RM

Ryohei Maruo

HS Hitachi Automotive Systems: 12 patents #102 of 1,636Top 7%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
HA Hitachi Astemo: 1 patents #649 of 1,276Top 55%
Overall (All Time): #338,818 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
11999336 Stroke simulator and brake control apparatus Takahiro Kawakami 2024-06-04
10668909 Master cylinder unit Naganori Koshimizu, Hiroshi Owada, Toshiya Oosawa 2020-06-02
10562504 Master cylinder unit Naganori Koshimizu, Hiroshi Owada, Chiharu Nakazawa 2020-02-18
10328919 Brake apparatus and brake system Masaki Misunou, Chiharu Nakazawa 2019-06-25
10207690 Brake apparatus Chiharu Nakazawa 2019-02-19
10207691 Brake apparatus Chiharu Nakazawa 2019-02-19
10202108 Brake apparatus and brake system Masaki Misunou, Chiharu Nakazawa 2019-02-12
9764723 Brake unit Masayuki Saito, Chiharu Nakazawa 2017-09-19
9527486 Brake device Masayuki Saito, Chiharu Nakazawa, Toshiya Oosawa, Asahi WATANABE, Hiroki Sonoda 2016-12-27
9428168 Brake device Masayuki Saito, Chiharu Nakazawa 2016-08-30
9242626 Brake device Chiharu Nakazawa 2016-01-26
8684473 Gear pump and gear pump for brake apparatus Chiharu Nakazawa, Yoshiki Sakamoto, Toshihiro Koizumi 2014-04-01
8579616 Gear pump Toshihiro Koizumi, Chiharu Nakazawa 2013-11-12
8257070 Seal apparatus of gear pump Toshihiro Koizumi, Norihiro Saita 2012-09-04