Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11262675 | Image forming apparatus | Masaaki Takahashi, Yoko Miyamoto, Noboru Hirakawa | 2022-03-01 |
| 11092908 | Image forming apparatus having a first forming mode for a first medium and a second forming mode for a second medium | Masaaki Yamaura, Kotaro Araki, Ayumi Noguchi | 2021-08-17 |
| 11086250 | Image forming apparatus having a first control mode for a first medium and a second control mode for a second medium having a lower transferability than the first medium | Masaaki Yamaura, Kotaro Araki, Ayumi Noguchi | 2021-08-10 |
| 11042110 | Image forming apparatus | Jun KUWABARA, Masaaki Yamaura | 2021-06-22 |
| 11029625 | Image forming apparatus | Kotaro Araki, Masaaki Yamaura, Yoshinori Takahashi, Ayumi Noguchi, Takeshi Yasuda +1 more | 2021-06-08 |
| 10955773 | Image forming apparatus having transfer section switching between a constant voltage control and constant current control | Masaaki Yamaura, Satoshi Shigezaki, Jun KUWABARA | 2021-03-23 |
| 10928772 | Image forming apparatus having a humidification section | Masaaki Yamaura, Jun KUWABARA | 2021-02-23 |
| 10895829 | Image forming apparatus | Jun KUWABARA, Masaaki Yamamura | 2021-01-19 |
| 10705444 | Image forming apparatus and image structure | Masaaki Yamaura, Jun KUWABARA | 2020-07-07 |
| 10635038 | Image forming apparatus | Masaaki Yamaura, Satoshi Shigezaki, Yoko Miyamoto, Noboru Hirakawa, Jun KUWABARA | 2020-04-28 |
| 10635048 | Transfer unit comprising alternating current bias and humidifying unit | Noboru Hirakawa, Yoko Miyamoto, Masaaki Takahashi, Koichiro Yuasa | 2020-04-28 |
| 10527973 | Image forming apparatus | Masaaki Yamaura, Satoshi Shigezaki, Toshiaki Baba, Jun KUWABARA | 2020-01-07 |
| 10423091 | Image forming apparatus for suppressing degradation in image quality | — | 2019-09-24 |
| 9785099 | Image forming apparatus | Masaaki Takahashi | 2017-10-10 |
| 9778587 | Image forming apparatus | Sho Watanabe | 2017-10-03 |
| 9772575 | Image forming apparatus and method, and non-transitory computer readable medium | Masaaki Yamaura, Satoshi Shigezaki, Yoshiki Shimodaira | 2017-09-26 |
| 9459578 | Image forming apparatus | Toko Hara, Kenji Sawai | 2016-10-04 |
| 9383689 | Image forming apparatus that transfers a first image formed using a toner containing a pigment other than a flat pigment and that transfers a second image formed using a toner containing a flat pigment | Miho Ikeda, Koichiro Yuasa, Kenji Sawai | 2016-07-05 |
| 9383690 | Transfer device and image forming apparatus | — | 2016-07-05 |
| 9367000 | Transfer device and image forming apparatus for transferring metallic toner particles | Sho Watanabe | 2016-06-14 |
| 9291959 | Image forming apparatus and image forming method | Kenji Sawai | 2016-03-22 |
| 9285717 | Image forming apparatus having increased transfer efficiency | Sho Watanabe | 2016-03-15 |