Hirayama; Hiromitsu
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hirayama; Hiromitsu.The latest application filed is for "semiconductor integrated circuit device having logic level conversion circuit".
- Hirayama; Hiromitsu - Tokyo JP
- Hirayama; Hiromitsu - Funabashi JP
| Patent | Date |
|---|---|
| Semiconductor integrated circuit device having logic level conversion circuit Grant 5,323,071 - Hirayama June 21, 1 | 1994-06-21 |
| Driving circuit for driving a piezoelectric vibrator Grant 4,939,402 - Hirayama , et al. July 3, 1 | 1990-07-03 |
| Ultrasonic wave nebulizer Grant 4,850,534 - Takahashi , et al. July 25, 1 | 1989-07-25 |
| Logic integrated circuit device formed on compound semiconductor substrate Grant 4,743,957 - Hirayama May 10, 1 | 1988-05-10 |
| Discharge lamp lightening device Grant 4,547,705 - Hirayama , et al. October 15, 1 | 1985-10-15 |
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