YK

Yoshiyuki Katayama

Kubota: 12 patents #127 of 2,059Top 7%
Overall (All Time): #422,973 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
8308597 Speed change transmission system Minoru Hiraoka, Satoshi Machida 2012-11-13
8172714 Speed changing transmission apparatus Shoso Ishimori, Yoshihiro Ueda, Shinichi Morita, Shinichi Kawabata, Shigeki Hayashi +3 more 2012-05-08
8096912 Speed change transmission device Minoru Hiraoka, Shoso Ishimori 2012-01-17
8047942 Speed change transmission apparatus Yoshihiro Ueda, Shinichi Morita 2011-11-01
7887449 Speed-change transmission apparatus Yoshihiro Ueda, Shoso Ishimori, Minoru Hiraoka 2011-02-15
7316322 Quality evaluation apparatus for fruits and vegetables Shinichi Kawabata, Kenichi Iwami 2008-01-08
5088020 Pivotal movement control device for boom-equipped working machine Tetsuya Nishida 1992-02-11
4949264 Transmission having electromagnetic proportional reduction valve Takeshi Ura 1990-08-14
4924983 Propelling clutch apparatus for a working vehicle Takeshi Ura, Akio Inamori 1990-05-15
4553605 Work-vehicle with rolling-control mechanism Tetsuya Nishida 1985-11-19
4315548 Tractor with a traction load sensing device Norimi Nakamura, Shigeaki Okuyama, Shigekazu Hasegwa, Mituhiko Obe 1982-02-16
4300638 Automatic position control apparatus for ground working vehicle Shigekazu Hasegawa, Shigeaki Okuyama, Norimi Nakamura 1981-11-17