Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7044088 | Multi-cylinder engine and a method for alternatively producing multi-cylinder engines | Masahiro Aketa, Wataru Iwanaga | 2006-05-16 |
| D499741 | Selective portions of a internal combustion engine | Masahiro Aketa, Wataru Iwanaga, Yuzo Umeda | 2004-12-14 |
| D494191 | Internal combustion engine | Masahiro Aketa, Wataru Iwanaga, Yuzo Umeda | 2004-08-10 |