Ishiwata; Junichi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ishiwata; Junichi.The latest application filed is for "electronic equipment selectively storing a frequently used conversion function".
- Ishiwata; Junichi - Shimomaruko Ohta-ku JP
- Ishiwata; Junichi - Yokohama JP
- Ishiwata; Junichi - Tokyo JA
| Patent | Date |
|---|---|
| Electronic equipment selectively storing a frequently used conversion function Grant 4,686,643 - Ishiwata August 11, 1 | 1987-08-11 |
| Electronic equipment having a second function keying system Grant 4,481,598 - Ishiwata November 6, 1 | 1984-11-06 |
| Solar cell power supply device Grant 4,449,057 - Ishiwata May 15, 1 | 1984-05-15 |
| Shaped quartz crystal resonator Grant 4,017,753 - Ishiwata , et al. April 12, 1 | 1977-04-12 |
| Voltage regulator including an LED to provide a reference voltage Grant 3,947,753 - Gushima , et al. March 30, 1 | 1976-03-30 |
| Holder device for a vibrator Grant 3,909,641 - Ohshima , et al. September 30, 1 | 1975-09-30 |
| Display Device For Use In A Desk Top Calculator Grant 3,812,489 - Hirano , et al. May 21, 1 | 1974-05-21 |
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