Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11347175 | Cleaning device capable of preventing a conveyance member from contacting a brush-like rotation body and a collection member, drum unit, and image forming apparatus | Junji Murakawa | 2022-05-31 |
| 11119426 | Developing roller, developer, and image forming apparatus | Junji Murakawa, Hideaki Ikeda | 2021-09-14 |
| D908169 | Toner cartridge | Hideaki Ikeda, Hideji Higashimura | 2021-01-19 |
| D894267 | Toner cartridge | Hideaki Ikeda, Hideji Higashimura | 2020-08-25 |
| 10698343 | Developer replenishment container | — | 2020-06-30 |
| 10571827 | Developer replenishing device, developer device, and image forming device having a vibration plate that engages an agitation member | Tetsuya Sakai, Syuichi Katogi | 2020-02-25 |
| 10527976 | Toner supply device and image forming apparatus | — | 2020-01-07 |
| 9753419 | Fixing device and image forming apparatus configured to change the pressing force between two nip members | Naoki Kataoka | 2017-09-05 |
| 9709941 | Image forming apparatus having a fixing member with a nip which can be pressed at different pressure levels | Naoki Kataoka | 2017-07-18 |
| 9529301 | Image forming apparatus, drum unit, and developing unit | Junji Murakawa, Hideji Hayashi | 2016-12-27 |
| 9261773 | Reflective mask blank for EUV lithography, and reflective layer-coated substrate for EUV lithography | — | 2016-02-16 |
| 9207529 | Reflective mask blank for EUV lithography, and process for its production | Masaki Mikami, Kazuyuki Hayashi | 2015-12-08 |
| 9020375 | Toner resupply device including a detector plate, a douser, and a fixing plate fixing the detector plate and the douser, and image forming apparatus | Kengo Asai | 2015-04-28 |
| 8967608 | Glass substrate-holding tool and method for producing an EUV mask blank by employing the same | Takahiro Mitsumori, Hirotoshi Ise | 2015-03-03 |
| 8837108 | Glass substrate-holding tool and method for producing an EUV mask blank by employing the same | Takahiro Mitsumori, Hirotoshi Ise | 2014-09-16 |
| 8828626 | Substrate with reflective layer for EUV lithography and reflective mask blank for EUV lithography | Masaki Mikami | 2014-09-09 |
| 8478159 | Image forming apparatus with a vibration prevention member | — | 2013-07-02 |
| 8306454 | Image forming apparatus with improved accuracy in forming a gap between a developing unit and a photoreceptor drum | — | 2012-11-06 |
| 8105735 | Reflective mask blank for EUV lithography and reflective mask for EUV lithography | — | 2012-01-31 |
| D604358 | Toner cartridge | Junichi Hashimoto | 2009-11-17 |
| D594507 | Toner cartridge | Junichi Hashimoto | 2009-06-16 |
| 7282305 | Reflective mask blank having a programmed defect and method of producing the same, reflective mask having a programmed defect and method of producing the same, and substrate for use in producing the reflective mask blank or the reflective mask having a programmed defect | Tsutomo Shoki, Ryo Ohkubo | 2007-10-16 |
| D534576 | Toner cartridge | Junichi Hashimoto, Takako Hayashi | 2007-01-02 |
| D524850 | Toner cartridge | Junichi Hashimoto, Takako Hayashi | 2006-07-11 |
| 7056627 | Method of manufacturing a reflection type mask blank and method of manufacturing a reflection type mask | Tsutomu Shoki, Morio Hosoya | 2006-06-06 |