Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6831882 | Optical head and optical head feeder | Makoto Takashima, Hideki Aikoh, Hironori Tomita, Tadashi Kuroda, Toru Tanaka | 2004-12-14 |
| 6711102 | Magneto-optical cleaning disk | Yutaka Murakami, Osamu Mizuno, Tohru Nakamura | 2004-03-23 |