RH

Ryouhei Hayama

JT Jtekt: 18 patents #37 of 1,969Top 2%
KC Koyo Seiko Co.: 14 patents #18 of 749Top 3%
SS Sumitomo (Sei) Brake Systems: 1 patents #7 of 18Top 40%
Overall (All Time): #113,443 of 4,157,543Top 3%
32
Patents All Time

Issued Patents All Time

Showing 25 most recent of 32 patents

Patent #TitleCo-InventorsDate
9988081 Steering system Kazushi Numazaki, Hideyuki MUKAE 2018-06-05
9448137 Test system Hiroshi Yoshimoto, Tomoyasu Kada, Masaharu Tagami, Aris Maroonian 2016-09-20
9442043 Vehicle test apparatus and vehicle test system Masaharu Tagami, Tomoyasu Kada, Takeshi Watanabe, Aris Maroonian 2016-09-13
9227657 Vehicle steering system Akihiro TAKAZATO 2016-01-05
9126618 Vehicle steering system 2015-09-08
9108667 Motor vehicle steering system Naotake Kanda 2015-08-18
9043091 Vehicle steering system 2015-05-26
8909429 Vehicle steering system 2014-12-09
8862329 Control apparatus for steering mechanism 2014-10-14
8855859 Vehicle steering system and material handling vehicle 2014-10-07
8744687 Vehicle steering apparatus Tomoyasu Kada, Shingo Maeda, Shuuji Kimura 2014-06-03
8660749 Motor vehicle steering system Shiro Nakano, Tomoyasu Kada 2014-02-25
8467939 Motor vehicle steering system 2013-06-18
8224528 Vehicle steering apparatus Tomoyasu Kada, Shingo Maeda, Shuuji Kimura 2012-07-17
8185270 Vehicle steering device Kenji Higashi, Shingo Maeda 2012-05-22
8131426 Vehicle steering system Shingo Maeda, Masami Naka, Kenji Higashi 2012-03-06
7862084 Vehicle steering apparatus Shingo Maeda, Sadahiro Kawahara, Shiro Nakano, Kou Shiba 2011-01-04
7806224 Vehicle steering apparatus Shingo Maeda, Sadahiro Kawahara, Shiro Nakano, Kou Shiba 2010-10-05
7233850 Vehicle steering apparatus Shirou Nakano, Sachio Yoshida 2007-06-19
7147080 Steering apparatus for vehicle Masayasu Higashi, Shingo Maeda, Masaya Segawa, Shuuji Kimura, Tomoyasu Kada 2006-12-12
6968262 Steering angle correction device Masayasu Higashi 2005-11-22
6896090 Vehicle steering device Naotake Kanda, Tomoyasu Kada, Kenji Higashi, Takeo Iino, Shingo Maeda +1 more 2005-05-24
6763907 Vehicle steering apparatus Masayuki Ueno, Katsutoshi Nishizaki, Naotake Kanda, Shirou Nakano, Takeo Iino +6 more 2004-07-20
6719088 Vehicle steering apparatus Shirou Nakano 2004-04-13
6698542 Steering device for vehicle Katsutoshi Nishizaki, Shirou Nakano, Takanobu Takamatsu, Masaya Segawa, Kazuhiro Kato 2004-03-02