Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12379690 | Drum cartridge including first memory having first electrical contact surface and second memory having second electrical contact surface and process cartridge including developing cartridge and the drum cartridge | Yasuo Fukamachi | 2025-08-05 |
| 12282290 | Process cartridge including drum cartridge having first holder, developing cartridge having second holder, and plate for connecting first holder and second holder to each other | Yasuo Fukamachi, Junya Sumida, Kazutoshi Nakamura, Hideshi Nishiyama | 2025-04-22 |
| 12259675 | Process cartridge including developing cartridge having developing holder, and drum cartridge having elastic member that can be connected to developing holder | Yasuo Fukamachi, Kazutoshi Nakamura, Junya Sumida, Hideshi Nishiyama | 2025-03-25 |
| 12242213 | Cartridge including holder that holds electrical contact surface and has hole overlapped with the same | Nao Itabashi, Masaaki Furukawa, Shuhei Hatano, Yasuo Fukamachi | 2025-03-04 |
| 12210300 | Developing cartridge including movable plate for moving holder holding electrical contact surface | Naoya Kamimura, Tomitake Aratachi, Yasuo Fukamachi, Junichi Hashimoto, Saya Minoshima +4 more | 2025-01-28 |
| 11966194 | Image forming apparatus | Kentaro Mori, Ryuji Noda | 2024-04-23 |
| 11886129 | Image forming apparatus to which solvent cartridge that can accommodate therein solvent is detachably attachable independently of developing cartridge | Yutaka Kakigahara, Satoshi Murata, Masataka Kamiya, Masaaki Furukawa, Yasuo Fukamachi +9 more | 2024-01-30 |
| 11867090 | Stator vane and aircraft gas turbine engine | — | 2024-01-09 |
| 11762312 | Developing cartridge including movable plate for moving holder holding electrical contact surface | Naoya Kamimura, Tomitake Aratachi, Yasuo Fukamachi, Junichi Hashimoto, Saya Minoshima +4 more | 2023-09-19 |
| 11747749 | Developing cartridge including movable holder for holding electrical contact surface | Yasuo Fukamachi | 2023-09-05 |
| 11567446 | Process cartridge configured of developing cartridge including electrical contact surface, and drum cartridge including electrical contact surface and lock lever | Yasuo Fukamachi | 2023-01-31 |
| 11474473 | Image forming apparatus including drum cartridge having waste toner accumulating unit in which waste toner is accumulated | Masaaki Furukawa, Takashi Shimizu, Tomitake Aratachi, Yasuo Fukamachi, Keita Shimizu +2 more | 2022-10-18 |
| 11442377 | Developing cartridge including movable holder for holding electrical contact surface | Yasuo Fukamachi | 2022-09-13 |
| 11333996 | Developing cartridge attachable to drum cartridge and having electrical contact surface electrically connected to developing memory | Yasuo Fukamachi | 2022-05-17 |
| 11231665 | Toner cartridge including detection gear, agitator gear, auger gear, and toner outlet | Hideshi Nishiyama, Naoya Kamimura, Tomonori Watanabe, Yasuo Fukamachi, Tomoya Yamamoto | 2022-01-25 |
| 11188008 | Image forming apparatus including first and second guide frames for guiding attachment of drum cartridge to which developing cartridge is attached | Yasuo Fukamachi | 2021-11-30 |
| 10642190 | Toner cartridge including detection gear | Hideshi Nishiyama, Naoya Kamimura, Tomonori Watanabe, Yasuo Fukamachi, Tomoya Yamamoto | 2020-05-05 |
| 10587770 | Optical scanning device | — | 2020-03-10 |
| 10338499 | Toner cartridge including detection gear | Hideshi Nishiyama, Naoya Kamimura, Tomonori Watanabe, Yasuo Fukamachi, Tomoya Yamamoto | 2019-07-02 |
| D849131 | Toner cartridge | Takashi Shimizu, Naoya Kamimura, Koji Abe, Hideshi Nishiyama, Keita Shimizu +2 more | 2019-05-21 |
| 9869276 | Engine duct and aircraft engine | Yoshinori Ooba | 2018-01-16 |
| 9528468 | Noise reduction system | Nozomi Tanaka, Tsutomu Oishi, Yoshinori Oba | 2016-12-27 |
| 9201238 | Optical scanning device | — | 2015-12-01 |
| 9140210 | Jet flow nozzle and jet engine | Yoshinori Oba, Tsutomu Oishi, Nozomi Tanaka | 2015-09-22 |
| 9056490 | Optical scanning device | Jun Mihara, Junichi Yokoi | 2015-06-16 |