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For the Inventor, By the Inventor

Kanagawa, Japan

Union Machinery Co., Ltd.

Calculating rank
USPTO Granted Patents = 8

% Expired Patents = 37.5

Forward Citations = 49

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18 inventors (with patents filed for the assignee):

goldMedal Masao Suzuki (3 out of 105 patents)

silverMedal Shinji Yamaguchi (2 out of 30 patents)

bronzeMedal Yasuhiro Ishikawa (2 out of 4 patents)

4.  Masakazu Koiso (2 out of 2 patents)

5.  Kenichi Abe (1 out of 33 patents)

6.  Tetsu Hirose (1 out of 11 patents)

7.  Katsuya Motohira (1 out of 2 patents)

8.  Minoru Michita (1 out of 1 patent)

9.  Ryo Kameoka (1 out of 2 patents)

10.  Akiyo Higuchi (1 out of 1 patent)

11.  Tom Katsurahara (1 out of 1 patent)

12.  Tsugio Anbo (1 out of 9 patents)

13.  Yukifumi Machida (1 out of 14 patents)

14.  Seiichiro Hayashi (1 out of 1 patent)

15.  Nobuhiro Kimura (1 out of 2 patents)


8 patents:

1. 11652328 - Terminal crimping device (2023-05-16),
2. 8458901 - Electronic component embedded connector, and method and device for manufacturing the same (2013-06-11),
3. 7871286 - Flat multi-conductor cable connector (2011-01-18),
4. 7180996 - Card system (2007-02-20),
5. D522966 - Terminal for a battery (2006-06-13),
6. D522454 - Terminal for a battery (2006-06-06),
7. 6971927 - Connection terminal (2005-12-06),
8. 6511349 - Connection-retaining unit (2003-01-28),
Company Overview
Union Machinery Co., Ltd. is a leading manufacturer of industrial machinery and equipment. With over 20 years of experience, we specialize in the design, production, and distribution of high-quality machinery for various industries. Our products are known for their durability, efficiency, and reliability. We are committed to providing innovative solutions to meet the needs of our customers worldwide.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 3 2026

8 Patents

#183 in Kanagawa

#5,050 in Japan

Kanagawa, JP
Kanagawa, Japan

Union Machinery Co., Ltd.

Forward Citations = 49

18 inventors:

goldMedal Masao Suzuki (3 out of 105 patents)

silverMedal Shinji Yamaguchi (2 out of 30 patents)

bronzeMedal Yasuhiro Ishikawa (2 out of 4 patents)

4.  Masakazu Koiso (2 out of 2 patents)

5.  Kenichi Abe (1 out of 33 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Union Machinery Co., Ltd.. Retrieved from https://idiyas.com/company/union-machinery-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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