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Kosmek Ltd.

USPTO Granted Patents = 69

EPO Patents = 46

Trademarks = 1

Forward Citations = 82

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22 inventors (with patents filed for the assignee):

Keitaro Yonezawa (24 out of 90 patents)

Yosuke Haruna (19 out of 24 patents)

Hideaki Yokota (12 out of 17 patents)

4. Ryota Kojima (7 out of 7 patents)

5. Gaku Yoshimura (7 out of 11 patents)

6. Masahiro Yoshimi (6 out of 6 patents)

7. Akira Arisato (4 out of 8 patents)

8. Tsutomu Shirakawa (4 out of 17 patents)

9. Masakazu Yoshida (3 out of 3 patents)

10. Hiroshi Akamatsu (3 out of 15 patents)

11. Kenta Kaji (2 out of 2 patents)

12. Hironori Yamada (2 out of 4 patents)

13. Ryuichi Wada (1 out of 1 patent)

14. Kenta Otani (1 out of 1 patent)

15. Takeshi Tsuchida (1 out of 1 patent)

Core Competencies:

Magnetic Clamp Device

Clamping Apparatus

Remote Diagnostic System

Pneumatic Cylinder Device

Suction Positioning Structure

Gripping Device

Actuator

Check Valve Device

Pressure Reducing Valve

Output System

Cylinder Device

Attachment Structure

69 patents: Sort by Forward Citations

1. 12427585 - Element changer (2025-09-30),

2. 12345342 - Check valve device (2025-07-01),

3. 12214465 - Work support (2025-02-04),

4. 12186957 - Magnetic clamp device (2025-01-07),

5. 12134157 - Clamping apparatus (2024-11-05),

6. 12115615 - Work support (2024-10-15),

7. 12103123 - Connecting device (2024-10-01),

8. 12090639 - Attaching/detaching structure (2024-09-17),

9. 12076889 - Adhesion force confirmation method and adhesion force confirmation device (2024-09-03),

10. 12066022 - Motor and hydraulic pump device including the motor (2024-08-20),

11. 12042971 - Remote diagnostic system (2024-07-23),

12. 11994155 - Cylinder device (2024-05-28),

13. 11951581 - Clamp system equipped with function for detecting behavior of object to be clamped (2024-04-09),

14. 11923135 - Magnetic clamp device (2024-03-05),

15. 11869711 - Magnetic clamp device (2024-01-09),

KOSMEK LTD. is a Japanese company specializing in manufacturing and supplying innovative industrial automation and workholding equipment. With a wide range of products and solutions, KOSMEK serves various industries including automotive, aerospace, electronics, and more. Their expertise lies in providing reliable and efficient solutions for clamping, lifting, and positioning of workpieces. KOSMEK's commitment to quality, technological advancements, and customer satisfaction has established them as a leading global provider in the automation industry.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

69 Patents

#19 in Hyogo

#1,388 in Japan

#10,482 in the World

Kosmek Ltd.

Forward Citations = 82

22 inventors:

Keitaro Yonezawa (24 out of 90 patents)

Yosuke Haruna (19 out of 24 patents)

Hideaki Yokota (12 out of 17 patents)

4. Ryota Kojima (7 out of 7 patents)

5. Gaku Yoshimura (7 out of 11 patents)

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