Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4797695 | Electrophotographic recording system | Yutaka Kanai, Tetsuya Fujita | 1989-01-10 |
| 4709218 | Overtone crystal oscillator | Nakanobu Moritani, Mitsuyuki Sugita, Isamu Hoshino, Hirofumi Yanagi, Hitoshi Ikeno | 1987-11-24 |
| 4678313 | Electrophotographic recording apparatus | Yutaka Kanai, Tetsuya Fujita | 1987-07-07 |
| 4583059 | Adjustable frequency crystal oscillator with temperature compensation | — | 1986-04-15 |
| 4376919 | Circuitry for switching effective electrode area on a crystal in a crystal oscillator to vary the oscillation frequency | — | 1983-03-15 |
| 4370584 | Electrode configuration for thickness-shear mode piezoelectric vibrator | Hitoshi Ikeno, Mitsuyuki Sugita, Hirofumi Yanagi | 1983-01-25 |
| 4262227 | Thickness-shear piezo-electric vibrator with additional mass for mode suppression | Hitoshi Ikeno, Mitsuyuki Sugita, Hirofumi Yanagi | 1981-04-14 |
| 4211947 | Thickness-shear mode quartz oscillator with an added non-circular mass | Hitoshi Ikeno, Mitsuyuki Sugita, Hirobumi Yanagi | 1980-07-08 |