Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6761128 | Plasma treatment apparatus | Toshiyasu Shirasuna, Tatsuyuki Aoike, Kazuyoshi Akiyama, Hitoshi Murayama, Takashi Otsuka +2 more | 2004-07-13 |
| 6753123 | Process and apparatus for manufacturing electrophotographic photosensitive member | Ryuji Okamura, Junichiro Hashizume | 2004-06-22 |
| 6702898 | Deposited film forming apparatus | Toshiyasu Shirasuna, Kazuhiko Takada, Ryuji Okamura, Kazuyoshi Akiyama, Hitoshi Murayama | 2004-03-09 |