Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6480303 | Light amount distribution control device | Kazuo Kawasaki | 2002-11-12 |
| 6424601 | Magneto-optical recording media having an auxiliary magnetic layer | Satoru Oonuki, Masafumi Yoshihiro, Katsusuke Shimazaki, Hiroyuki Awano, Hiroshi Shirai +3 more | 2002-07-23 |