Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12167537 | Circuit board unit, detachable unit, and image forming apparatus | Yuki Oshikawa | 2024-12-10 |
| 11550239 | Powder container, powder supply device and image forming apparatus | Junichi Matsumoto, Tsukuru Kai, Hiroshi Hosokawa, Makoto Komatsu, Tadashi Hayakawa | 2023-01-10 |
| 11467516 | Powder container and image forming apparatus | Hiroshi Hosokawa, Tsukuru Kai, Junichi Matsumoto, Makoto Komatsu, Tadashi Hayakawa +2 more | 2022-10-11 |
| 11281124 | Powder container, powder supply device and image forming apparatus | Junichi Matsumoto, Tsukuru Kai, Hiroshi Hosokawa, Makoto Komatsu, Tadashi Hayakawa | 2022-03-22 |
| 11249421 | Powder container, powder supply device and image forming apparatus | Junichi Matsumoto, Tsukuru Kai, Hiroshi Hosokawa, Makoto Komatsu, Tadashi Hayakawa | 2022-02-15 |
| 10948850 | Powder container and image forming apparatus | Hiroshi Hosokawa, Tsukuru Kai, Junichi Matsumoto, Makoto Komatsu, Tadashi Hayakawa +2 more | 2021-03-16 |
| 10908531 | Powder container, powder supply device and image forming apparatus | Junichi Matsumoto, Tsukuru Kai, Hiroshi Hosokawa, Makoto Komatsu, Tadashi Hayakawa | 2021-02-02 |
| 10474062 | Powder container and image forming apparatus | Hiroshi Hosokawa, Tsukuru Kai, Junichi Matsumoto, Makoto Komatsu, Tadashi Hayakawa +2 more | 2019-11-12 |
| 10466623 | Powder container, powder supply device and image forming apparatus | Junichi Matsumoto, Tsukuru Kai, Hiroshi Hosokawa, Makoto Komatsu, Tadashi Hayakawa | 2019-11-05 |
| 10281843 | Powder container, powder supply device and image forming apparatus | Junichi Matsumoto, Tsukuru Kai, Hiroshi Hosokawa, Makoto Komatsu, Tadashi Hayakawa | 2019-05-07 |
| 9983509 | Powder container, powder supply device and image forming apparatus | Junichi Matsumoto, Tsukuru Kai, Hiroshi Hosokawa, Makoto Komatsu, Tadashi Hayakawa | 2018-05-29 |
| 9740139 | Powder container including a container portion to be engaged with a powder replenishing device | Hiroshi Hosokawa, Tsukuru Kai, Junichi Matsumoto, Makoto Komatsu, Tadashi Hayakawa +2 more | 2017-08-22 |
| 9547258 | Powder container, powder supply device and image forming apparatus | Junichi Matsumoto, Tsukuru Kai, Hiroshi Hosokawa, Makoto Komatsu, Tadashi Hayakawa | 2017-01-17 |
| 9482987 | Powder container, powder supply device and image forming apparatus | Junichi Matsumoto, Tsukuru Kai, Hiroshi Hosokawa, Makoto Komatsu, Tadashi Hayakawa | 2016-11-01 |
| 9405221 | Powder container and image forming apparatus incorporating same | Makoto Komatsu, Tsukuru Kai, Hiroshi Hosokawa, Junichi Matsumoto, Tadashi Hayakawa | 2016-08-02 |
| 9244379 | Powder container and image forming apparatus incorporating same | Junichi Matsumoto, Tsukuru Kai, Hiroshi Hosokawa, Tadashi Hayakawa, Makoto Komatsu | 2016-01-26 |