Issued Patents All Time
Showing 25 most recent of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12304224 | Image forming apparatus | Yoshihiko Tanaka, Mitsuhiro Ohta, Takatoshi Tanaka, Fumihiko Yamaya, Naoki Matsushita | 2025-05-20 |
| 12119278 | Method of manufacturing a supporting glass substrate | — | 2024-10-15 |
| 11959480 | Rotary compressor including a plurality of recessed portions for retaining lubricating oil | Motonobu Furukawa | 2024-04-16 |
| 11949825 | Scanning optical device and image forming apparatus with bearing surfaces and regulating portions constructed to reduce laser deviation of a reflection mirror | Mitsuhiro Obara, Taku Murotani | 2024-04-02 |
| 11933302 | Rotary compressor | Hideto Uchikai, Motonobu Furukawa, Takahiro Sasaki | 2024-03-19 |
| 11852988 | Image forming apparatus with improved vibration rigidity | Shoji Yamamoto, Akira Yoshimura, Shogo Nagamine, Naoki Matsushita, Yoshihiko Tanaka +4 more | 2023-12-26 |
| 11820158 | Image forming apparatus | Yoshihiko Tanaka, Mitsuhiro Ohta, Takatoshi Tanaka, Fumihiko Yamaya, Naoki Matsushita | 2023-11-21 |
| 11749574 | Method of manufacturing semiconductor package | — | 2023-09-05 |
| 11709437 | Image forming apparatus | Taku Murotani, Mitsuhiro Obara, Atsushi Sano, Jun Nagatoshi, Chihiro Shirakawa +1 more | 2023-07-25 |
| 11537058 | Image forming apparatus | Taku Murotani, Mitsuhiro Obara, Atsushi Sano, Jun Nagatoshi, Chihiro Shirakawa +1 more | 2022-12-27 |
| 11383413 | Manufacturing method of polygonal mirror, polygonal mirror, deflector, optical scanning apparatus and image forming apparatus | Fumihiko Yamaya, Yoshihiko Tanaka, Takatoshi Tanaka, Mitsuhiro Ohta, Atsushi Takata +1 more | 2022-07-12 |
| 11385457 | Optical scanning device having rotating polygon mirror, and image forming apparatus including the same | Yoshihiko Tanaka, Hisanori Kobayashi, Naoki Matsushita, Takatoshi Tanaka, Mitsuhiro Ohta | 2022-07-12 |
| 11366310 | Polygonal mirror, deflector, optical scanning apparatus and image forming apparatus | Naoki Matsushita, Atsushi Takata, Yoshihiko Tanaka, Takatoshi Tanaka, Fumihiko Yamaya +1 more | 2022-06-21 |
| 11353805 | Image forming apparatus to address vibration rigidity of a scanner unit | Shoji Yamamoto, Akira Yoshimura, Shogo Nagamine, Naoki Matsushita, Yoshihiko Tanaka +4 more | 2022-06-07 |
| 11249303 | Rotary polygon mirror, light deflecting unit, and optical scanning apparatus including light deflecting unit | Hisanori Kobayashi, Yoshihiko Tanaka, Naoki Matsushita, Takatoshi Tanaka, Mitsuhiro Ohta | 2022-02-15 |
| 11194264 | Optical scanning apparatus with offset beam detect sensor for scan line positioning in sub-scan direction and image forming apparatus with optical scanning apparatus | Jun Nagatoshi | 2021-12-07 |
| 11086248 | Image forming apparatus with fan configured for dust-resistant cooling of optical scanning unit | Mitsuhiro Ohta, Yoshihiko Tanaka, Hisanori Kobayashi, Takatoshi Tanaka, Naoki Matsushita | 2021-08-10 |
| 11022908 | Image forming apparatus | Shoji Yamamoto, Akira Yoshimura, Shogo Nagamine, Naoki Matsushita, Yoshihiko Tanaka +4 more | 2021-06-01 |
| 10773994 | Plate glass and method for producing same | — | 2020-09-15 |
| 10738779 | Rotary compressor | Naoya Morozumi, Yasuyuki IZUMI, Taku Morishita, Motonobu Furukawa | 2020-08-11 |
| 10737965 | Method of manufacturing glass sheet | Hiroshi Nakajima | 2020-08-11 |
| 10669184 | Glass substrate and laminate using same | — | 2020-06-02 |
| 10519953 | Rotary compressor | Taku Morishita, Motonobu Furukawa, Koji UKAI, Naoto TADA | 2019-12-31 |
| 10458408 | Rotary compressor having communication path hole overlap with discharge chamber concave portion | Naoya Morozumi, Taku Morishita, Motonobu Furukawa, Junya Tanaka | 2019-10-29 |
| 10442729 | Glass sheet | Hiroshi Nakajima | 2019-10-15 |