Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11784217 | Silicon carbide semiconductor device | Toru Hiyoshi | 2023-10-10 |
| 11233127 | Silicon carbide semiconductor device | Toru Hiyoshi | 2022-01-25 |
| 11011631 | Silicon carbide semiconductor device | Toru Hiyoshi | 2021-05-18 |
| 10777676 | Silicon carbide semiconductor device | Toru Hiyoshi | 2020-09-15 |
| 10504996 | Silicon carbide semiconductor device | Toru Hiyoshi, Keiji Wada | 2019-12-10 |
| 10192961 | Silicon carbide semiconductor device | Toru Hiyoshi, Keiji Wada | 2019-01-29 |
| 10177233 | Silicon carbide semiconductor device | Yu Saitoh, Takashi Tsuno, Toru Hiyoshi | 2019-01-08 |
| 10067463 | Image forming apparatus | Hiroshi Inui | 2018-09-04 |
| 10048641 | Image forming apparatus | — | 2018-08-14 |
| 9984879 | Silicon carbide semiconductor device and method for manufacturing same | Takeyoshi Masuda, Yu Saitoh | 2018-05-29 |
| 9728628 | Silicon carbide semiconductor device and method for manufacturing same | Keiji Wada, Taro Nishiguchi, Toru Hiyoshi, Taku Horii | 2017-08-08 |
| 9671717 | Optical scanning device, image forming apparatus, aperture fixing method | Shingo Yoshida, Hideji Mizutani, Takayuki Kurihara | 2017-06-06 |
| 9666681 | Silicon carbide semiconductor device and method for manufacturing same | Takeyoshi Masuda, Yu Saitoh | 2017-05-30 |
| 9627488 | Silicon carbide semiconductor device and method for manufacturing same | Toru Hiyoshi, Takeyoshi Masuda | 2017-04-18 |
| 9618878 | Developing device and image forming apparatus including same | Mitsuhiro Goda | 2017-04-11 |
| 9502552 | Silicon carbide semiconductor device | Toru Hiyoshi | 2016-11-22 |
| 9425263 | Silicon carbide semiconductor device and method for manufacturing same | Toru Hiyoshi, Takeyoshi Masuda | 2016-08-23 |
| 9397155 | Silicon carbide semiconductor device | Keiji Wada, Toru Hiyoshi, Masaki Furumai, Mitsuhiko Sakai | 2016-07-19 |
| 9348251 | Optical scanning device and image forming apparatus including the same | Noriaki Sumikura | 2016-05-24 |
| 9316995 | Low profile light scanning device and image forming apparatus therewith | Noriaki Sumikura | 2016-04-19 |
| 9306006 | Silicon carbide semiconductor device | Toru Hiyoshi | 2016-04-05 |
| 9224816 | Silicon carbide semiconductor device | Keiji Wada, Toru Hiyoshi, Masaki Furumai, Mitsuhiko Sakai | 2015-12-29 |
| 9201395 | Image forming apparatus with intermediate transfer belt cooling chamber | Kazuya Yamashita | 2015-12-01 |
| 9178021 | Silicon carbide semiconductor device | Toru Hiyoshi, Takashi Tsuno | 2015-11-03 |
| 9158278 | Image forming apparatus having airflow generating section and shield member in conveyance unit | Kazuya Yamashita, Yasuhiro Tauchi | 2015-10-13 |