Issued Patents All Time
Showing 25 most recent of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12328928 | Semiconductor element unit and method of manufacturing thereof, semiconductor element unit supply substrate, and semiconductor packaging circuit and method of manufacturing thereof | Yuuki SHINOHARA, Takahito Suzuki, Kenichi TANIGAWA, Hironori FURUTA, Yusuke Nakai +5 more | 2025-06-10 |
| 12191292 | Composite integrated film, composite integrated film supply wafer, and semiconductor composite device | Takuma Ishikawa, Takahito Suzuki, Kenichi TANIGAWA, Hironori FURUTA, Yusuke Nakai +5 more | 2025-01-07 |
| 11714381 | Humidity detection device and image forming apparatus | — | 2023-08-01 |
| 9915908 | Image forming apparatus with varying heater voltage | — | 2018-03-13 |
| 9880498 | Heater control device and image formation apparatus | Shuichi Suzuki | 2018-01-30 |
| 9746812 | Power supply unit and image forming apparatus | — | 2017-08-29 |
| 9740158 | Power supply unit and image forming apparatus | — | 2017-08-22 |
| 9625862 | Heater control device and image forming apparatus | — | 2017-04-18 |
| 9477185 | Heater control unit and image forming apparatus | Eiji Wagatsuma, Akira Hagiwara | 2016-10-25 |
| 9250590 | Power supply device and image formation apparatus | — | 2016-02-02 |
| 9141019 | Power-supply device and image formation apparatus | — | 2015-09-22 |
| 9063717 | Power supply apparatus and image formation apparatus | — | 2015-06-23 |
| 9007785 | Power supply, image forming device, and piezoelectric transducer control method | — | 2015-04-14 |
| 8971751 | Piezoelectric transducer driver, power supply device, and image formation apparatus | — | 2015-03-03 |
| 8948642 | High-voltage power-supply apparatus, and image formation apparatus | — | 2015-02-03 |
| 8476889 | Piezoelectric transformer driving device controlled by variable reference voltage values and image forming device | — | 2013-07-02 |
| 8350550 | Power unit using computed frequency ratio and image forming apparatus | — | 2013-01-08 |
| 8319395 | Power supply device and image forming apparatus | Akira Hagiwara | 2012-11-27 |
| 8265511 | Power source device and image forming apparatus | Masao Yaji, Akira Hagiwara | 2012-09-11 |
| 8174200 | Piezoelectric transformer driving device, cold-cathode tube inverter, cold-cathode tube driving device, and image forming apparatus | Masao Yaji, Akira Hagiwara | 2012-05-08 |
| 5826118 | Camera having a controller to determine a reference position of a lens barrel | Masayuki Koga | 1998-10-20 |
| 5819119 | Camera with a visual line position detection device and method | Kazuharu Imafuji, Hidehiro Ogawa, Yoshio Matsuzawa | 1998-10-06 |
| 5809373 | Image forming apparatus which back-transfers residual toner from an intermediate transfer member to a photosensitive drum | Yasuo Yoda, Katsuhiko Nishimura, Koichi Hiroshima, Shinichi Tsukida | 1998-09-15 |
| 5764006 | Motor driving circuit and method for driving two motors | Tatsuo Amanuma | 1998-06-09 |
| 5765052 | Camera with plurality of camera modes and methods | Hidehiro Ogawa, Kazuharu Imafuji | 1998-06-09 |