiro Yamashiro, Harushi Nagami, Mitsuhiro Uchino | 1994-07-12 |