Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8714562 | Lip type end face sealing device | Takehiro Nakagawa, Akihiro Sato, Hiromi Takahashi, Junya Hoshi, Hiroshi Okubo +1 more | 2014-05-06 |
| 7806412 | Lip type end face sealing device | Takehiro Nakagawa, Akihiro Sato, Hiromi Takahashi, Junya Hoshi, Hiroshi Okubo +1 more | 2010-10-05 |