Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5436876 | Optical head and optical memory device | Osamu Yokoyama, Masatoshi Yonekubo, Hideaki Iwano, Hidefumi Sakata, Takashi Takeda +1 more | 1995-07-25 |
| 4801499 | Optical recording medium | Akira Aoyama, Mamoru Sugimoto | 1989-01-31 |
| 4779250 | Magneto-optical signal read-out system using divided photodetector | Masatoshi Yonekubo | 1988-10-18 |
| 4750152 | Optical read/write device | Masatoshi Yonekubo | 1988-06-07 |
| 4453105 | Mode coupled quartz crystal tuning fork | — | 1984-06-05 |
| 4410827 | Mode coupled notched tuning fork type quartz crystal resonator | — | 1983-10-18 |
| 4377765 | Mode coupled tuning fork type quartz crystal vibrator and method of tuning | Eishi Momosaki, Minoru Inoue | 1983-03-22 |
| 4356425 | Electrode for tuning fork type quartz crystal vibrator | Eishi Momosaki, Minoru Inoue | 1982-10-26 |
| 4320320 | Coupled mode tuning fork type quartz crystal vibrator | Eishi Momosaki, Minoru Inoue | 1982-03-16 |
| 4191906 | Tuning fork type quartz crystal resonator with notched tines | — | 1980-03-04 |