Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6498688 | Zoom lens system | — | 2002-12-24 |
| 6482780 | Grease composition for rolling bearing | Atsushi Yokouchi, Jun Kuraishi, Youichiro Sugimori, Yasunobu Fujita, Michiharu Naka +1 more | 2002-11-19 |
| 6472348 | Pyridone derivatives and herbicides | Mikio Yamaguchi, Yoshihiro Ito, Yoshihiro Yamaji, Ryo Hanai, Sota Uotsu +1 more | 2002-10-29 |
| 6349002 | Variable focal length lens system and imaging apparatus equipped with thereof | Kouichi Oshita, Keiko Mizuguchi | 2002-02-19 |