Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5825346 | Method for driving electro-optical display device | — | 1998-10-20 |
| 5789983 | High-frequency amplifier having variable gain in response to input power level | — | 1998-08-04 |
| 5367357 | Instant photocopying apparatus | Hiroshi Sudo, Tadahiko Yamaoka, Hajime Oda, Hiroaki Ishida | 1994-11-22 |
| 5202600 | Piezoelectric device and related converting devices | Shinichi Okamoto, Hirokazu Ono | 1993-04-13 |
| 5187402 | Piezoelectric device and related converting devices | Shinichi Okamoto, Hirokazu Ono | 1993-02-16 |
| 5148074 | Piezoelectric device and related converting devices | Shinichi Okamoto, Hirokazu Ono | 1992-09-15 |
| 5126614 | Piezoelectric device and related converting devices | Shinichi Okamoto, Hirokazu Ono | 1992-06-30 |
| 5122787 | Ferroelectric liquid crystal touch panel | Shinichi Okamoto, Hirokazu Ono | 1992-06-16 |
| 5105116 | Piezoelectric transducer and sound-generating device | Shinichi Okamoto, Hirokazu Ono | 1992-04-14 |
| 5093742 | Ferro-electric liquid-crystal panel having a chiral-nematic mesophase in a phase translation system | Shinichi Okamoto, Hirokazu Ono | 1992-03-03 |
| 5006839 | Method for driving a liquid crystal optical apparatus | — | 1991-04-09 |
| 4914730 | Display device having plural groups of interconnected segment electrodes | — | 1990-04-03 |
| 4834510 | Method for driving a ferroelectric liquid crystal optical apparatus using superposed DC and AC driving pulses to attain intermediate tones | — | 1989-05-30 |
| 4429304 | Display driving device | — | 1984-01-31 |
| 4407587 | Electronic timer | — | 1983-10-04 |
| 4382697 | Electronic timepiece | — | 1983-05-10 |
| 4355381 | Electronic timepiece with electro-optic display | Yoshihito Owa | 1982-10-19 |
| 4310909 | Analog electronic timepiece | — | 1982-01-12 |
| 4279029 | Electronic timepiece | Hajime Oda, Nakanobu Moritani | 1981-07-14 |
| 4244042 | Alarm timepiece | Toshihide Samejima, Nakanobu Moritani, Hajime Oda | 1981-01-06 |
| 4211067 | Time adjusting device for electronic timepiece | Hajime Oda, Toshihide Samejima, Toshio Matsumura, Nakanobu Moritani | 1980-07-08 |
| 4209975 | Time adjusting means for electronic timepiece | Nakanobu Moritani, Toshihide Samejima, Toshio Matsumura, Hajime Oda | 1980-07-01 |
| 4186395 | Method of driving a liquid crystal display apparatus | Hajime Oda | 1980-01-29 |