Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6658208 | Focal-length adjusting unit for photographing apparatuses | Yoji Watanabe, Takeshi Nakane | 2003-12-02 |
| 6643833 | Method of localized placement manipulation without extra latency | Koji Ishizaki, Masahiro Kaburaki | 2003-11-04 |
| 6626532 | Vari-focal spectacles | Koji Ishizaki, Masahiro Kaburaki | 2003-09-30 |
| 6618209 | Optical apparatus | Tetsuhide Takeyama, Tetsuo Nagata, Kazuhito Hayakawa, Toshiyuki Nagaoka | 2003-09-09 |