Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7227654 | Method and apparatus for group 3 facsimile capable of properly performing a communications operation using optional frames | — | 2007-06-05 |
| 6224021 | Thrust control apparatus and method for an airplane | — | 2001-05-01 |
| 6097796 | Communications terminal apparatus capable of detecting wide range of busy tones through telephone line | — | 2000-08-01 |
| 5829254 | Supercharging pressure control device | Takashi Hayashi | 1998-11-03 |
| 5810560 | Control system for non-linear control of a speed setting and a throttle valve in an aircraft engine | — | 1998-09-22 |
| 5372112 | Device for controlling a multi-cylinder engine | Yukio Ohtaka, Kazuhiro Sakurai, Yutaka Obuchi, Takashi Mori | 1994-12-13 |
| 5363652 | Air/fuel ratio control device of a turbocharged engine | Yukio Ohtake, Yutaka Ohbuchi | 1994-11-15 |
| 5159465 | Facsimile machine having a transmission speed selective shiftdown function | Koichiro Maemura | 1992-10-27 |
| 5140439 | Facsimile communication method and facsimile machine | — | 1992-08-18 |
| 5105423 | Digital transmission device having an error correction mode and method for shifting down a data transmission rate | Yuichi Saito | 1992-04-14 |
| 5077742 | Error-corrected facsimile communication control system | Naoki Tsumura, Takeshi Ukegawa | 1991-12-31 |
| 4800574 | Digital modulator/demodulator including non-linear analog-to-digital converter and circuitry compensating for the non-linearity of the converter | Toshiaki Tanigawa, Mitsuru Kaga | 1989-01-24 |
| 4679208 | Equalization system tuning device which updates equalizer coefficients based on selected decision regions | — | 1987-07-07 |
| 4608703 | Synchronization detection system for data transmission | Mitsuru Kaga | 1986-08-26 |