Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6850470 | Optical disc apparatus and method thereof | Shigeki Yamazaki, Hisataka Sugiyama, Tetsuya Fushimi, Makoto Itagaki | 2005-02-01 |
| 6438078 | Optical disc apparatus and method thereof | Shigeki Yamazaki, Hisataka Sugiyama, Tetsuya Fushimi, Makoto Itagaki | 2002-08-20 |
| 6301210 | Optical disc apparatus and method thereof | Shigeki Yamazaki, Hisataka Sugiyama, Tetsuya Fushimi, Makoto Itagaki | 2001-10-09 |
| 6091678 | Method and apparatus for detecting position of alternated land and groove of information recording medium | Tetsuya Fushimi, Toru Kawashima, Hisataka Sugiyama, Yoshio Suzuki, Hisamitsu Tanaka | 2000-07-18 |