Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10605374 | Valve seat insert excellent in wear resistance made of iron-base sintered alloy for internal combustion engines, and assembly of valve seat insert and valve | Hiroshi Oshige, Ayato OIKAWA | 2020-03-31 |
| 10273838 | Valve seat insert for internal combustion engine having excellent wear resistance | Satoshi IKEMI, Hiroshi Oshige, Tomoki Okita, Keisuke Ishii, Toshiyuki Sawada +1 more | 2019-04-30 |