Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6438098 | Optical recording medium, media tracking method and recording/reproducing apparatus | Junsaku Nakajima, Hitoshi Takeuchi | 2002-08-20 |
| 6434440 | Production estimate management system | Yoshiharu Teranishi, Hajime Ogawa, Yoshikazu Narita, Toshiyuki Matsume | 2002-08-13 |