Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11739791 | Ball joint and dust cover | — | 2023-08-29 |
| 11662140 | Raw material gas liquefying device and method of controlling this raw material gas liquefying device | Tomohiro Sakamoto, Hidetaka Miyazaki, Naotaka Yamazoe, Daisuke Kariya, Yasuo Miwa +4 more | 2023-05-30 |
| 10406632 | Laser machining device | Yoichi Maruyama, Satoshi Masuda, Takumi Omori | 2019-09-10 |
| 10352893 | Gas sensor control apparatus | Shigehiro OHTSUKA, Hisashi KOZUKA, Kazuma Ito, Ippei Kato | 2019-07-16 |
| 10012612 | Gas sensor element and gas sensor | Shigehiro OHTSUKA, Tomohiro Nishi, Kazuma Ito, Ippei Kato | 2018-07-03 |