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Kawasaki, Japan

Tokico, Ltd.

USPTO Granted Patents = 548

% Expired Patents = 0.91

Trademarks = 3

Forward Citations = 7,994

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389 inventors (with patents filed for the assignee):

Hiromi Ando (37 out of 42 patents)

Yoshihiro Hayashida (32 out of 33 patents)

Toshio Takayama (30 out of 34 patents)

4. Tetsuo Haraikawa (27 out of 27 patents)

5. Kinzo Kobayashi (26 out of 27 patents)

6. Takashi Nezu (22 out of 28 patents)

7. Kunihiro Matsunaga (17 out of 17 patents)

8. Nobuyuki Ichimaru (15 out of 47 patents)

9. Takao Nakadate (15 out of 27 patents)

10. Mitsuhiro Endo (15 out of 22 patents)

11. Masahiro Ashiba (15 out of 15 patents)

12. Tetuo Kato (14 out of 14 patents)

13. Yasuo Karasudani (14 out of 14 patents)

14. Masaaki Uchiyama (13 out of 47 patents)

15. Shinji Suzuki (13 out of 16 patents)

Core Competencies:

Disc Brake

Hydraulic Shock Absorber

Pneumatic Booster

Damping Force Control

Brake Control System

Suspension Control

Motor-Driven Brake

Scroll Compressor

Air Suspension

Brake Fluid Pressure Control

Solenoid-Controlled Valve

548 patents: Sort by Forward Citations

1. 6880680 - Electrically actuatable disc brake (2005-04-19),

2. 6862882 - Pneumatic booster (2005-03-08),

3. 6860370 - Controllable damping force hydraulic shock absorber (2005-03-01),

4. 6854572 - Electrically operated disc brake (2005-02-15),

5. 6840043 - Master cylinder (2005-01-11),

6. 6817454 - Damping force control type hydraulic shock absorber (2004-11-16),

7. 6811002 - Disc brake (2004-11-02),

8. 6808373 - Scroll fluid machine having projections on a wrap peripheral surface (2004-10-26),

9. 6796772 - Ejector and negative-pressure supply apparatus using the same (2004-09-28),

10. 6782980 - Controllable damping force hydraulic shock absorber (2004-08-31),

11. 6729446 - Solenoid-operated driving apparatus and damping force control type hydraulic shock absorber using the same (2004-05-04),

12. 6701235 - Suspension control system (2004-03-02),

13. 6698202 - Master cylinder (2004-03-02),

14. 6637838 - Pneumatic booster (2003-10-28),

15. 6625981 - Pneumatic booster and vacuum control valve used therefor (2003-09-30),

Company Overview

Tokico, Ltd. is a prominent Japanese company headquartered in Kawasaki, specializing in advanced vehicle braking systems. The organization focuses on the development and manufacturing of critical automotive components, including disc brakes, hydraulic shock absorbers, and pneumatic boosters. Tokico is also engaged in innovative technologies such as damping force control and brake control systems, enhancing vehicle safety and performance. With expertise in suspension control and motor-driven brakes, the company plays a vital role in the automotive engineering sector.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

548 Patents

#9 in Kawasaki

#361 in Japan

#1,774 in the World

Kawasaki, Japan

Tokico, Ltd.

Forward Citations = 7,994

389 inventors:

Hiromi Ando (37 out of 42 patents)

Yoshihiro Hayashida (32 out of 33 patents)

Toshio Takayama (30 out of 34 patents)

4. Tetsuo Haraikawa (27 out of 27 patents)

5. Kinzo Kobayashi (26 out of 27 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tokico, Ltd.. Retrieved from https://idiyas.com/company/tokico

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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