Issued Patents All Time
Showing 51–55 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4495429 | Limiter amplifier | Takashi Oda | 1985-01-22 |
| 4491978 | Portable radio receiver with high antenna gain | Daisuke Ishii | 1985-01-01 |
| 4382256 | Paging receiver with display | — | 1983-05-03 |
| 4380832 | Portable radio communication device having signal processing circuit with presetting function | Shinjiro Umetsu | 1983-04-19 |
| 4288517 | Toner for electrostatic photography containing resin coated silica particles | Seiji Arimatsu, Katsukiyo Ishikawa, Yasusi Umeda | 1981-09-08 |