Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7271823 | Optical scanner and image forming apparatus | Yoshinori Hayashi, Hiromichi Atsuumi | 2007-09-18 |
| 7164516 | Optical scanner and image forming apparatus | Yoshinori Hayashi, Hiromichi Atsuumi | 2007-01-16 |
| 7106483 | Optical scanner and image forming apparatus | Yoshinori Hayashi, Hiromichi Atsuumi | 2006-09-12 |
| 5606181 | Edge emitting type light emitting diode array heads | Nobuo Sakuma, Seizo Suzuki, Hiromichi Atsuumi, Takeshi Ueda | 1997-02-25 |