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Koganei Corporation

USPTO Granted Patents = 142

% Expired Patents = 38.0

EPO Patents = 26

Trademarks = 3

Forward Citations = 774

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103 inventors (with patents filed for the assignee):

Takeo Yajima (23 out of 23 patents)

Yoshinari Fukada (11 out of 11 patents)

Akiyoshi Horikawa (10 out of 11 patents)

4. Takeshi Yamauchi (9 out of 16 patents)

5. Hiraku Sakai (8 out of 8 patents)

6. Hirokazu Ohki (6 out of 6 patents)

7. Joji Inaba (6 out of 6 patents)

8. Yuta Ohmura (6 out of 6 patents)

9. Kazuya Okamoto (5 out of 119 patents)

10. Hiroshi Yoshida (5 out of 155 patents)

11. Kazuyoshi Onezawa (5 out of 5 patents)

12. Naoki Minowa (5 out of 5 patents)

13. Mitsuo Noda (5 out of 22 patents)

14. Akira Watanabe (5 out of 82 patents)

15. Takashi Doi (4 out of 60 patents)

Core Competencies:

Flow-Rate Control Valve

Liquid Supply Device

Solenoid Valve

Shock Absorber

Electromagnetic Valve

Air Blow Gun

Chemical Liquid Supply

Position Detecting Apparatus

Actuator

Filter Regulator

Ion Generator

Manifold Solenoid Valve

142 patents: Sort by Forward Citations

1. 12663097 - Control valve (2026-06-23),

2. 12571485 - Flow-rate control valve actuator (2026-03-10),

3. 12523202 - Liquid supply device (2026-01-13),

4. 12404293 - Method for producing glycan, building block for gylican synthesis, and compound (2025-09-02),

5. 12343754 - Liquid supplying device (2025-07-01),

6. 12140242 - Manifold electromagnetic valve and valve base (2024-11-12),

7. 12117093 - Manifold solenoid valve and valve base (2024-10-15),

8. 12109685 - Alignment device (2024-10-08),

9. 11994225 - Solenoid valve manifold (2024-05-28),

10. 11732818 - Electromagnetic valve, valve device, fluid control device, and electromagnetic valve replacement method (2023-08-22),

11. 11192051 - Element assembly and filter (2021-12-07),

12. 11148156 - Switching valve and intermittent air blow gun (2021-10-19),

13. 10962987 - Group robot and collective movement controlling method for group robot (2021-03-30),

14. 10870141 - Shock absorber and press apparatus using the same (2020-12-22),

15. 10864642 - Compliance unit (2020-12-15),

Koganei Corporation is a leading global manufacturer of pneumatic equipment and systems. With over 80 years of experience, Koganei has established a strong reputation for delivering high-quality, reliable, and innovative solutions to various industries. Their products include solenoid valves, air cylinders, air grippers, vacuum generators, and more. Koganei's commitment to technological advancement and customer satisfaction has made them a trusted partner for automation and industrial control applications. Visit their website to explore their product offerings and learn more about their capabilities.

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

Company Badge

USPTO Data Jan 1 1976 - Sep 22 2026

Koganei Corporation

142 Patents

#436 in Tokyo

#887 in Japan

#5,712 in the World

Koganei Corporation

Forward Citations = 774

103 inventors:

Takeo Yajima (23 out of 23 patents)

Yoshinari Fukada (11 out of 11 patents)

Akiyoshi Horikawa (10 out of 11 patents)

4. Takeshi Yamauchi (9 out of 16 patents)

5. Hiraku Sakai (8 out of 8 patents)

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