Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7762787 | Engine driven working machine | Toshinori Inagawa, Tsutomu Wakitani | 2010-07-27 |
| 7681339 | Self-propelled snow remover | Tsutomu Wakitani | 2010-03-23 |
| 7673402 | Self-propelled work machine | Tsutomu Wakitani, Norikazu Shimizu | 2010-03-09 |
| 7666117 | Power-transmission control mechanism for lawn mower | Hiroshi Kobayashi | 2010-02-23 |
| 7647032 | Oscillation control device and synchronization system | Michito Imae, Tomonari Suzuyama, Yasuhisa Fujii, Yoshinobu Kasumi, Eiji Ogita | 2010-01-12 |
| 7581339 | Snow removing machine | Tsutomu Mizoroke, Naotoshi Ono | 2009-09-01 |
| 7554213 | Load control mechanism for self-propelled working machine | Hiroshi Kobayashi | 2009-06-30 |
| 7487608 | Walk-behind self-propelled snow removing machine | Nobuo Yamazaki, Kiyomi Yanai, Norikazu Shimizu, Tsutomu Wakitani | 2009-02-10 |
| 7305778 | Self-propelled working machine | Tsutomu Wakitani, Norikazu Shimizu | 2007-12-11 |
| 7292009 | Hybrid type working machine | Tsutomu Inui, Tsutomu Wakitani | 2007-11-06 |
| 7267188 | Electric vehicle | Tsutomu Wakitani, Norikazu Shimizu | 2007-09-11 |
| 7134261 | Hybrid type working machine | Tsutomu Inui, Hiroo Kanke, Tsutomu Wakitani | 2006-11-14 |
| 7100312 | Working machine | Tsutomu Wakitani, Norikazu Shimizu | 2006-09-05 |
| 7015662 | Engine operated machine | Tsutomu Wakitani, Toshinori Inagawa, Yoshihisa Shinogi | 2006-03-21 |
| 6958549 | Hybrid type driving apparatus | Tsutomu Wakitani, Hiroshi Kobayashi | 2005-10-25 |
| 6434763 | Seat supporting table for a barber or beauty chair and hair washer with the seat supporting table | — | 2002-08-20 |
| D447651 | Leg for barber or beauty chair | Kazuo Ooyama | 2001-09-11 |
| 6155642 | Barber/beauty chair | Tadashi Ijichi | 2000-12-05 |