Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6057630 | Surface acoustic wave device | Takashi Shiba, Katsumi Itoh, Akitsuna Yuhara | 2000-05-02 |
| 5539710 | Video optical disk system compatible with both read only and writable optical disks having the same recording format | Nobuhiro Tokushuku, Masaaki Kurebayashi, Kouichi Moritani, Katsuo Konishi, Katsuyuki Tanaka +2 more | 1996-07-23 |
| 4996682 | Optical information medium having paired wobble pitts with continuous groove therebetween | Nobuhiro Tokushuku | 1991-02-26 |
| 4991163 | Optical information medium with sample mark area and multiple transcription prevention | Nobuhiro Tokushuku, Katashi Hazama, Masaki Yoshii, Naotake Ebinuma | 1991-02-05 |
| 4799118 | Thin film magnetic head | Masamichi Yamada, Masaaki Kurebayashi, Masakatsu Saito, Katsuo Konishi, Toshio Tsuchiya | 1989-01-17 |
| 4396851 | Surface acoustic wave device | Kiyoharu Kishimoto, Katashi Hazama | 1983-08-02 |
| 4201964 | Elastic surface wave device | Yoshihiko Noro, Katashi Hazama, Jun Yamada, Michiyori Miura | 1980-05-06 |