Issued Patents All Time
Showing 25 most recent of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12424991 | Current source circuit and electronic device | Masahiro Ichihashi, Kazumasa Nishimura, Tetsuya Tashiro, Nobuhiko Shigyo | 2025-09-23 |
| 11502647 | Amplifier | Kazumasa Nishimura, Masahiro Ichihashi, Kenya Kondou, Tetsuya Tashiro, Boyang Hao +1 more | 2022-11-15 |
| 11271476 | Power supply circuit comprising a charge pump circuit and a feedback circuit for the charge pump circuit | Masahiro Ichihashi, Kenya Kondou, Kazumasa Nishimura, Syou Mitsuishi, Toshio Suzuki +2 more | 2022-03-08 |
| 11169563 | Semiconductor circuit apparatus and system equipped with semiconductor circuit apparatus | Takanori Saeki, Tatsuya Shirakawa, Yoshinori Tanaka | 2021-11-09 |
| 11165343 | Power supply circuit and power supply apparatus | Masahiro Ichihashi, Kenya Kondou, Kazumasa Nishimura, Syou Mitsuishi, Toshio Suzuki +2 more | 2021-11-02 |
| 9264096 | Receiver | Daisuke Arima, Katsuyuki Tanaka | 2016-02-16 |
| 9200844 | Rotary agitation type heat treatment apparatus | Hiromitsu Suzuki, Takahiro Goto | 2015-12-01 |
| 9197824 | Image pickup unit, method of driving image pickup unit, and image pickup display system | Yuichiro Minami, Michiru Senda, Tsutomu Harada | 2015-11-24 |
| 8970312 | Differential ring oscillation circuit, device, and oscillation control method | Kenichi Maruko | 2015-03-03 |
| 7631030 | Sine wave multiplication circuit and sine wave multiplication method | — | 2009-12-08 |
| 7619473 | Fully-differential amplifier | Hiroshi Tanimoto | 2009-11-17 |
| 7522691 | Phase-locked circuit | — | 2009-04-21 |
| 7123175 | Angle detection apparatus computing phase differences between first and second phase angles | Asako Toda, Yuichi Takagi, Hiroshi Kushihara | 2006-10-17 |
| 7019567 | Sine wave generation circuit | — | 2006-03-28 |
| 6873830 | Bias circuit and radio communication apparatus using same | Hideshi Motoyama | 2005-03-29 |
| 6798300 | Oscillator and PLL circuit using the same | Yoshihiro Komatsu, Kenji Hiromoto, Tsuyoshi Kousaka, Ping Li | 2004-09-28 |
| 6597650 | Nonlinearity compensation circuit and method, control circuit and method for nonlinearity compenstation circuit and recording and/or playback apparatus employing the same | Junkichi Sugita, Norio Shoji, Masato Sekine, Kimimasa Senba, Katsuhisa Daio | 2003-07-22 |
| 6160534 | Liquid crystal display drive circuit and liquid crystal display | — | 2000-12-12 |
| 6154192 | Liquid crystal display device and data line drive circuit of liquid crystal display device | Yuichi Takagi, Genichiro Ohga | 2000-11-28 |
| 6104626 | Analog value memory circuit | Masashi Takeda | 2000-08-15 |
| 6081166 | Voltage controlled oscillator including a plurality of buffer circuits diodes, current sources, MIS capacitors | — | 2000-06-27 |
| 6075413 | Amplifier circuit and control signal generator | — | 2000-06-13 |
| 6005445 | Phase adjustment circuit including a ring oscillator in a phase locked loop | — | 1999-12-21 |
| 5999462 | Clock generation circuit for analog value memory circuit | Masashi Takeda | 1999-12-07 |
| 5999049 | Differential amplifier circuit having non-linerity cancellation feature | — | 1999-12-07 |