Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6473377 | OPTICAL DISC RECORD CARRIER WITH WOBBLED GROOVES THAT PERMIT RECORDING ON THE GROOVES AND LANDS, APPARATUS FOR MANUFACTURING SUCH A RECORD CARRIER, AND RECORDING AND/OR REPRODUCING APPARATUS FOR SUCH A RECORD CARRIER | Hideharu Eguchi, Atsushi Hosoda, Yasuhiro Ueki | 2002-10-29 |
| 6452710 | Optical element, optical control method and device using this optical element, and method of manufacturing optical element | Takashi Hiraga, Tetsuo Moriya, Norio Tanaka, Hiromitsu Yanagimoto, Koji TSUJITA | 2002-09-17 |
| 6355311 | Method for making an optical recording medium and an optical recording medium obtained by the method | Kouji Tsujita, Norio Tanaka | 2002-03-12 |