Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6818856 | Laser machining apparatus | Etsuo Yamazaki, Motohiko Sato | 2004-11-16 |
| 6819644 | Optical disc recording method and apparatus | Takashi Sasaki, Munetoshi Moriichi, Mitsuyuki Bamba | 2004-11-16 |
| 6790152 | Vehicle front and rear wheels drive system and clutch changeover method | Yasuji Shibahata, Takehiko Furuya | 2004-09-14 |
| 6771414 | Optical fiber amplifier and optical communication system using the same | Hiroji Masuda, Makoto Shimizu | 2004-08-03 |
| 6745112 | Method of estimating quantities that represent state of vehicle | — | 2004-06-01 |