Issued Patents 2004
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6831278 | System and method for electron beam irradiation | Hiroshi Kawase, Jun Sasaki, Minoru Takeda, Gakuo Komatsubara, Mitsuru Koizumi +2 more | 2004-12-14 |
| 6801490 | Optical recording medium, device and method for recording optical recording medium, and device and method for reproducing optical recorded medium | Yoichiro Sako | 2004-10-05 |
| 6788635 | Optical recording medium, optical recording method, optical reproducing method, optical recording device, optical reproducing device, and optical recording/reproducing device | Katsuhisa Aratani, Seiji Kobayashi | 2004-09-07 |
| 6737660 | Electron beam irradiation apparatus and electron beam irradiating method | Yoshihisa Miura, Yuichi Aki, Hiroshi Kawase, Naoki Date, Setsuo Norioka +2 more | 2004-05-18 |
| 6738323 | Optical disc apparatus and focusing control method in an optical disc apparatus | Shingo Imanishi | 2004-05-18 |
| 6700845 | Multi-layer optical recording medium and method and apparatus for reproducing optical data | Yoichiro Sako, Takao Ihashi, Tatsuya Inokuchi, Hiroshi Ogawa | 2004-03-02 |