Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9841108 | Mechanical seal | Takeshi Ikarashi | 2017-12-12 |
| 9651156 | Mechanical seal | Hideyuki Inoue, Takuji Matsuki, Masaru Nakamura, Hiroki Takeno, Yoshihiro Teshima | 2017-05-16 |