Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8303012 | Pick-up style utility vehicle with expandable cargo bed | Kenichi Sumi, Yoshitaka Nishikawa | 2012-11-06 |
| 6725905 | Radiator unit for engine and method of combining the same with engine | Michio Hirano | 2004-04-27 |
| 6655337 | V-type 2-cylinder engine | Micho Hirano, Takemi Inoue | 2003-12-02 |
| 6630007 | Air cleaner for internal combustion engine | Michio Hirano, Shinya Yoshidome | 2003-10-07 |
| 6626153 | Fuel injection engine | Micho Hirano, Takemi Inoue | 2003-09-30 |
| 6523506 | Water-cooled V-type engine with two cylinders | Michio Hirano, Takemi Inoue, Yukio Miki | 2003-02-25 |
| 6415754 | Rocker arm support mechanism | Michio Hirano | 2002-07-09 |
| RE33978 | Air-cooled overhead-valve engine | — | 1992-06-30 |
| 4811705 | Horizontal-shaft OHV engine | Hiromi Ono | 1989-03-14 |
| 4688529 | Lubricating system for horizontal cylinder overhead valve engine | Takashi Mitadera, Tomozo Nakagawa, Naotake Nii, Kozo Watanabe | 1987-08-25 |
| 4672922 | Air-cooled overhead-valve engine | — | 1987-06-16 |
| 4537160 | Air cleaner for an air-cooled engine | — | 1985-08-27 |
| 4470389 | Breather-lubricator system for engines | Takashi Mitadera, Fumikazu Miyanaga | 1984-09-11 |