Issued Patents All Time
Showing 1–25 of 79 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12429811 | Cartridge and image forming apparatus | Naoki Matsumaru, Ryuta Murakami, Tadashi Horikawa, Akinobu Hirayama, Daisuke Makiguchi +5 more | 2025-09-30 |
| 12287600 | Drum unit, drive transmission unit, cartridge and electrophotographic image forming apparatus | Ryuta Murakami | 2025-04-29 |
| 12072664 | Cartridge and image forming apparatus | Naoki Matsumaru, Ryuta Murakami, Tadashi Horikawa | 2024-08-27 |
| 12025941 | Drum unit, drive transmission unit, cartridge and electrophotographic image forming apparatus | Ryuta Murakami | 2024-07-02 |
| 11703794 | Cartridge and image forming apparatus | Naoki Matsumaru, Ryuta Murakami, Tadashi Horikawa | 2023-07-18 |
| 11449001 | Cartridge and image forming apparatus | Tadashi Horikawa, Naoki Matsumaru, Ryuta Murakami, Daisuke Makiguichi | 2022-09-20 |
| 11274834 | Heat exchanger and air conditioner having the same | Sang Mu Lee, Hyun-Young Kim | 2022-03-15 |
| 11125505 | Heat exchanger and air conditioner including the same | Sang Mu Lee, Hyun-Young Kim | 2021-09-21 |
| 10981516 | Vehicle speaker disposition structure | Yuki KATAOKA, Hidenori Matsuoka, Takeshi Nakamura, Kiyoshi Mutsura, Yoshihiro Teshima +2 more | 2021-04-20 |
| 10962927 | Cartridge and imaging forming apparatus | Tadashi Horikawa, Naoki Matsumaru, Ryuta Murakami, Daisuke Makiguichi | 2021-03-30 |
| 10627780 | Cartridge and image forming apparatus | Tadashi Horikawa, Naoki Matsumaru, Ryuta Murakami, Daisuke Makiguchi | 2020-04-21 |
| D873341 | Process cartridge for image forming apparatus | Tadashi Horikawa, Noriyuki Komatsu, Naoki Matsumaru, Ryuta Murakami, Daisuke Makiguchi +2 more | 2020-01-21 |
| 10452002 | Developing device | Naoki Maeda, Daisuke Makiguchi | 2019-10-22 |
| 10261443 | Developer container, developing apparatus, process cartridge and image forming apparatus | Tsukasa Abe | 2019-04-16 |
| 10048622 | Developer container, development device, process cartridge, and image forming apparatus | Tsukasa Abe, Tatsuro Harada | 2018-08-14 |
| 9927737 | Developing apparatus and process cartridge | Nobuyoshi Yoshida, Shuhei Kawasaki, Hideki Kakuta | 2018-03-27 |
| 9811025 | Developer container, development device, process cartridge, and image forming apparatus | Tsukasa Abe, Tatsuro Harada | 2017-11-07 |
| 9642242 | Power conversion apparatus | Yusaku Ido, Takashi Yamada | 2017-05-02 |
| 9599955 | Developer storage unit, development device, process cartridge, and electrophotographic image forming apparatus | Kuniaki Hirukawa, Yu Fukasawa | 2017-03-21 |
| 9594342 | Developer container, developing apparatus, process cartridge, image forming apparatus, and apparatus main body of image forming apparatus | Yuuki Nakamura | 2017-03-14 |
| 9361000 | Information display device for vehicle | Aya Furue, Keiichirou Yamamoto | 2016-06-07 |
| 9342047 | Movement limiting apparatus for image forming apparatus process cartridge | Osamu Anan | 2016-05-17 |
| 9188945 | Cartridge and image forming apparatus | Osamu Anan | 2015-11-17 |
| 9110439 | Cartridge having a grip provided on a frame | Susumu Nittani, Masato Tanabe | 2015-08-18 |
| 8886109 | Cleaning unit, process cartridge, and electrophotographic image forming apparatus | Kazuo Chadani, Susumu Nittani, Masato Tanabe, Hideki Kakuta, Keisuke Nomura | 2014-11-11 |