FY

Fumiyuki Yamaoka

AU Atsugi Unisia: 24 patents #1 of 117Top 1%
HS Hitachi Automotive Systems: 13 patents #88 of 1,636Top 6%
AC Atsugi Motor Parts Company: 9 patents #1 of 93Top 2%
UJ Unisia Jecs: 4 patents #74 of 395Top 20%
HA Hitachi Astemo: 2 patents #393 of 1,276Top 35%
HA Hitachi Unisia Automotive: 1 patents #26 of 62Top 45%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #45,648 of 4,157,543Top 2%
55
Patents All Time

Issued Patents All Time

Showing 1–25 of 55 patents

Patent #TitleCo-InventorsDate
12066075 Shock absorber Joji Endo 2024-08-20
11867253 Shock absorber 2024-01-09
10876589 Shock absorber Mikio Yamashita 2020-12-29
10352390 Damper and method of assembling damper Kengo Hase, Shunsuke Mori, Mikio Yamashita, Daiki Miyazawa 2019-07-16
10343477 Shock absorber-equipped vehicle Mikio Yamashita 2019-07-09
9810281 Damping force control type shock absorber Shunsuke Mori, Mikio Yamashita 2017-11-07
9500256 Suspension device Mikio Yamashita 2016-11-22
9309945 Shock absorber Atsushi Maeda, Masaru Kouyama, Mikio Yamashita 2016-04-12
9234559 Joined body, shock absorber, and method for manufacturing shock absorber Yusuke Maegawa, Makoto Nishimura 2016-01-12
9139065 Shock absorber Mikio Yamashita, Masaru Kouyama, Kunio Takiguchi, Atsufumi Ishimoto 2015-09-22
8794405 Damping force control type shock absorber Mikio Yamashita 2014-08-05
8746423 Shock absorber Atsushi Maeda, Masaru Kouyama, Mikio Yamashita 2014-06-10
8695766 Shock absorber Mikio Yamashita, Masaru Kouyama, Atsushi Maeda 2014-04-15
8651252 Shock absorber Yohei Katayama, Takao Nakadate, Kenji Noda, Mikio Yamashita 2014-02-18
8590680 Shock absorber Atsushi Maeda, Masaru Kouyama, Mikio Yamashita 2013-11-26
7290638 Electric power steering system Kohtaro Shiino, Tadaaki Fujii, Toshiro Yoda 2007-11-06
6711482 Vehicular suspension rigidity controlling apparatus and method with roll-over preventive feature Kohtaro Shiino 2004-03-23
6547046 Hydraulic damper Hiroyuki Yamaguchi 2003-04-15
6098765 Rotary damper Hiroshi Kato, Mitsuo Sasaki 2000-08-08
5526262 Automotive suspension control system utilizing variable damping force shock absorber Makoto Kimura, Shinobu Kakizaki, Toru Takahashi, Mitsuo Sasaki 1996-06-11
5510985 System for controlling damping force characteristic of shock absorber of vehicle Toru Takahashi, Tetsuya Okamura, Michiya Nakamura 1996-04-23
5446663 Apparatus for controlling damping coefficient for vehicular shock absorber Mitsuo Sasaki, Shinobu Kakizaki, Toru Takahashi, Makoto Kimura 1995-08-29
5440488 System for controlling damping force characteristic of shock absorber of vehicle Mitsuo Sasaki 1995-08-08
5398184 Apparatus for controlling damping coefficient of vehicular shock absorber Toru Takahashi, Shinobu Kakizaki, Junichi Emura, Mitsuo Sasaki, Makoto Kimura 1995-03-14
5322318 Automotive suspension system for anti-rolling control Makoto Kimura, Shinobu Kakizaki, Toru Takahashi, Mitsuo Sasaki 1994-06-21