YM

Yasuji Mizutani

TO Toyota: 41 patents #286 of 26,838Top 2%
AC Advics Co.: 8 patents #75 of 686Top 15%
Aisin Seiki Kabushiki Kaisha: 4 patents #844 of 3,782Top 25%
Overall (All Time): #67,929 of 4,157,543Top 2%
44
Patents All Time

Issued Patents All Time

Showing 26–44 of 44 patents

Patent #TitleCo-InventorsDate
7070248 Vehicle braking force control device and control method of the same Masahiro Hara, Kouji Yotsuya, Tomihiro Wada 2006-07-04
6953229 Hydraulic braking system and method with flow control device Hiroshi Isono, Takayuki Yamamoto 2005-10-11
6945610 Hydraulic braking system wherein electrically controllable assisting drive force is applied to master cylinder piston upon brake pedal operation Hiroshi Isono 2005-09-20
6923511 Vehicle braking force control device and control method of the same Masahiro Hara, Kouji Yotsuya, Tomihiro Wada 2005-08-02
6899403 Braking system having pressure control cylinder whose piston is displaceable by controlled drive source Hiroshi Isono, Takayuki Yamamoto 2005-05-31
6805415 Brake device Hiroshi Isono 2004-10-19
6739676 Braking system having vacuum booster whose boosting ratio is lowered at fixed transition point at which wheel cylinder pressure increase is initiated Hiroshi Isono, Yutaka Onuma, Koichi Kondo, Hirofumi Nitta, Motoshi Suzuki 2004-05-25
6688705 Pressure control apparatus wherein pressure control actuator is controlled based on two or more provisionally determined control values Hiroshi Isono 2004-02-10
6666530 Vacuum booster apparatus and a brake apparatus Motoshi Suzuki, Hirofumi Nitta 2003-12-23
6612660 Vacuum booster apparatus and a brake apparatus Motoshi Suzuki, Hirofumi Nitta 2003-09-02
6604795 Braking system including high-pressure source between master cylinder and brake cylinder Hiroshi Isono, Takayuki Yamamoto 2003-08-12
6460944 Braking system wherein brake operating force is made larger than a value corresponding to booster output Hiroshi Isono 2002-10-08
6431662 VEHICLE BRAKING PRESSURE SOURCE DEVICE WHEREIN FLUID COMMUNICATION BETWEEN PRESSURIZING AND BACK-PRESSURE CHAMBERS OF MASTER CYLINDER IS CONTROLLED BASED ON VEHICLE RUNNING STATE AND/OR ROAD SURFACE CONDITION Hiroshi Isono 2002-08-13
6412882 Vehicle braking system having devices for controlling fluid flows between pressurizing and assisting chambers of master cylinder and pressure source and reservoir Hiroshi Isono 2002-07-02
6412883 Vacuum booster apparatus and a brake apparatus Motoshi Suzuki, Hirofumi Nitta 2002-07-02
6398316 Vacuum booster apparatus and a brake apparatus Motoshi Suzuki, Hirofumi Nitta 2002-06-04
6382737 Apparatus in braking system, for diagnosing pressurizing device based on fluid pressure detected during operation of the device prior to operation of the braking system Hiroshi Isono 2002-05-07
6367893 Brake booster pressure control apparatus Hiroyuki Mizuno, Yoshihisa Yamada, Shirou Monzaki 2002-04-09
6289271 Brake booster diagnosing apparatus capable of optimizing determination of abnormality of booster Hiroshi Isono 2001-09-11