Issued Patents All Time
Showing 25 most recent of 87 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12261851 | Vehicle communication apparatus, in-vehicle network system, and vehicle communication method | Yoshihiro Ujiie, Jun Anzai, Yoshihiko Kitamura, Hideki Matsushima, Tomoyuki Haga +2 more | 2025-03-25 |
| 11982952 | Toner cartridge having feeding member and pump for discharging pump | Naoya Asanuma, Takatoshi Hamada, Tomofumi Kawamura, Yusuke Atsu | 2024-05-14 |
| 11971978 | Vehicle network system whose security is improved using message authentication code | Yoshihiro Ujiie, Takeshi Kishikawa, Tomoyuki Haga, Hideki Matsushima | 2024-04-30 |
| 11943233 | Vehicle communication apparatus, in-vehicle network system, and vehicle communication method | Yoshihiro Ujiie, Jun Anzai, Yoshihiko Kitamura, Hideki Matsushima, Tomoyuki Haga +2 more | 2024-03-26 |
| 11874625 | Developing cartridge including a member configured to be pressed by a member of an image forming apparatus | Osamu Anan, Tsukasa Abe, Kazutaka Sueshige | 2024-01-16 |
| 11841644 | Toner cartridge and image forming apparatus including a screw to convey toner in the cartridge, an elastic member to loosen the toner, and a means to discharge toner together with air to the outside of the cartridge | Tomofumi Kawamura | 2023-12-12 |
| 11835888 | Developing device, cartridge, image forming apparatus | Harunobu Maeda, Masahito Kato, Kodai Hayashi, Takuya Oka, Yu Akiba +3 more | 2023-12-05 |
| 11804953 | Key management method used in encryption processing for safely transmitting and receiving messages | Yoshihiro Ujiie, Jun Anzai, Yoshihiko Kitamura, Takeshi Kishikawa | 2023-10-31 |
| 11698600 | Developing apparatus, process cartridge, and image forming apparatus | Kazutaka Sueshige, Teruhiko Sasaki, Tsukasa Abe, Osamu Anan | 2023-07-11 |
| 11656572 | Developing cartridge having a guide projecting from a frame body | Osamu Anan, Tsukasa Abe, Kazutaka Sueshige | 2023-05-23 |
| 11569984 | Key management method used in encryption processing for safely transmitting and receiving messages | Yoshihiro Ujiie, Jun Anzai, Yoshihiko Kitamura, Takeshi Kishikawa | 2023-01-31 |
| 11550255 | Image forming apparatus and developing cartridge | Masakazu Tatsumi, Tatsuro Harada | 2023-01-10 |
| 11539727 | Abnormality detection apparatus and abnormality detection method | Tomoyuki Haga, Yuishi Torisaki, Hiroyasu TERAZAWA, Ryo Kato | 2022-12-27 |
| 11442379 | Toner cartridge for an image forming apparatus including a pump to discharge toner by putting air into the toner discharge chamber | Tomofumi Kawamura | 2022-09-13 |
| 11409227 | Drum unit, cartridge, electrophotographic image forming apparatus and coupling member | Tetsuo Uesugi, Tomonori Mori, Daisuke Abe, Tadayuki Tsuda, Hideshi Kawaguchi | 2022-08-09 |
| 11392079 | Process cartridge and image forming apparatus | Hideki Maeshima, Keisuke Nomura, Hiroki Shimizu | 2022-07-19 |
| 11372365 | Developing apparatus, process cartridge, and image forming apparatus | Kazutaka Sueshige, Teruhiko Sasaki, Tsukasa Abe, Osamu Anan | 2022-06-28 |
| 11372348 | Developing device, cartridge, image forming apparatus | Harunobu Maeda, Masahito Kato, Kodai Hayashi, Takuya Oka, Yu Akiba +3 more | 2022-06-28 |
| 11336618 | Security apparatus, attack detection method, and storage medium | Manabu Maeda, Jun Anzai, Yoshihiro Ujiie, Takeshi Kishikawa | 2022-05-17 |
| 11287763 | Toner transport apparatus | Tomofumi Kawamura, Takatoshi Hamada, Yusuke Atsu | 2022-03-29 |
| 11249437 | Developing cartridge having a frame and supporting members that are movable relative to the frame | Kazutaka Sueshige, Teruhiko Sasaki, Tsukasa Abe, Osamu Anan | 2022-02-15 |
| 11247696 | Information processing device, information processing method, and recording medium | Toshihisa Nakano, Kouji Kobayashi, Tohru Wakabayashi, Kazuya Fujimura | 2022-02-15 |
| 11240253 | Vehicle communication apparatus, in-vehicle network system, and vehicle communication method | Yoshihiro Ujiie, Jun Anzai, Yoshihiko Kitamura, Hideki Matsushima, Tomoyuki Haga +2 more | 2022-02-01 |
| 11172121 | Image forming apparatus, cartridge and image forming apparatus system having erroneous cartridge insertion prevention | Kazuo Chadani, Yasunori Toriyama, Sadaaki Tani, Yuuki Nakamura | 2021-11-09 |
| 11113382 | Vehicle network system whose security is improved using message authentication code | Yoshihiro Ujiie, Takeshi Kishikawa, Tomoyuki Haga, Hideki Matsushima | 2021-09-07 |