Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7729217 | Optical disc device for recording and reproducing information on and from a write-once-type disc using laser light | Noboru Mamiya, Kenji Nakao, Satoshi Sumi, Koichi Kawakami | 2010-06-01 |
| 7564751 | Laser power adjustment method and optical recording and reproduction apparatus | Noboru Mamiya, Kenji Nakao | 2009-07-21 |
| 7548496 | Optical recording and reproducing apparatus | Kenji Nakao, Noboru Mamiya | 2009-06-16 |
| 7505384 | Optical recording and reproducing apparatus | Kenji Nakao, Noboru Mamiya | 2009-03-17 |
| 7428198 | Optical disc device | Kenji Nakao, Noboru Mamiya, Satoshi Sumi | 2008-09-23 |
| 7327651 | Optical disc device | Kenji Nakao, Noboru Mamiya, Satoshi Sumi | 2008-02-05 |
| 6480444 | Optical disk device | Koichi Tada, Shinichi Ohe, Naoyuki Takagi, Shuichi Ichiura, Hiroshi Watanabe | 2002-11-12 |
| 6477122 | Optical disk device | Koichi Tada, Shinichi Ohe, Naoyuki Takagi, Shuichi Ichiura, Hiroshi Watanabe | 2002-11-05 |
| 6466527 | Optical disk device | Koichi Tada, Shinichi Ohe, Naoyuki Takagi, Shuichi Ichiura, Hiroshi Watanabe | 2002-10-15 |
| 6459662 | Optical disk device | Koichi Tada, Shinichi Ohe, Naoyuki Takagi, Shuichi Ichiura, Hiroshi Watanabe | 2002-10-01 |
| 6370093 | Optical disc device | Koichi Tada, Shinichi Ohe, Naoyuki Takagi, Shuichi Ichiura, Hiroshi Watanabe | 2002-04-09 |