Issued Patents 2002
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6493295 | Information recording apparatus | Harukazu Miyamoto, Yoshio Suzuki, Motoyuki Suzuki, Hisataka Sugiyama, Hiroyuki Minemura +1 more | 2002-12-10 |
| 6490233 | Optical reproducing method | Harukazu Miyamoto, Yoshio Suzuki, Motoyuki Suzuki, Hisataka Sugiyama, Hiroyuki Minemura +1 more | 2002-12-03 |
| 6438078 | Optical disc apparatus and method thereof | Shigeki Yamazaki, Hiroyuki Minamura, Hisataka Sugiyama, Makoto Itagaki | 2002-08-20 |
| 6388986 | Information recording medium having wobbled groove structure | Harukazu Miyamoto, Yoshio Suzuki, Motoyuki Suzuki, Hisataka Sugiyama, Hiroyuki Minemura +1 more | 2002-05-14 |
| 6388987 | Information recording medium having wobbled groove structure and plural zones | Harukazu Miyamoto, Yoshio Suzuki, Motoyuki Suzuki, Hisataka Sugiyama, Hiroyuki Minemura +1 more | 2002-05-14 |
| 6345023 | Optical disc apparatus with different frequencies of wobble signal and clock signal for rotation control | Toshimitsu Kaku, Toshiaki Ishibashi, Atsushi Saito | 2002-02-05 |