Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4901113 | Image-forming device | Noboru Sawayama, Shinichi Kamiyama, Masayuki Takashima, Tadayuki Sekiya | 1990-02-13 |
| 4814821 | Image-forming device | Noboru Sawayama, Shinichi Kamiyama, Masayuki Takashima, Tadayuki Sekiya | 1989-03-21 |