YT

Yoshio Tomiyama

Kubota: 19 patents #61 of 2,059Top 3%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #224,985 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
8205701 Operating system for tractor Takashi Kuramoto, Masashi Osuga, Hiroshi Shimada, Takeshi Komorida, Hironobu Nishihara +2 more 2012-06-26
7992373 Lawn mower with grass collecting unit support Satoshi Ogata 2011-08-09
7558658 Operating system for tractor Takashi Kuramoto, Masashi Osuga, Hiroshi Shimada, Takeshi Komorida, Hironobu Nishihara +2 more 2009-07-07
7222485 Hydrostatic continuously variable transmission Takashi Shibata, Takashi Kuramoto, Hiroshi Shimada, Takeshi Komorida, Kenji Nishihara +1 more 2007-05-29
6959780 Vibration damping system for an engine mounted on a vehicle Hiroshi Oshima, Masashi Osuga, Hiroshi Kawabata 2005-11-01
6729431 Tractor with implement mounting frame Masashi Osuga, Hiroshi Shimada, Takashi Shibata, Hiroshi Oshima, Eriya Harada +1 more 2004-05-04
6720679 Interlock circuit for a working vehicle Eriya Harada, Nobuyuki Yamashita, Shinichiro Saji, Takashi Shibata 2004-04-13
6584757 Mowing machine with dumping grass catcher Takeshi Komorida, Takashi Fujii, Nobuyuki Yamashita 2003-07-01
6276119 Apparatus for suspending a mower unit from a vehicle body Hiroshi Oshima, Masaki Hayashi, Hiroshi Kawabata 2001-08-21
5887671 Working vehicle with power steering Mikio Yuki, Hiroyuki Ogasawara, Masatake Murakawa, Kazuaki Kurohara, Nobuyuki Yamashita +5 more 1999-03-30
5355661 Lawn mower having a steering handle switchable between a walking mode and a riding mode 1994-10-18
5337543 Lawn mower for use both as riding and walking operator type Junichi Kitamura, Hirofumi Sadakane 1994-08-16
5307612 Lawn mower having a steering handle switchable between a walking mode and a riding mode Junichi Kitamura 1994-05-03
5247784 Transmission system capable of driving right and left drive wheels at different speeds Junichi Kitamura, Hiroshi Oshima 1993-09-28
5155985 Working vehicle controllable by walking operator and having independently driven right and left ground wheels Hiroshi Oshima, Junichi Kitamura, Hirofumi Sadakane, Hideo Okura 1992-10-20
5138824 Safety system for a lawn mower Hiroshi Oshima, Hideo Ohkura, Hirofumi Sadakane 1992-08-18
5134405 Electromagnetically anechoic chamber and shield structures therefor Katsuo Ishihara 1992-07-28
4802814 Device for attaching front loader to tractor Isao Kourogi, Keiichi Masuda, Masami Hirooka, Kazunori Yoshiuchi, Takashi Gokenya 1989-02-07
D273384 Earth moving machine Hitoo Nasu, Yoshishioro Okita, Masami Hirooka, Yoshiaki Yanoshita, Kinichi Murata 1984-04-10
4265494 Crawler travelling apparatus Yoshitaka Matsubara, Shizuo Shimoie, Takao Watanabe 1981-05-05