Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5936932 | Optical recording medium having ID part shifting from the center of groove tracks | Kazuhiko Nakane, Hiroyuki Ohata, Masato Nagasawa, Yoshinobu Ishida | 1999-08-10 |
| 5933410 | Optical disc and optical disc driving apparatus | Kazuhiko Nakane, Hiroyuki Ohata, Masato Nagasawa, Yoshinobu Ishida, Isao Satoh +3 more | 1999-08-03 |
| 5878868 | Object inspection apparatus | Noriyuki Ohuchi | 1999-03-09 |
| 5838658 | Optical disc | Kazuhiko Nakane, Hiroyuki Ohata, Masato Nagasawa, Yoshinobu Ishida, Isao Satoh +3 more | 1998-11-17 |