Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6430143 | Optical pickup device and optical disc recording and/or reproducing apparatus | Yoshihiro Kajiyama, Junzo Kumakura, Yasuo Osada, Toshiyuki Kuroiwa, Hideo Nagasaka +5 more | 2002-08-06 |
| 6339543 | Writing method for a magnetic immovable memory and a magnetic immovable memory | Valentyn Novosad, Yoshichika Otani, Kazuaki Fukamichi, Osamu Kitakami | 2002-01-15 |