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Koganei Corporation

USPTO Granted Patents = 139

EPO Patents = 26

Trademarks = 6

Forward Citations = 753

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125 inventors (with patents filed for the assignee):

Takeo Yajima (21 out of 22 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. Hiroshi Yoshida (5 out of 152 patents)

10. Kazuya Okamoto (5 out of 39 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 59 patents)

Core Competencies:

Glycan Synthesis

Liquid Supplying Device

Electromagnetic Valve

Solenoid Valve

Industrial Robot Arm

Fluid Control Device

Shock Absorber

Ion Generator

Air Blow Gun

Compliance Unit

Ejector

Filter Regulator

139 patents: Sort by Forward Citations

1. 12404293 - Method for producing glycan, building block for gylican synthesis, and compound (2025-09-02),

2. 12343754 - Liquid supplying device (2025-07-01),

3. 12140242 - Manifold electromagnetic valve and valve base (2024-11-12),

4. 12117093 - Manifold solenoid valve and valve base (2024-10-15),

5. 12109685 - Alignment device (2024-10-08),

6. 11994225 - Solenoid valve manifold (2024-05-28),

7. 11732818 - Electromagnetic valve, valve device, fluid control device, and electromagnetic valve replacement method (2023-08-22),

8. 11192051 - Element assembly and filter (2021-12-07),

9. 11148156 - Switching valve and intermittent air blow gun (2021-10-19),

10. 10962987 - Group robot and collective movement controlling method for group robot (2021-03-30),

11. 10870141 - Shock absorber and press apparatus using the same (2020-12-22),

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

13. 10859403 - Position detecting apparatus and actuator (2020-12-08),

14. D900184 - Aligning unit for industrial robot arm (2020-10-27),

15. 10774854 - Tube-fixing tool and actuator (2020-09-15),

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 - Dec 9 2025

139 Patents

#390 in Tokyo

#877 in Japan

#5,664 in the World

Koganei Corporation

Forward Citations = 753

125 inventors:

Takeo Yajima (21 out of 22 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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