Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9739412 | Method of extending life expectancy of high-temperature piping and life expectancy extension structure of high-temperature piping | Daigo Watanabe, Fumitoshi Sakata, Takumi Tokiyoshi, Yasuharu Chuman, Takuya Fukahori +4 more | 2017-08-22 |
| 9618115 | Combined oil control ring | Hiroyuki Yabune, Hiroyuki Sugihara | 2017-04-11 |