Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12332584 | Image forming apparatus having toner replenishment | Masayuki Sakai | 2025-06-17 |
| 12276271 | Fluid control device | Masahiro Sasaki | 2025-04-15 |
| 11846897 | Image forming apparatus having toner replenishment | Masayuki Sakai | 2023-12-19 |
| 11795933 | Piezoelectric pump having a heat-dissipating arrangement | Yoshio YAMANAKA, Masahiro Sasaki, Kenjiro Okaguchi, Shizuka Ueda | 2023-10-24 |
| 11352225 | Image forming apparatus | — | 2022-06-07 |
| 11313076 | Transfer paper | — | 2022-04-26 |
| 11286128 | Sheet detecting apparatus and image forming apparatus | — | 2022-03-29 |
| 11112742 | Image forming apparatus to detect widths of recording material | — | 2021-09-07 |
| 10379487 | Apparatus for determining whether door is open or closed and image forming apparatus | Daisuke Miyagawa | 2019-08-13 |
| 10246822 | Textile printing paper for use in paper printing method | — | 2019-04-02 |
| 10221526 | Textile printing paper for use in paper printing method | — | 2019-03-05 |
| 10214853 | Textile printing paper for use in paper printing method | — | 2019-02-26 |
| 9356525 | Power supply device and image forming apparatus | — | 2016-05-31 |
| 9306453 | DC/DC converter and an image forming apparatus to which a power is supplied from the DC/DC converter | — | 2016-04-05 |
| 9274491 | Power supply apparatus and image forming apparatus | — | 2016-03-01 |
| 9210756 | Power supply device and luminaire | Koji Takahashi, Hiroyuki Kudo | 2015-12-08 |
| 9167653 | Power supply device and luminaire | Koji Takahashi, Hiromichi Nakajima, Kenji Sakai, Hiroyuki Kudo, Hirokazu Otake +7 more | 2015-10-20 |
| 9093913 | Switching power supply with detection of the AC input voltage | — | 2015-07-28 |
| 9033388 | Pillar trim structure | Kenta Gemma | 2015-05-19 |
| 8980791 | Thermal recording material and method for producing the same | — | 2015-03-17 |
| 8903263 | Switching power supply device using switching regulator | — | 2014-12-02 |
| 8890498 | Driving circuit to turn off switching element by voltage from voltage storage unit and converter including driving circuit | — | 2014-11-18 |
| 8718504 | Converter and switching power supply for turning on switching unit according to decline of input voltage, and image forming apparatus including the switching power supply | — | 2014-05-06 |
| 8623785 | Thermal recording material and method for producing the same | Nobuko Takahama, Takao Masuda, Yoshimi Ikezawa, Takahito Ochiai, Yohei Uesugi | 2014-01-07 |
| 8605468 | Switching power supply and image forming apparatus with EMF reduction of the current sense circuit | — | 2013-12-10 |