Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11333991 | Transfer unit and image-forming apparatus to increase a ratio of filled toner volume to a toner container volume | Norihiro Matsumoto, Takehiro Hayashi, Takeo Kawanami, Yuichiro Inaba | 2022-05-17 |
| 11054758 | Transfer unit and image-forming apparatus to increase a ratio of filled toner volume to toner container volume | Norihiro Matsumoto, Takehiro Hayashi, Takeo Kawanami, Yuichiro Inaba | 2021-07-06 |
| 10359718 | Image forming apparatus | Takeo Kawanami, Noritomo Yamaguchi | 2019-07-23 |
| 10289025 | Image forming apparatus for electrophotographic processing utilizing varying surface speeds | Tsuguhiro Yoshida, Shinji Katagiri, Takeo Kawanami | 2019-05-14 |
| 9921525 | Image forming apparatus | Takeo Kawanami, Noritomo Yamaguchi | 2018-03-20 |
| 9304083 | Optical detection device and image forming apparatus including the same | Keisuke Ishizumi, Shinsuke Kobayashi, Takeo Kawanami, Ken Nakagawa | 2016-04-05 |