Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6478570 | Disc-manufacturing mold and disc manufacturing apparatus using the same | Keiji Suga, Tetsuya Imai, Tetsuya Iida | 2002-11-12 |
| 6464485 | Ultrasonic injection mold for an optical disk | Tetsuya Iida, Keiji Suga, Kenichi Ishiguro, Yasunobu Higashika, Atsushi Sato +1 more | 2002-10-15 |