Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7804750 | Test disc and drive verification method | Morio Nakatani | 2010-09-28 |
| 7643394 | Optical disk, optical disk recording method, and optical disk recording apparatus | Yutaka Kashihara, Hideki Takahashi, Akihito Ogawa, Yutaka Yamanaka, Shigeru Shimonou +3 more | 2010-01-05 |
| 7492697 | Optical disc recording method and apparatus | Tsuyoshi Yamamoto, Masato Fuma, Yutaka Yamanaka, Tatsunori Ide, Shigeru Shimonou +3 more | 2009-02-17 |
| 7149164 | Optical disc apparatus for processing data according to different optical disc standards to achieve higher recording density | Akira Tsukihashi | 2006-12-12 |
| 7102974 | Optical head optical output setting method and optical disk recording apparatus | Akira Tsukihashi, Yasushi Hanamoto | 2006-09-05 |
| 7023774 | Optical disc device capable of recording or reading with high efficiency | — | 2006-04-04 |
| 6731576 | Optical disk recording apparatus in which data recording on the disk is suspended when stored data to be recorded falls below a predetermined amount and in which the number of suspensions is counted | — | 2004-05-04 |
| 6728802 | Control method of optical disk recording/reproducing apparatus | Akira Tsukihashi | 2004-04-27 |
| 6560180 | Disk storage device | Akira Tsukihashi, Tsuyoshi Yamamoto | 2003-05-06 |
| 6532504 | System for data transmission to recording device | — | 2003-03-11 |