Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10914451 | Optical unit and optical apparatus | — | 2021-02-09 |
| 10559942 | Laser device and internal combustion engine | Kentaroh Hagita, Naoto Jikutani | 2020-02-11 |
| 9627845 | Method for manufacturing an optical unit | Satoru Sugawara | 2017-04-18 |
| 8421838 | Optical device, optical scanning device, image forming apparatus, and manufacturing method of optical device | Takayuki Yamaguchi, Satoru Sugawara, Kazuhiko Adachi | 2013-04-16 |
| 5848329 | Image forming apparatus having a mounting/dismounting mechanism | Yuichi Aoyama, Makoto Obu, Katsuaki Miyawaki, Nobuhiko Umezawa, Masami Hiramatsu | 1998-12-08 |
| 5153750 | Image reading apparatus having a contact type image sensor device | Ken Oikawa, Koichi Haga | 1992-10-06 |
| 5015837 | Contact type image sensor with electric shielding | Masumitsu Ino, Takehito Nagata, Masumi Shimada | 1991-05-14 |