Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D692797 | Helicopter | Shintaro Ohnishi, Masanori Yoshihara, Ikuhiko Hirami, Yoshihisa Matsubara | 2013-11-05 |
| D594819 | Portable generator | Masanobu Yamamoto, Shigeyoshi Iwatate | 2009-06-23 |
| D572658 | Engine generator | Masanobu Yamamoto, Shigeyoshi Iwatate | 2008-07-08 |
| D543215 | Outboard motor | Daisuke Nakamura | 2007-05-22 |
| D542809 | Fuel tank of outboard motor | Daisuke Nakamura | 2007-05-15 |
| D478043 | Engine generator | Shigeyoshi Iwatate, Naoto Mazuka | 2003-08-05 |
| D477569 | Portable engine generator | Shigeyoshi Iwatate, Satoru Akimoto, Makoto Yokokura | 2003-07-22 |