Issued Patents All Time
Showing 1–25 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12372894 | Optical scanning apparatus and image forming apparatus | Chihiro Shirakawa | 2025-07-29 |
| RE50141 | Image-forming apparatus | Takashi Kawana, Kazuyuki Ishihara, Yuuji Takayama, Hikaru Uchidate, Yoshihiko Tanaka +1 more | 2024-09-24 |
| 11988976 | Image forming apparatus that scans photosensitive member using plurality of scan beams | Takashi Kawana, Chihiro Shirakawa | 2024-05-21 |
| 11016408 | Image forming apparatus with reduced height | Taku Murotani, Mitsuhiro Obara, Yoji Misao | 2021-05-25 |
| 10890363 | Refrigerant compressor and refrigeration device including refrigerant compressor | Shingo Oyagi, Yoshinori Ishida, Hirotaka Kawabata | 2021-01-12 |
| 10865782 | Refrigerant compressor and refrigeration device including refrigerant compressor | Yoshinori Ishida, Shingo Oyagi, Hirotaka Kawabata | 2020-12-15 |
| 10838318 | Optical scanning apparatus and image forming apparatus | — | 2020-11-17 |
| 10760563 | Refrigerant compressor and refrigeration device including refrigerant compressor | Yoshinori Ishida, Shingo Oyagi, Hirotaka Kawabata | 2020-09-01 |
| 10704541 | Slide member, refrigerant compressor incorporating slide member, refrigerator and air conditioner | Yoshinori Ishida, Hirotaka Kawabata, Yuichiro Kume, Yoshiyuki Futagami | 2020-07-07 |
| 10698335 | Optical scanning apparatus and image forming apparatus | Tetsuya Nishiguchi | 2020-06-30 |
| 10429898 | Electronic device | Yuki YOSHIOKA, Kengo Suzuki, Shuichi Kutsuzawa | 2019-10-01 |
| 10338491 | Optical scanning apparatus and optical scanning apparatus system | Jun Nagatoshi | 2019-07-02 |
| 10274858 | Image forming apparatus | — | 2019-04-30 |
| 10197942 | Image-forming apparatus | Takashi Kawana, Kazuyuki Ishihara, Yuuji Takayama, Hikaru Uchidate, Yoshihiko Tanaka +1 more | 2019-02-05 |
| 10078288 | Image forming apparatus that scans photosensitive member by using rotating polygonal mirror | — | 2018-09-18 |
| 10007208 | Image-forming apparatus for correcting a brightness of a laser light | Takashi Kawana, Kazuyuki Ishihara, Yuuji Takayama, Hikaru Uchidate, Yoshihiko Tanaka +1 more | 2018-06-26 |
| 9971272 | Optical scanning device and image forming apparatus | — | 2018-05-15 |
| 9781282 | Optical scanning device | Tetsuya Nishiguchi, Isshin Sato, Mitsuhiro Obara | 2017-10-03 |
| 9696651 | Image-forming apparatus | Takashi Kawana, Kazuyuki Ishihara, Yuuji Takayama, Hikaru Uchidate, Yoshihiko Tanaka +1 more | 2017-07-04 |
| 9658562 | Image forming apparatus and optical scanning apparatus for scanning photosensitive member with light spot | Shuhei Watanabe, Hidenori Kanazawa, Takashi Kawana, Junya Kobayashi | 2017-05-23 |
| 9581929 | Optical scanning apparatus, image forming apparatus, and support member for an optical scanning apparatus | Jun Nagatoshi, Yoshihiko Tanaka, Naoki Matsushita | 2017-02-28 |
| 9523851 | Light deflection unit, optical scanning apparatus, and image forming apparatus | Akira Nakamura, Yoshihiko Tanaka | 2016-12-20 |
| 9319553 | Image-forming apparatus | Takashi Kawana, Kazuyuki Ishihara, Yuuji Takayama, Hikaru Uchidate, Yoshihiko Tanaka +1 more | 2016-04-19 |
| 9128291 | Optical scanning apparatus, image forming apparatus, and support member for an optical scanning apparatus | Jun Nagatoshi, Yoshihiko Tanaka, Naoki Matsushita | 2015-09-08 |
| 7942648 | Air pump | Atsushi Sakuda, Noboru Iida, Tatsuya Nakamoto, Ryuichi Ohno, Kiyoshi Sawai +1 more | 2011-05-17 |