Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6738877 | Access control method, storage apparatus and storage medium | Teruji Yamakawa | 2004-05-18 |
| 6687194 | Optical storing apparatus and reproducing method for correcting read errors | Shinya Kobayashi, Shigenori Yanagi, Teruji Yamakawa | 2004-02-03 |