Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11953841 | Image forming apparatus provided with charging roller | — | 2024-04-09 |
| 11831281 | Semiconductor integrated circuit | — | 2023-11-28 |
| 11674857 | Semiconductor device and capacitance sensor device | — | 2023-06-13 |
| 11635309 | Semiconductor device and capacitance sensor circuit | — | 2023-04-25 |
| 11368128 | Capacitance sensor circuit and semiconductor integrated circuit | — | 2022-06-21 |
| 10673326 | Semiconductor device including boosting circuit with plural pump circuits | — | 2020-06-02 |
| 10366764 | Sense amplifier for detecting data read from memory cell | — | 2019-07-30 |
| 9983532 | Image forming apparatus with density measuring portion | Ginga Nakamura, Takashi Kitagawa | 2018-05-29 |
| 9928921 | Non-volatile memory, semiconductor device and reading method | — | 2018-03-27 |
| 9602003 | Voltage regulator, semiconductor device, and voltage generation method for voltage regulator | — | 2017-03-21 |
| 9461056 | Non-volatile memory and semiconductor device | — | 2016-10-04 |
| 9368227 | Semiconductor device and test method | — | 2016-06-14 |
| 9293219 | Non-volatile memory, semiconductor device and reading method | — | 2016-03-22 |
| 9202589 | Non-volatile memory and semiconductor device | — | 2015-12-01 |
| 8848416 | Semiconductor storage device with wiring that conserves space | — | 2014-09-30 |
| 8660448 | Image forming apparatus and image forming method | Takashi Kitagawa, Motoyuki Itoyama | 2014-02-25 |
| 8625162 | Image processing apparatus and image forming apparatus with a toner density correction function | Norihide Yasuoka, Masaya Fujitani, Katsuhiro Nagayama, Takashi Kitagawa | 2014-01-07 |
| 8264755 | Image forming apparatus and image forming method | Katsuhiro Nagayama, Takashi Kitagawa | 2012-09-11 |
| 8081891 | Image quality adjustment method, image forming apparatus and computer readable medium | — | 2011-12-20 |
| 8078069 | Image forming apparatus and image forming method | Katsuhiro Nagayama, Takashi Kitagawa | 2011-12-13 |
| 8019242 | Image forming apparatus and image forming method for suppressing fluctuation of formed images | Takashi Kitagawa, Katsuhiro Nagayama | 2011-09-13 |
| 7920801 | Image forming apparatus and method for controlling image forming apparatus | Katsuhiro Nagayama, Takashi Kitagawa | 2011-04-05 |
| 7889365 | Image forming apparatus | Takashi Kitagawa, Katsuhiro Nagayama | 2011-02-15 |
| 7657194 | Image forming apparatus and toner supply control program for the same | Tatsuya Tanaka, Katsuhiro Nagayama, Takashi Kitagawa | 2010-02-02 |
| 7034605 | Internal step-down power supply circuit | Teruhiro Harada | 2006-04-25 |