Issued Patents All Time
Showing 25 most recent of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12111587 | Developing unit having guide that stably supports toner cartridge | Masahiko Hayakawa, Shougo Sato | 2024-10-08 |
| 11808337 | Method for manufacturing strain wave gear device and strain wave gear device | Yuichi Asakawa | 2023-11-07 |
| 11698595 | Developing unit having guide that stably supports toner cartridge | Masahiko Hayakawa, Shougo Sato | 2023-07-11 |
| 11392083 | Image forming apparatus including drum cartridge having photosensitive drum and toner cartridge having developing roller | Shunji Yoshimoto, Naoya Kamimura, Masaki Ueji, Keita Hironaka, Hotaka Kakutani | 2022-07-19 |
| 11352501 | Anthocyanin-based pigment composition | Masahiko Ishida, Takayoshi Ohara, Nobuko Fukino, Tomohiro KAKIZAKI, Tomomichi Ohno +2 more | 2022-06-07 |
| 11221570 | Developing unit having guide that stably supports toner cartridge | Masahiko Hayakawa, Shougo Sato | 2022-01-11 |
| 10915064 | Image forming apparatus including drum cartridge having photosensitive drum and toner cartridge having developing roller | Shunji Yoshimoto, Naoya Kamimura, Masaki Ueji, Keita Hironaka, Hotaka Kakutani | 2021-02-09 |
| 10871731 | Developing unit having guide that stably supports toner cartridge | Masahiko Hayakawa, Shougo Sato | 2020-12-22 |
| 10827769 | Anthocyanin dye preparation | Mayu Suzuki, Minoru Iniwa, Koji Nishiyama | 2020-11-10 |
| 10761457 | Developing unit having guide that stably supports toner cartridge | Masahiko Hayakawa, Shougo Sato | 2020-09-01 |
| 10599068 | Developing unit having guide that stably supports toner cartridge | Masahiko Hayakawa, Shougo Sato | 2020-03-24 |
| 10514576 | Image display apparatus | Shigeru Aruga, Yoshitoshi Ooki | 2019-12-24 |
| 10311345 | Image-forming apparatus configured to control rotation of developing roller to prevent toner leakage | Daisuke Maeta | 2019-06-04 |
| 10222723 | Developing unit having guide that stably supports toner cartridge | Masahiko Hayakawa, Shougo Sato | 2019-03-05 |
| 9823602 | Developing unit having guide that stably supports toner cartridge | Masahiko Hayakawa, Shougo Sato | 2017-11-21 |
| 9658568 | Developing unit having guide that stably supports toner cartridge | Masahiko Hayakawa, Shougo Sato | 2017-05-23 |
| 9625853 | Developing roller provided with a shaft with an axial middle portion having a small outer diameter and axial end portions having large outer diameters and a developing device provided with the same | Marika Ogiso | 2017-04-18 |
| 9483017 | Developing unit having guide that stably supports toner cartridge | Masahiko Hayakawa, Shougo Sato | 2016-11-01 |
| 9348257 | Developing device provided with developing roller and thickness regulation blade | Marika Ogiso | 2016-05-24 |
| 9244378 | Developing roller and developing device provided with the same | Marika Ogiso | 2016-01-26 |
| 9201340 | Developing unit having guide that stably supports toner cartridge | Masahiko Hayakawa, Shougo Sato | 2015-12-01 |
| 9204141 | Eyewear device and method for controlling eyewear device | Katsuo Saigo, Kazuhiro Mihara, Norikazu Kaneshiro | 2015-12-01 |
| 8948648 | Developing device provided with sealing members assembled to thickness-regulation member | Yoshinori Ito, Satoru Suzuki, Ryuya Yamazaki | 2015-02-03 |
| 8948666 | Developing device having thickness regulation blade | Marika Ogiso | 2015-02-03 |
| 8934797 | Image forming apparatus having control device for applying control biases to collection members | Kensuke Miyahara, Yoh Nishimura | 2015-01-13 |