Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9157990 | Ultrasonic transmitting/receiving circuit and ultrasonic diagnostic apparatus | Atsushi Suzuki, Mitsuhiro Oshiki, Kanako Hatayama | 2015-10-13 |
| 9022941 | Ultrasonic diagnostic apparatus and carrier signal generating circuit | Kanako Hatayama | 2015-05-05 |
| 9007872 | Ultrasonic diagnostic apparatus and method thereof | Mitsuhiro Oshiki, Atsushi Suzuki, Kanako Hatayama | 2015-04-14 |
| 8579823 | Ultrasonic diagnostic apparatus and ultrasonic probe used in same | Katsunori Asafusa, Kousuke Kanbara | 2013-11-12 |
| 7005922 | Variable gain amplifier circuit and gain control method thereof | Takashi Oshima, Takeshi Doi, Irei Kyu | 2006-02-28 |
| 6927628 | Gain-control method and device for cascaded amplifiers | Takashi Oshima | 2005-08-09 |
| 6867936 | Driving circuit for a magnetic head and magnetic recording apparatus | Yasuyuki Ookuma, Yoichiro Kobayashi, Hiroyasu Yoshizawa | 2005-03-15 |
| 6734730 | Variable gain amplifier | Takeshi Doi | 2004-05-11 |
| 6717471 | Automatic gain adjustment circuit and amplifier using the same | Satoshi Arayashiki, Takeshi Doi | 2004-04-06 |
| 6573578 | Photo semiconductor integrated circuit device and optical recording reproducing apparatus | Shigeharu Kimura, Takeshi Doi, Yoichi Tamaki, Takeshi Shimano | 2003-06-03 |
| 6509854 | DA conversion circuit | Motohiko Morita | 2003-01-21 |
| 5041729 | Radiation detector and manufacturing process thereof | Tetsuhiko Takahashi, Minoru Yoshida, Hiroshi Takeuchi, Hideji Fujii, Haruo Itho +1 more | 1991-08-20 |
| 4982095 | Multi-element type radiation detector | Tetsuhiko Takahashi, Hirosh Takeuch, Toshikazu Shimada, Haruo Itoh, Tadaaki Hirai +3 more | 1991-01-01 |
| 4937579 | Method of converting analog signals into digital signals and system for carrying out the method | Masao Hotta, Shigeru Watanabe | 1990-06-26 |
| 4875048 | Two-step parallel analog to digital converter | Toshihiko Shimizu, Masao Hotta | 1989-10-17 |
| 4866444 | Analog-to-digital converter | Yoshito Nejime, Masao Hotta, Koichi Ono | 1989-09-12 |
| 4851845 | Encoder | Masao Hotta, Toshihiko Shimizu | 1989-07-25 |
| 4752766 | Analog to digital converter | Toshihiko Shimizu, Masao Hotta | 1988-06-21 |
| 4752767 | DA converter | Shinichi Hayashi, Masao Hotta | 1988-06-21 |
| 4733088 | Radiation detector | Hiromichi Yamada, Yasuo Tsukuda, Atsushi Suzuki, Hajime Yamamoto, Minoru Yoshida +1 more | 1988-03-22 |
| 4578646 | Integral-type small signal input circuit | Atsushi Moritani | 1986-03-25 |
| 4549166 | Digital-to-analog converter using a feedback element matching technique | Masao Hotta, Hiromi Nagaishi | 1985-10-22 |
| 4381495 | Digital-to-analog converter with error compensation | Masao Hotta, Norio Yokozawa, Hiromi Nagaishi | 1983-04-26 |
| 4340882 | D/A Conversion system with compensation circuit | Tsuneta Sudo | 1982-07-20 |
| 4316178 | Digital-to-analog conversion system with compensation circuit | Akinori Shibayama, Masao Hotta, Norio Yokozawa | 1982-02-16 |