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For the Inventor, By the Inventor

Daito, Japan

Nikken Kosakusho Works, Ltd.

Calculating rank
USPTO Granted Patents = 30


Trademarks = 2

Forward Citations = 272

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14 inventors (with patents filed for the assignee):

goldMedal Masakazu Matsumoto (14 out of 14 patents)

silverMedal Susumu Mikado (12 out of 12 patents)

bronzeMedal Masahiro Taguchi (12 out of 17 patents)

4.  Yusaku Yamamoto (6 out of 6 patents)

5.  Eisaku Nakai (5 out of 5 patents)

6.  Steve Eckersall (4 out of 4 patents)

7.  Suguru Maemura (3 out of 3 patents)

8.  Kazuhiro Shimono (3 out of 3 patents)

9.  Masatsugu Murata (1 out of 1 patent)

10.  Hiroharu Yoshimoto (1 out of 1 patent)

11.  Jun Matsumoto (1 out of 1 patent)

12.  Kazuhisa Fujimoto (1 out of 1 patent)

13.  Tsunetaka Mai (1 out of 1 patent)

14.  Hisashi Ide (1 out of 1 patent)

15.  Stephen Eckersall (1 out of 1 patent)


Core Competencies:
Tool Holder
End Mill
Rotary Table
Wrench
Chuck
Clamp Device
Numerical Control
Fluid Supply
Backlash Diagnosis
Assembly Structure
Shank Structure
Abnormality Determination

30 patents:

1. 12589439 - Tool holder and tool holding structure including the same (2026-03-31),
2. 11209797 - Numerical control machine tool backlash diagnosis and maintenance system (2021-12-28),
3. 11112767 - Feed shaft and worm gear abnormality determination system (2021-09-07),
4. 9475139 - Tool holder and tool holder attachment structure (2016-10-25),
5. 9333561 - Tool holder (2016-05-10),
6. 9238269 - End mill and shank structure of end mill (2016-01-19),
7. D742947 - End mill (2015-11-10),
8. D742946 - End mill (2015-11-10),
9. D717847 - End mill (2014-11-18),
10. 8714893 - Tool holder and method for assembling the same (2014-05-06),
11. 8596425 - Brake structure of rotary table (2013-12-03),
12. 8562001 - Tool holder (2013-10-22),
13. D686646 - End mill (2013-07-23),
14. 8464644 - Rotary table assembly (2013-06-18),
15. 7320568 - Tool holder (2008-01-22),
Company Overview
Nikken Kosakusho Works, Ltd. is a prominent Japanese company based in Daito, specializing in precision machinery and manufacturing solutions. The organization focuses on developing advanced technologies for various sectors, including automotive, aerospace, and industrial equipment. With a commitment to innovation, Nikken Kosakusho integrates cutting-edge engineering practices to enhance productivity and efficiency in manufacturing processes. The company is recognized for its contributions to precision tools and components, serving a global market with high-quality products.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

Nikken Kosakusho Works, Ltd. USPTO Patent Assignee Logo
30 Patents

#1 in Daito 574-0046

#2,307 in Japan

#21,924 in the World

Daito, JP
Daito, Japan

Nikken Kosakusho Works, Ltd.

Forward Citations = 272

14 inventors:

goldMedal Masakazu Matsumoto (14 out of 14 patents)

silverMedal Susumu Mikado (12 out of 12 patents)

bronzeMedal Masahiro Taguchi (12 out of 17 patents)

4.  Yusaku Yamamoto (6 out of 6 patents)

5.  Eisaku Nakai (5 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nikken Kosakusho Works, Ltd.. Retrieved from https://idiyas.com/company/nikken-kosakusho-works

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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