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K.k.endo Seisakusho

USPTO Granted Patents = 47

EPO Patents = 1

Trademarks = 3

Forward Citations = 3,819

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24 inventors (with patents filed for the assignee):

Hitoshi Takeda (21 out of 37 patents)

Kenji Kobayashi (10 out of 18 patents)

Masaei Tsurumaki (5 out of 7 patents)

4. Junichi Amano (4 out of 4 patents)

5. Youji Ito (3 out of 4 patents)

6. Katsutoshi Maruyama (2 out of 2 patents)

7. Masaru Sakuma (2 out of 11 patents)

8. Katsuhiro Kobayashi (2 out of 2 patents)

9. Rui Kondo (1 out of 2 patents)

10. Tsuyoshi Kobayashi (1 out of 5 patents)

11. Tsuyoshi Saito (1 out of 1 patent)

12. Takashi Yaoita (1 out of 1 patent)

13. Tomoyuki Myodo (1 out of 1 patent)

14. Tomoyuki Sakai (1 out of 1 patent)

15. Masaru Kawauchi (1 out of 1 patent)

Core Competencies:

Golf Club

Iron Golf Club

Golf Club Head

Hollow Golf Club Head

Circular-Shaped Metal Structure

Manufacturing Method

Peripheral Balance Weights

Golfing Iron Club

Wood Golf Club

Fabrication Apparatus

Metal Structure Fabrication

Golf Club Production

47 patents: Sort by Forward Citations

1. 10265754 - Fixing sleeve and manufacturing method thereof (2019-04-23),

2. 9138618 - Golf club (2015-09-22),

3. 8911303 - Golf club head and method for manufacturing the same (2014-12-16),

4. 8910368 - Iron golf club and method for manufacturing the same (2014-12-16),

5. 8834295 - Iron golf club and method for manufacturing the same (2014-09-16),

6. 8827833 - Golf club head (2014-09-09),

7. 8540590 - Hollow golf club head (2013-09-24),

8. 8351835 - Tube and method for manufacturing the same (2013-01-08),

9. 7963016 - Circular-shaped metal structure, method of fabricating the same, and apparatus for fabricating the same (2011-06-21),

10. 7380325 - Method for manufacturing a golf club head (2008-06-03),

11. 7347796 - Golf club (2008-03-25),

12. 7294064 - Golf club (2007-11-13),

13. 7258624 - Golf club and method for manufacturing the same (2007-08-21),

14. 7229398 - Circular-shaped metal structure and method of fabricating the same (2007-06-12),

15. 7094159 - Golf club and method for manufacturing the same (2006-08-22),

K.K.ENDO Seisakusho is a manufacturing company specializing in the production and development of high-quality industrial machinery. With decades of experience and expertise, we offer a wide range of products including precision components, automation systems, and robotic solutions. Our commitment to innovation and customer satisfaction has made us a trusted partner for many global organizations. Visit our website to explore our comprehensive product portfolio and learn more about our company.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

47 Patents

#1 in Tsubame

#1,740 in Japan

#14,401 in the World

K.k.endo Seisakusho

Forward Citations = 3,819

24 inventors:

Hitoshi Takeda (21 out of 37 patents)

Kenji Kobayashi (10 out of 18 patents)

Masaei Tsurumaki (5 out of 7 patents)

4. Junichi Amano (4 out of 4 patents)

5. Youji Ito (3 out of 4 patents)

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