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Kabushiki Kaisha Kosmek

USPTO Granted Patents = 75

Trademarks = 1

Forward Citations = 617

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20 inventors (with patents filed for the assignee):

Keitaro Yonezawa (56 out of 90 patents)

Tsutomu Shirakawa (12 out of 17 patents)

Yosuke Haruna (5 out of 24 patents)

4. Hideaki Yokota (5 out of 17 patents)

5. Akira Arisato (4 out of 8 patents)

6. Toshinao Nishimoto (3 out of 4 patents)

7. Shinji Okano (2 out of 2 patents)

8. Sohei Yamada (2 out of 2 patents)

9. Ichiro Miyata (2 out of 2 patents)

10. Gaku Yoshimura (1 out of 11 patents)

11. Hironori Yamada (1 out of 5 patents)

12. Hatsuo Orihashi (1 out of 1 patent)

13. Akihiro Nakata (1 out of 1 patent)

14. Kouichi Kojyo (1 out of 1 patent)

15. Fujio Kumagai (1 out of 1 patent)

Core Competencies:

Rotary Clamp

Cylinder Assembly

Automatic Positioning Device

Clamping Apparatus

Mechanical Press Calibration

Overload Protector

Quick Coupler

Fluid Pressure Apparatus

Hydraulic Clamp

Safety Valve Assembly

Transmission Device

Work Support

75 patents: Sort by Forward Citations

1. 6902158 - Rotary clamp (2005-06-07),

2. 6761103 - Cylinder assembly (2004-07-13),

3. 6755409 - Automatic positioning device (2004-06-29),

4. 6736384 - Operation detecting device of clamp (2004-05-18),

5. 6666440 - Rotary clamp (2003-12-23),

6. 6663093 - Rotary clamp (2003-12-16),

7. 6644331 - Method of supplying and discharging pressurized fluid (2003-11-11),

8. 6641127 - Clamping apparatus (2003-11-04),

9. 6619646 - Clamping apparatus (2003-09-16),

10. 6604738 - Clamping apparatus with datum function (2003-08-12),

11. 6564829 - Quick coupler (2003-05-20),

12. 6535825 - Method and device for obtaining calibration data of mechanical press, and load display device for mechanical press (2003-03-18),

13. 6527266 - Clamping apparatus with datum function (2003-03-04),

14. 6499383 - Cylinder assembly (2002-12-31),

15. 6457406 - Overload protector for mechanical press (2002-10-01),

Kabushiki Kaisha KOSMEK is a Japanese company that specializes in producing and distributing machine tool accessories, hydraulic equipment, and industrial products. With over 80 years of experience, KOSMEK is recognized for its high-quality products and innovative solutions. The company serves a wide range of industries, including automotive, aerospace, electronics, and more. Visit their website to learn more about their products and services.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

75 Patents

#17 in Hyogo

#1,323 in Japan

#9,739 in the World

Kabushiki Kaisha Kosmek

Forward Citations = 617

20 inventors:

Keitaro Yonezawa (56 out of 90 patents)

Tsutomu Shirakawa (12 out of 17 patents)

Yosuke Haruna (5 out of 24 patents)

4. Hideaki Yokota (5 out of 17 patents)

5. Akira Arisato (4 out of 8 patents)

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