Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6639729 | Reflecting type of zoom lens | Tsunefumi Tanaka, Toshiya Kurihashi, Shigeo Ogura, Keisuke Araki, Makoto Sekita +6 more | 2003-10-28 |
| 6636360 | Reflecting type of zoom lens | Tsunefumi Tanaka, Toshiya Kurihashi, Shigeo Ogura, Keisuke Araki, Makoto Sekita +6 more | 2003-10-21 |
| 6545819 | Zoom lens and optical apparatus having the same | Koji Hoshi, Hiroyuki Hamano, Makoto Sekita | 2003-04-08 |
| 6522475 | Zoom lens | Takeshi Akiyama | 2003-02-18 |