Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6739508 | Evaluation apparatus with voting system, evaluation method with voting system, and a computer product | Akira Ushioda, Seiji Okura | 2004-05-25 |
| 6693736 | Optical circuit system and components of same | Tetsuzo Yoshimura, Takeshi Ishitsuka, Katsusada Motoyoshi, Satoshi Tatsuura, Wataru Sotoyama +3 more | 2004-02-17 |