Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12158120 | Cylinder head, cylinder block, internal combustion engine, and method for manufacturing cylinder head | Masayuki Iizumi, Motoi Kawashima, Takuya Kumagai, Makoto Sakaguchi, Kazunori Sawazaki +1 more | 2024-12-03 |
| 11994084 | Cylinder head, cylinder block, internal combustion engine, and method for manufacturing cylinder head | Masayuki Iizumi, Motoi Kawashima, Takuya Kumagai, Makoto Sakaguchi, Kazunori Sawazaki +1 more | 2024-05-28 |