Issued Patents All Time
Showing 1–25 of 68 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8479503 | Axle driving apparatus | Norihiro Ishii, Ryota Ohashi | 2013-07-09 |
| 8046992 | Axle driving apparatus | Norihiro Ishii, Ryota Ohashi | 2011-11-01 |
| 7637346 | Axle driving unit for a lawn tractor | Norihiro Ishii, Ryota Ohashi | 2009-12-29 |
| 7621125 | Axle driving system | Hideaki Okada, Ryota Ohashi | 2009-11-24 |
| 7596946 | Axle driving apparatus | Norihiro Ishii, Ryota Ohashi | 2009-10-06 |
| 7546731 | Axle driving apparatus | Norihiro Ishii, Ryota Ohashi | 2009-06-16 |
| 7536858 | Axle driving apparatus | Norihiro Ishii, Ryota Ohashi | 2009-05-26 |
| 7500362 | Axle driving apparatus | Norihiro Ishii, Ryota Ohashi | 2009-03-10 |
| 7493758 | Axle driving apparatus | Norihiro Ishii, Ryota Ohashi | 2009-02-24 |
| 7490692 | Axle driving unit for a lawn tractor | Norihiro Ishii, Ryota Ohashi | 2009-02-17 |
| 7484364 | Axle driving apparatus | Norihiro Ishii, Ryota Ohashi | 2009-02-03 |
| 7448209 | Axle driving apparatus | Norihiro Ishii, Ryota Ohashi | 2008-11-11 |
| 7445077 | Axle driving unit for a lawn tractor | Norihiro Ishii, Ryota Ohashi | 2008-11-04 |
| 7434651 | Axle driving unit for a lawn tractor | Norihiro Ishii, Ryota Ohashi | 2008-10-14 |
| 7430862 | Axle driving apparatus | Norihiro Ishii, Ryota Ohashi | 2008-10-07 |
| 7431123 | Vehicle improved in steering | Koji Irikura, Norihiro Ishii, Ryota Ohashi, Kenichi Takada, Hirohiko Kawada +3 more | 2008-10-07 |
| 7419030 | Axle driving unit for a lawn tractor | Norihiro Ishii, Ryota Ohashi | 2008-09-02 |
| 7387185 | Axle driving unit for a lawn tractor | Norihiro Ishii, Ryota Ohashi | 2008-06-17 |
| 7360613 | Transmission for speed changing and steering of a vehicle | Toshiyuki Hasegawa, Travis Smith McCloud, Keith J. Andrews | 2008-04-22 |
| 7340891 | Axle driving system | Hideaki Okada, Ryota Ohashi | 2008-03-11 |
| 7261178 | Four wheel-drive vehicle | Hideaki Okada, Michio Tsukamoto | 2007-08-28 |
| 7225618 | Axle driving system | Hideaki Okada, Ryota Ohashi | 2007-06-05 |
| 7127890 | Axle driving system | Hideaki Okada, Ryota Ohashi | 2006-10-31 |
| 7121093 | Axle driving apparatus | Norihiro Ishii, Ryota Ohashi | 2006-10-17 |
| 7090045 | Four wheel-drive vehicle | Hideaki Okada, Michio Tsukamoto | 2006-08-15 |