TK

Tomoyasu Kada

KC Koyo Seiko Co.: 9 patents #39 of 749Top 6%
JT Jtekt: 8 patents #189 of 1,969Top 10%
📍 Kaizuka, JP: #2 of 48 inventorsTop 5%
Overall (All Time): #276,600 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
9448137 Test system Hiroshi Yoshimoto, Ryouhei Hayama, Masaharu Tagami, Aris Maroonian 2016-09-20
9442043 Vehicle test apparatus and vehicle test system Masaharu Tagami, Ryouhei Hayama, Takeshi Watanabe, Aris Maroonian 2016-09-13
8744687 Vehicle steering apparatus Ryouhei Hayama, Shingo Maeda, Shuuji Kimura 2014-06-03
8660749 Motor vehicle steering system Ryouhei Hayama, Shiro Nakano 2014-02-25
8224528 Vehicle steering apparatus Ryouhei Hayama, Shingo Maeda, Shuuji Kimura 2012-07-17
8177019 Steering device for vehicle Shoji Koyama, Ryohei Hayama 2012-05-15
7678004 Steering apparatus Kosuke Yamanaka, Shiro Nakano, Masami Naka 2010-03-16
7568989 Rotation transmitting apparatus and vehicle steering apparatus Masami Naka, Shiro Nakano, Kosuke Yamanaka, Atsushi Ishihara, Kenji Higashi +1 more 2009-08-04
7147080 Steering apparatus for vehicle Masayasu Higashi, Shingo Maeda, Masaya Segawa, Shuuji Kimura, Ryouhei Hayama 2006-12-12
6896090 Vehicle steering device Naotake Kanda, Kenji Higashi, Ryouhei Hayama, Takeo Iino, Shingo Maeda +1 more 2005-05-24
6871717 Vehicle steering system 2005-03-29
6763907 Vehicle steering apparatus Masayuki Ueno, Katsutoshi Nishizaki, Ryouhei Hayama, Naotake Kanda, Shirou Nakano +6 more 2004-07-20
6671597 Electric power steering controller 2003-12-30
6382345 Electric power steering system Shiro Nakano, Ryouhei Hayama 2002-05-07
6364051 Electric power steering system Shiro Nakano, Katsutoshi Nishizaki, Takanobu Takamatsu, Masaya Segawa, Ryouhei Hayama 2002-04-02
5954152 Power steering device Shiro Nakano, Isao Kuramoto 1999-09-21
5826677 Vehicle steering device Katsutoshi Nishizaki, Yoshihiro Goto, Shiro Nakano, Yoshinobu Shimizu 1998-10-27