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For the Inventor, By the Inventor

JP

Cosmo Koki Co., Ltd.


USPTO Granted Patents = 9



Forward Citations = 7

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7 inventors (with patents filed for the assignee):

goldMedal Satoshi Tamada (3 out of 3 patents)

silverMedal Kensuke Nakazato (3 out of 3 patents)

bronzeMedal Atsushi Sato (2 out of 115 patents)

4.  Yoshinori Maeda (2 out of 8 patents)

5.  Toshihiko Ogata (2 out of 2 patents)

6.  Shinji Yamanouchi (1 out of 1 patent)

7.  Naoki Kaneta (1 out of 1 patent)

8.  Tamada Satoshi (0 patent)

9.  Kaneta Naoki (0 patent)


9 patents:

1. 12449081 - Boring machine (2025-10-21),
2. 12281717 - Method of opening fluid control valve and fluid control valve used for the same (2025-04-21),
3. 11994226 - Method of opening fluid control valve and fluid control valve used for the same (2024-05-28),
4. 11788662 - Fluid control device (2023-10-17),
5. 11708927 - Pipe drilling device (2023-07-25),
6. 11608924 - Installation method and installation device for fluid control device (2023-03-21),
7. 11519545 - Installment method of fluid control body, and fluid control device including fluid control body (2022-12-06),
8. 9964244 - Separation preventing device of fluid pipe, and pipe joint (2018-05-08),
9. 9810356 - Separation preventing device of fluid pipe, and pipe joint (2017-11-07),
Company Overview
Cosmo Koki Co., Ltd. is a leading manufacturer of industrial cutting tools based in Tokyo, Japan. With over 50 years of experience, the company specializes in producing high-quality carbide end mills, drills, reamers, and other precision tools for a wide range of industries. Cosmo Koki is committed to innovation, quality, and customer satisfaction, striving to provide cutting-edge solutions to meet the diverse needs of its clients worldwide.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

9 Patents

#121 in

#4,699 in Japan

JP
JP

Cosmo Koki Co., Ltd.

Forward Citations = 7

7 inventors:

goldMedal Satoshi Tamada (3 out of 3 patents)

silverMedal Kensuke Nakazato (3 out of 3 patents)

bronzeMedal Atsushi Sato (2 out of 115 patents)

4.  Yoshinori Maeda (2 out of 8 patents)

5.  Toshihiko Ogata (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Cosmo Koki Co., Ltd.. Retrieved from https://idiyas.com/company/cosmo-koki-company

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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