Issued Patents All Time
Showing 1–25 of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11550239 | Powder container, powder supply device and image forming apparatus | Junichi Matsumoto, Hiroshi Hosokawa, Makoto Komatsu, Tadashi Hayakawa, Yuzuru Ozawa | 2023-01-10 |
| 11467516 | Powder container and image forming apparatus | Hiroshi Hosokawa, Junichi Matsumoto, Makoto Komatsu, Tadashi Hayakawa, Yuzuru Ozawa +2 more | 2022-10-11 |
| 11281124 | Powder container, powder supply device and image forming apparatus | Junichi Matsumoto, Hiroshi Hosokawa, Makoto Komatsu, Tadashi Hayakawa, Yuzuru Ozawa | 2022-03-22 |
| 11249421 | Powder container, powder supply device and image forming apparatus | Junichi Matsumoto, Hiroshi Hosokawa, Makoto Komatsu, Tadashi Hayakawa, Yuzuru Ozawa | 2022-02-15 |
| 10948850 | Powder container and image forming apparatus | Hiroshi Hosokawa, Junichi Matsumoto, Makoto Komatsu, Tadashi Hayakawa, Yuzuru Ozawa +2 more | 2021-03-16 |
| 10908531 | Powder container, powder supply device and image forming apparatus | Junichi Matsumoto, Hiroshi Hosokawa, Makoto Komatsu, Tadashi Hayakawa, Yuzuru Ozawa | 2021-02-02 |
| 10474062 | Powder container and image forming apparatus | Hiroshi Hosokawa, Junichi Matsumoto, Makoto Komatsu, Tadashi Hayakawa, Yuzuru Ozawa +2 more | 2019-11-12 |
| 10466623 | Powder container, powder supply device and image forming apparatus | Junichi Matsumoto, Hiroshi Hosokawa, Makoto Komatsu, Tadashi Hayakawa, Yuzuru Ozawa | 2019-11-05 |
| 10281843 | Powder container, powder supply device and image forming apparatus | Junichi Matsumoto, Hiroshi Hosokawa, Makoto Komatsu, Tadashi Hayakawa, Yuzuru Ozawa | 2019-05-07 |
| 9983509 | Powder container, powder supply device and image forming apparatus | Junichi Matsumoto, Hiroshi Hosokawa, Makoto Komatsu, Tadashi Hayakawa, Yuzuru Ozawa | 2018-05-29 |
| 9740139 | Powder container including a container portion to be engaged with a powder replenishing device | Hiroshi Hosokawa, Junichi Matsumoto, Makoto Komatsu, Tadashi Hayakawa, Yuzuru Ozawa +2 more | 2017-08-22 |
| 9547258 | Powder container, powder supply device and image forming apparatus | Junichi Matsumoto, Hiroshi Hosokawa, Makoto Komatsu, Tadashi Hayakawa, Yuzuru Ozawa | 2017-01-17 |
| 9482987 | Powder container, powder supply device and image forming apparatus | Junichi Matsumoto, Hiroshi Hosokawa, Makoto Komatsu, Tadashi Hayakawa, Yuzuru Ozawa | 2016-11-01 |
| 9405221 | Powder container and image forming apparatus incorporating same | Makoto Komatsu, Hiroshi Hosokawa, Junichi Matsumoto, Tadashi Hayakawa, Yuzuru Ozawa | 2016-08-02 |
| 9285763 | Cap, powder container, developer supply device, and image forming apparatus | Makoto Komatsu, Tadashi Hayakawa, Hiroshi Hosokawa, Daichi Yamaguchi, Junichi Matsumoto | 2016-03-15 |
| 9244379 | Powder container and image forming apparatus incorporating same | Junichi Matsumoto, Hiroshi Hosokawa, Yuzuru Ozawa, Tadashi Hayakawa, Makoto Komatsu | 2016-01-26 |
| 8971769 | Development device including a removable seal to seal a supplied-developer and/or a collected-developer communicating area | Yasuo Miyoshi, Norio Kudo, Yoshihiro Fujiwara, Hiroshi Hosokawa, Hiroaki Okamoto | 2015-03-03 |
| 8965250 | Cap, powder container, developer supply device, and image forming apparatus | Makoto Komatsu, Tadashi Hayakawa, Hiroshi Hosokawa, Daichi Yamaguchi, Junichi Matsumoto | 2015-02-24 |
| 8934813 | Image-forming apparatus and powder container | Hiroshi Hosokawa, Junichi Matsumoto, Makoto Komatsu, Tadashi Hayakawa | 2015-01-13 |
| 8886095 | Powder container, powder supply device and image-forming apparatus | Makoto Komatsu, Hiroshi Hosokawa, Junichi Matsumoto, Tadashi Hayakawa | 2014-11-11 |
| 8750752 | Development device including a removable seal to seal a supplied-developer and/or a collected-developer communicating area | Yasuo Miyoshi, Norio Kudo, Yoshihiro Fujiwara, Hiroshi Hosokawa, Hiroaki Okamoto | 2014-06-10 |
| 8626037 | Powder container having an opening on an end of the container body, the opening facing the longitudinal direction of the container | Daichi Yamaguchi, Makoto Komatsu, Tadashi Hayakawa, Hiroshi Hosokawa | 2014-01-07 |
| 8571449 | Development device, process cartridge, and image forming apparatus | Yasuo Miyoshi, Norio Kudo, Yoshihiro Fujiwara, Hiroshi Hosokawa, Hiroaki Okamoto | 2013-10-29 |
| 8385787 | Image forming apparatus and medium container installed therein | Daichi Yamaguchi, Yukimichi Someya, Makoto Komatsu, Tadashi Hayakawa | 2013-02-26 |
| 8295742 | Powder container, powder supplying device, and image forming apparatus | Daichi Yamaguchi, Makoto Komatsu, Tadashi Hayakawa, Hiroshi Hosokawa | 2012-10-23 |