KO

Kunihiro Oka

JT Jtekt: 10 patents #140 of 1,969Top 8%
KC Koyo Seiko Co.: 6 patents #78 of 749Top 15%
GA Gates Unitta Asia: 3 patents #7 of 21Top 35%
Overall (All Time): #286,318 of 4,157,543Top 7%
16
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12371092 Steering device Yoshihiro Oono, Yasuyuki Nozawa, Ryoichi Tokioka 2025-07-29
11377134 Steering device Takeshi Watanabe, Yasuyuki Nozawa, Kei Kitahara 2022-07-05
8689926 Vehicle steering apparatus and manufacturing method of same Shigeki Nagase, Shiro Nakano, Ken Matsubara, Motoo Nakai, Naotake Kanda +3 more 2014-04-08
8408353 Vehicle steering apparatus Shigeki Nagase, Ken Matsubara, Minoru Sentoku, Motoo Nakai, Kouya Yoshida +2 more 2013-04-02
8245813 Steering apparatus Takahiro Mizuno, Shiro Nakano 2012-08-21
7841443 Steering apparatus Takahiro Mizuno, Shiro Nakano 2010-11-30
D602411 Power steering actuator Shigeki Nagase, Ken Matsubara, Nobuhiro Uchida, Naotake Kanda 2009-10-20
D599263 Power steering actuator Shigeki Nagase, Ken Matsubara, Nobuhiro Uchida, Naotake Kanda 2009-09-01
D589858 Power steering actuator Shigeki Nagase, Ken Matsubara, Nobuhiro Uchida, Naotake Kanda 2009-04-07
7413052 Electric power steering apparatus Hiroto Sasaki, Takehiro Saruwatari, Kensaku Nakamura, Atsuya Miyata, Kazuaki Nagamatsu +2 more 2008-08-19
7191866 Electric power steering apparatus Hiroto Sasaki, Takehiro Saruwatari, Kensaku Nakamura, Atsuya Miyata, Kazuaki Nagamatsu +2 more 2007-03-20
6938722 Electric power steering apparatus Hiroto Sasaki, Takehiro Saruwatari, Kensaku Nakamura, Atsuya Miyata, Kazuaki Nagamatsu +2 more 2005-09-06
6918457 Electric power steering system Takehiro Saruwatari, Masanori Arima 2005-07-19
6782771 Joint and a steering assist system using the same Osamu Sano, Takeo Iino, Masanori Kobayashi, Shigetaka Kinme 2004-08-31
6708796 Electric power steering apparatus Shigetaka Kinme, Tatsuhiro Yamamoto, Susumu Imagaki, Osamu Sano, Tomoyuki Takei +3 more 2004-03-23
6629578 Electric power steering system Takehiro Saruwatari, Masanori Arima 2003-10-07