Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6426841 | Optical apparatus | Keisuke Araki, Tsunefumi Tanaka, Makoto Sekita, Kenichi Kimura, Norihiro Nanba +1 more | 2002-07-30 |
| 6366411 | Reflecting type optical system | Kenichi Kimura, Tsunefumi Tanaka, Toshiya Kurihashi, Shigeo Ogura, Keisuke Araki +6 more | 2002-04-02 |
| 6351333 | Optical element and optical system having the same | Keisuke Araki, Sadahiko Tsuji, Tsunefumi Tanaka, Kenichi Kimura, Norihiro Nanba +2 more | 2002-02-26 |