Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6812982 | Optical compensatory sheet producing method and apparatus, thermal treating method and apparatus, and dust removing method and apparatus | Seiji Ishizuka, Munehiro Ura, Tadashi Sugiyama, Kazuhiko Fujiwara, Naoyuki Kawanishi | 2004-11-02 |
| 6702092 | Coin assorter | Yasuyuki Kodama, Takahiro Hayashi, Masato Yagi, Shinichi Kosugi | 2004-03-09 |
| 6698568 | Coin sorter | Yasuyuki Kodama, Takahiro Hayashi, Masato Yagi, Shinichi Kosugi | 2004-03-02 |