Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11137595 | Light deflection device, image projector, laser head lamp, and mobile object | Akitoshi Mochida | 2021-10-05 |
| 10401768 | Signal level, adjustment apparatus, phase detection apparatus, motor drive controller, conveyer, image forming apparatus, and signal level adjustment method | Tetsuroh Tatebe | 2019-09-03 |
| 10326387 | Phase detecting device, motor system, image forming apparatus, conveyance device, and sensor level obtaining method | — | 2019-06-18 |
| 9983503 | Semiconductor laser driver and image forming apparatus incorporating same | — | 2018-05-29 |
| 9882242 | Angle detecting device, motor drive controlling device, motor device and method of controlling an angle detecting device | Katsuhisa Furuse | 2018-01-30 |
| 9682835 | Phase detector, motor drive controller, motor apparatus, sheet feeder, and method of detecting phase | — | 2017-06-20 |
| 9515587 | Phase detector, motor drive controller, motor device, and method of detecting phase of rotor | — | 2016-12-06 |
| 9515641 | Voltage level detector, motor drive controller, motor apparatus, and method of detecting voltage level | Hironobu Tani | 2016-12-06 |
| 9281936 | Phase detector, motor drive controller, motor device, and method of detecting phase of rotor | — | 2016-03-08 |
| 8872453 | Motor drive controller and control method | Haruyuki Suzuki, Fumihiro Shimizu, Katsuhisa Furuse | 2014-10-28 |
| 8866421 | Motor drive controller and control method | Haruyuki Suzuki, Fumihiro Shimizu, Katsuhisa Furuse | 2014-10-21 |
| 8860346 | Angle detection device, motor driving device, and image forming apparatus | Fumihiro Shimizu, Haruyuki Suzuki, Katsuhisa Furuse | 2014-10-14 |
| 8804784 | Semiconductor laser driving device and image forming apparatus having the semiconductor laser driving device | — | 2014-08-12 |
| 8755419 | Laser diode drive circuit | — | 2014-06-17 |
| 8654166 | Receiving device, driving unit, and image forming apparatus | — | 2014-02-18 |
| 8587346 | Driving circuit and electronic device using the same | — | 2013-11-19 |
| 8576886 | Laser diode drive circuit and image forming apparatus incorporating same | — | 2013-11-05 |
| 8576887 | Semiconductor laser driving unit, optical scanner having semiconductor laser driving unit, and image forming apparatus | Katsuhisa Furuse | 2013-11-05 |
| 8559476 | Semiconductor laser driver and image forming apparatus incorporating same | — | 2013-10-15 |
| 8526474 | Multi-beam laser power control circuit and image forming apparatus using the same | — | 2013-09-03 |
| 8483250 | Semiconductor laser driving device and image forming apparatus having the same | — | 2013-07-09 |
| 8248140 | Semiconductor device for detecting power supply voltage | — | 2012-08-21 |
| 7940036 | Voltage comparison circuit, and semiconductor integrated circuit and electronic device having the same | — | 2011-05-10 |
| 7856039 | Semiconductor device and semiconductor laser driving device | — | 2010-12-21 |
| 7693196 | Semiconductor laser driving unit and image forming apparatus having the same | Hiroaki Kyogoku | 2010-04-06 |