Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6821030 | Optical coupling apparatus | Kazuyuki Fukuda, Yoshiaki Niwa, Naoki Matsushima | 2004-11-23 |
| 6792547 | Digital integrated apparatus, image input-output system, and user authentication method | Kazuyuki Murata, Takehito Yamaguchi, Yuji Okada, Naoki Takahashi, Joji Tanaka +1 more | 2004-09-14 |
| 6700681 | Image transmitting device | Joji Tanaka, Kazuyuki Murata, Takehito Yamaguchi, Yuji Okada, Naoki Takahashi +1 more | 2004-03-02 |