Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
TH

Tomoo Harada — 20 Patents

ACAdvics Co.: 14 patents #35 of 686Top 6%
Denso: 6 patents #2,220 of 11,792Top 20%
NCNippondenso Co.: 2 patents #1,150 of 3,479Top 35%
Overall (All Time): #218,149 of 4,157,543Top 6%
20 Patents All Time

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
12018675 Pump having a valve mechanism stopping and permitting flow between a suction chamber and a discharge chamber 2024-06-25
11353018 Piston pump Tomokazu Aono 2022-06-07
10486667 Pressure regulating reservoir 2019-11-26
9010362 Pressure control reservoir with check valve Kouji Aoba, Noriaki Asechi, Kazuma Shigeta 2015-04-21
8746811 Brake fluid pressure control device Koichi Okamura, Chikage Nakamura 2014-06-10
8672418 Sealing structure for piston and piston pump and brake hydraulic pressure control device incorporating the structure Tsunekazu Nishida 2014-03-18
8491287 Piston pump Kazuyuki Murai 2013-07-23
8388326 Piston pump assembly having a cylinder member with strain-absorbing portions Atsushi Sumimoto 2013-03-05
8215724 Pressure regulating reservoir Koji Aoba, Kazuma Shigeta 2012-07-10
8043072 Filter, piston pump using the filter, and method of mounting the filter in a valve seat member of the piston pump Junichi Maeda 2011-10-25
8011906 Piston pump 2011-09-06
7891959 Piston pump Junichi Maeda 2011-02-22
7704058 Piston pump Junichi Maeda 2010-04-27
7690899 Piston pump 2010-04-06
6715847 Rotary pump with higher discharge pressure and brake apparatus having same Takahiro Yamaguchi, Takashi Sato, Hiroshi Kondo, Toshihiko Kawamura 2004-04-06
6474752 Rotary pump and braking device using same Takahiro Yamaguchi, Toshiya Morikawa 2002-11-05
6273527 Rotary pump with better fluid sealing structure and brake apparatus having same Takahiro Yamaguchi, Takashi Satou, Takeshi Fuchida, Hiroyuki Shinkai, Toshiya Morikawa 2001-08-14
6270169 Rotary pump and braking device using same Takahiro Yamaguchi, Toshiya Morikawa 2001-08-07
5577896 Pump 1996-11-26
5435637 Hydraulic brake control system for vehicle Makoto Imaeda 1995-07-25