YY

Yuu Yokoyama

TO Toyota: 14 patents #1,948 of 26,838Top 8%
DE Denso: 3 patents #3,857 of 11,792Top 35%
MM Mitsubishi Motors: 1 patents #856 of 1,823Top 50%
SU Suncall: 1 patents #37 of 92Top 45%
TC Toshiba Ceramics Co.: 1 patents #190 of 458Top 45%
Overall (All Time): #275,281 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
10030550 Valve device for internal combustion engine Toshiyuki Yano, Toru Sakuma, Yuta Nishimura, Atsuhisa Tamano 2018-07-24
9816407 Variable valve timing control device for internal combustion engine Shuhei Oe, Shota TODA, Yoshiki Endo, Toshiki Fujiyoshi 2017-11-14
9587523 Oil control valve Masaki Numakura 2017-03-07
9464542 Variable valve timing apparatus for internal combustion engine Masaki Numakura, Yoshiro KAMO 2016-10-11
9400026 Spiral spring Ryuji Kishihara, Naoya Wada, Keiichiro Teratoko, Akio Kidooka, Akira Hori 2016-07-26
9206712 Variable valve timing device Atsushi Hayashida, Haruhito Fujimura 2015-12-08
9200543 Variable valve timing device Ichiro Yamaguchi, Haruhito Fujimura 2015-12-01
9175583 Control device for internal combustion engine Toshio Imamura, Yoshiaki Miyazato, Masaki Numakura, Yoshiki Endo 2015-11-03
9010289 Control device for hydraulic variable valve timing mechanism Haruhito Fujimura, Masaki Numakura 2015-04-21
8925503 Variable valve device for internal combustion engine Yoshiaki Miyazato, Toshio Imamura, Masaki Numakura 2015-01-06
8910617 Control device for internal combustion engine Masaki Numakura 2014-12-16
8683968 Variable valve assembly for internal combustion engine Masaki Numakura 2014-04-01
8656876 Valve timing control apparatus Toshiki Fujiyoshi, Masaki Numakura 2014-02-25
8554455 Control apparatus for internal combustion engine Yoshiaki Miyazato, Toshio Imamura, Satoshi Yoshi, Yoshiki Endo, Yuu Ueda +1 more 2013-10-08
8522737 Variable valve timing mechanism with intermediate locking mechanism and fabrication method thereof Masaki Numakura 2013-09-03
7156059 Variable valve train apparatus for an internal combustion engine Shinichi Murata 2007-01-02
7090932 Plasma resistant member Yoshio Kobayashi, Masahiko Ichishima 2006-08-15