Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9651156 | Mechanical seal | Hiroshi Aoike, Hideyuki Inoue, Masaru Nakamura, Hiroki Takeno, Yoshihiro Teshima | 2017-05-16 |
| 8402656 | Diaphragm damper and method of production and production apparatus of same | Masahide Shimada | 2013-03-26 |
| 7540539 | Pipe joint | Yasushi Fujiwara | 2009-06-02 |