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Kokusai Keisokuki Kabushiki Kaisha

USPTO Granted Patents = 44

EPO Patents = 19

Trademarks = 4

Forward Citations = 99

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30 inventors (with patents filed for the assignee):

Sigeru Matsumoto (36 out of 37 patents)

Kazuhiro Murauchi (28 out of 28 patents)

Hiroshi Miyashita (27 out of 27 patents)

4. Shuichi Tokita (8 out of 8 patents)

5. Kazuyoshi Tashiro (6 out of 6 patents)

6. Kiyoaki Haneishi (5 out of 5 patents)

7. Satoshi Ishitoya (4 out of 4 patents)

8. Masanobu Hasegawa (3 out of 4 patents)

9. Minoru Endo (2 out of 2 patents)

10. Tomotaka Sakagami (2 out of 2 patents)

11. Hiroki Miura (2 out of 6 patents)

12. Takeshi Teramoto (1 out of 1 patent)

13. Yasuyuki Mido (1 out of 1 patent)

14. Shigenobu Kawai (1 out of 1 patent)

15. Mitsuo Kakuta (1 out of 1 patent)

Core Competencies:

Oscillation Device

Dynamic Balance Testing

Impact Testing

Collision Simulation

Tire Testing

Electrodynamic Actuator

Testing Instrument

Hydraulic System

Chassis Dynamometer

Torsion Tester

Wheel Balance Measurement

Bearing Testing Machine

44 patents: Sort by Forward Citations

1. 12442715 - Oscillation device with counter balancer (2025-10-14),

2. 12422327 - Dynamic balance testing device (2025-09-23),

3. 12385817 - Impact test device (2025-08-12),

4. 12264989 - Wheel test device with rail wheel to contact test wheel while test wheel is rotatably supported (2025-04-01),

5. 12264988 - Collision simulation test apparatus and impact test apparatus (2025-04-01),

6. 12241808 - Tire testing device (2025-03-04),

7. 12209930 - Tire testing device (2025-01-28),

8. 12188843 - Test device for controlling a test process and method for testing a steering device (2025-01-07),

9. 12174089 - Tire testing device (2024-12-24),

10. 11898944 - Oscillation device with a vibrating table that houses an oscillated object (2024-02-13),

11. 11892371 - Collision simulation test apparatus and impact test apparatus (2024-02-06),

12. 11867588 - Tire testing device (2024-01-09),

13. 11824416 - Electrodynamic actuator and electrodynamic excitation device (2023-11-21),

14. 11609152 - Collision simulation test apparatus and impact test apparatus (2023-03-21),

15. 11549857 - Dynamic balance testing device (2023-01-10),

Kokusai Keisokuki Kabushiki Kaisha (K.K.K.) is a leading provider of measurement and control solutions. With a rich history in the industry, K.K.K. specializes in the development and manufacturing of high-quality industrial instrumentation. Their product range includes flow meters, level sensors, pressure gauges, temperature controllers, and more. K.K.K. aims to contribute to the advancement of society by delivering innovative and reliable measurement solutions to various sectors, including manufacturing, energy, and environmental industries.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

44 Patents

#758 in Tokyo

#1,825 in Japan

#15,270 in the World

Kokusai Keisokuki Kabushiki Kaisha

Forward Citations = 99

30 inventors:

Sigeru Matsumoto (36 out of 37 patents)

Kazuhiro Murauchi (28 out of 28 patents)

Hiroshi Miyashita (27 out of 27 patents)

4. Shuichi Tokita (8 out of 8 patents)

5. Kazuyoshi Tashiro (6 out of 6 patents)

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