Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8333673 | Drive shaft rotation direction switching device | — | 2012-12-18 |
| 8215090 | Walk behind work machine having an engine mounting structure | Tomoaki Ishikawa, Mai Ohba, Shuhei Maruyama | 2012-07-10 |
| 7789173 | Hydraulically driven vehicle | — | 2010-09-07 |
| 7159343 | Working machine | Tsuyoshi Yoshigasaki | 2007-01-09 |
| 7108089 | Walk-behind self-propelled working machine | Kenji Kuroiwa | 2006-09-19 |
| 7073613 | Motorized vehicle | Tsutomu Wakitani, Tsutomu Inui, Kenji Kuroiwa | 2006-07-11 |
| 7059071 | Self-propelled walk-behind snowplow vehicle | Naotoshi Ono, Kenji Kamata, Nobuo Yamazaki | 2006-06-13 |
| 6944979 | Snow removing machine | Kenji Kuroiwa, Takashi Ikeda, Masatoshi Nagaoka | 2005-09-20 |
| 6834448 | Snow removal machine | — | 2004-12-28 |
| 6805218 | Motorized vehicle | Tsutomu Wakitani, Tsutomu Inui, Kenji Kuroiwa | 2004-10-19 |
| 6742290 | Snow removing machine | — | 2004-06-01 |
| 6705028 | Self-propelled snowplow vehicle | Kenji Kuroiwa, Tsutomu Wakitani, Tsutomu Inui, Takahiro Yamamoto | 2004-03-16 |
| 6688022 | Walk behind self-propelled crawler snowplow | Masanori Takeishi, Kenji Kuroiwa | 2004-02-10 |
| 6564481 | Electric vehicle and transit control method thereof | Tsutomu Wakitani, Keiichiro Bungo, Kenji Kuroiwa, Tsutomu Inui, Hiroo Kanke +1 more | 2003-05-20 |
| 6550161 | Walk behind self-propelled crawler snowplow | Kenji Kuroiwa | 2003-04-22 |
| 6470603 | Walk behind self-propelled crawler snowplow | Masanori Takeishi, Kenji Kuroiwa | 2002-10-29 |
| 6453583 | Walk behind self-propelled crawler snowplow | Kenji Kuroiwa | 2002-09-24 |
| 6327799 | Snow-removing machine | Tomoki Ito, Seishu Sakai, Takahiro Yamamoto, Masayuki Yamamoto | 2001-12-11 |
| 6125954 | Continuously shifting-type steering system | Yoshitaka Oota, Tomoaki Ishikawa | 2000-10-03 |