Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8763634 | Relief device for oil pump | Nobuyuki Akaishi, Masataka Ikawa, Yasuhiro Ueta, Takuji Ishioka, Hidehiko Kamiyama +3 more | 2014-07-01 |
| 8297307 | Relief valve structure | Masahiro Kasahara, Yoshiro Umezawa | 2012-10-30 |