Issued Patents All Time
Showing 1–25 of 84 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12338094 | Image forming apparatus | Jumpei Aoyama, Hajime Nishida, Hideki Tobinaga, Junpei Kamichi, Satoshi Kuno +1 more | 2025-06-24 |
| 12276283 | Integrated connector between first and second vacuum pumps creating a vapor phase region environment | Takashi Kabasawa | 2025-04-15 |
| 12228951 | Vacuum exhaust system | — | 2025-02-18 |
| 12044251 | Vacuum pump | Hideki Enosawa, Yasushi Maejima, Tsutomu Takaada | 2024-07-23 |
| 11898567 | Vacuum pump | Hideki Enosawa, Takashi Kabasawa | 2024-02-13 |
| 11667484 | Image forming apparatus | Jumpei Aoyama, Hajime Nishida, Hideki Tobinaga, Junpei Kamichi, Satoshi Kuno +1 more | 2023-06-06 |
| 11655830 | Vacuum pump, and blade component, rotor, and stationary blade used therein | Hideki Enosawa | 2023-05-23 |
| 11466701 | Vacuum pump, and stator component, discharge port, and control means used therein | Kazushi Yamamoto, Yoshiyuki Sakaguchi, Takashi Kabasawa | 2022-10-11 |
| 11408437 | Vacuum pump, rotor, rotor fin, and casing | Toshiki Yamaguchi | 2022-08-09 |
| 11009040 | Vacuum pump | Takashi Kabasawa | 2021-05-18 |
| 10968061 | Image forming apparatus | Jumpei Aoyama, Hajime Nishida, Hideki Tobinaga, Junpei Kamichi, Satoshi Kuno +1 more | 2021-04-06 |
| 10662957 | Vacuum exhaust mechanism, compound type vacuum pump, and rotating body part | Takashi Kabasawa | 2020-05-26 |
| 10578158 | Vacuum pump and abnormality cause estimating method for vacuum pump | Yoshinobu Ohtachi, Yasushi Maejima, Tsutomu Takaada | 2020-03-03 |
| 10364814 | Vacuum pump | Yongwei Shi, Yoshinobu Ohtachi, Yasushi Maejima, Tsutomu Takaada | 2019-07-30 |
| 10280937 | Vacuum pump component, siegbahn type exhaust mechanism and compound vacuum pump | Takashi Kabasawa | 2019-05-07 |
| 10267321 | Stator disk and vacuum pump | Takashi Kabasawa | 2019-04-23 |
| 10202250 | Image forming apparatus | Jumpei Aoyama, Hajime Nishida, Hideki Tobinaga, Junpei Kamichi, Satoshi Kuno +1 more | 2019-02-12 |
| 10167148 | Image forming apparatus and dustproof cover | Satoshi Kuno, Hajime Nishida, Hideki Tobinaga, Jumpei Aoyama, Junpei Kamichi +1 more | 2019-01-01 |
| 10124970 | Sheet feeder and image forming apparatus incorporating same | Yoshikuni Ishikawa, Tetsutaro Yasuda | 2018-11-13 |
| 10008892 | IPM motor for vacuum pump | Isao Nakagawa | 2018-06-26 |
| 9879553 | Fixed blade assembly usable in exhaust pump, and exhaust pump provided with same | Yongwei Shi, Yoshihiro Enomoto | 2018-01-30 |
| 9869959 | Image forming apparatus | Hideki Tobinaga, Hajime Nishida, Jumpei Aoyama, Junpei Kamichi, Satoshi Kuno +1 more | 2018-01-16 |
| 9856099 | Sheet feeder and image forming apparatus incorporating the sheet feeder | Jumpei Aoyama, Hajime Nishida, Junichi SUGITA, Kenji Ueda | 2018-01-02 |
| 9701499 | Sheet feeder, image forming apparatus incorporating the sheet feeder, and method of removing discharge products in the image forming apparatus | Kaoru Shoji | 2017-07-11 |
| 9625866 | Image forming apparatus | Jumpei Aoyama, Hajime Nishida, Hideki Tobinaga, Junpei Kamichi, Satoshi Kuno +1 more | 2017-04-18 |