Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6826379 | Washing method for charging member | Kazunari Koga, Toshiaki Murofushi, Akihiko Suzuki, Akihito Suzuki | 2004-11-30 |
| 6781943 | Objective lens and optical pick-up device for reproducing and/or recording of information | — | 2004-08-24 |
| 6765732 | Optical pickup lens, molded optical component, handling method, and mold for optical component | Shogo Yamamoto, Hiroyuki Hattori, Etsuzo Kurihara, Takashi Matsumaru, Taichiro Saito +3 more | 2004-07-20 |