Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8688587 | Content recording apparatus, method for controlling the content recording apparatus, and recording program for the content recording apparatus | Miki Shimizu | 2014-04-01 |
| 6992959 | Optical disk, method of reproducing and copying optical disk, and method of preventing illegal use of optical disk | Yoshihiro Tosaki, Tsutomu Kai, Shinji Inoue | 2006-01-31 |
| 6791937 | Recordable optical disk | Yoshihiro Tosaki, Masaru Odagiri, Shinichi Tanaka | 2004-09-14 |
| 6682650 | Zeolite catalyst carrier and hydrogenation catalyst using same | Kosaku Honna, Yasuhiro Araki, Yasuo Miki | 2004-01-27 |
| 6614749 | Recordable optical disk | Yoshihiro Tosaki, Masaru Odagiri, Shinichi Tanaka | 2003-09-02 |
| 6606290 | Recordable optical disk | Yoshihiro Tosaki, Masaru Odagiri, Shinichi Tanaka | 2003-08-12 |
| 6603731 | Recordable optical disk | Yoshihiro Tosaki, Masaru Odagiri, Shinichi Tanaka | 2003-08-05 |
| 6603732 | Recordable optical disk | Yoshihiro Tosaki, Masaru Odagiri, Shinichi Tanaka | 2003-08-05 |
| 6597649 | Recordable optical disk | Yoshihiro Tosaki, Masaru Odagiri, Shinichi Tanaka | 2003-07-22 |
| 6597654 | Recordable optical disk | Yoshihiro Tosaki, Masaru Odagiri, Shinichi Tanaka | 2003-07-22 |
| 6590846 | Recordable optical disk | Yoshihiro Tosaki, Masaru Odagiri, Shinichi Tanaka | 2003-07-08 |
| 5231546 | Recording and reproducing apparatus with limited digital copying | — | 1993-07-27 |
| 5185792 | Recording and reproducing apparatus with limited digital copying | — | 1993-02-09 |
| 5130864 | Digital recording and reproducing apparatus or digital recording apparatus | — | 1992-07-14 |
| 5057947 | Recording and reproducing apparatus with limited digital copying | — | 1991-10-15 |