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For the Inventor, By the Inventor

Ibaraki, Japan

Hitachi Cable Fine-Tech, Ltd.

Calculating rank
USPTO Granted Patents = 10

% Expired Patents = 60.0

Forward Citations = 64

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33 inventors (with patents filed for the assignee):

goldMedal Hiroshi Okikawa (4 out of 28 patents)

silverMedal Hajime Nishi (3 out of 11 patents)

bronzeMedal Hiroyuki Akutsu (3 out of 4 patents)

4.  Iku Higashidani (3 out of 4 patents)

5.  Detian Huang (2 out of 55 patents)

6.  Hiroshi Bando (2 out of 11 patents)

7.  Yuju Endo (2 out of 16 patents)

8.  Hiroshi Komuro (2 out of 9 patents)

9.  Yukio Ito (2 out of 2 patents)

10.  Takayuki Tsuji (1 out of 18 patents)

11.  Yoshinori Tsukamoto (1 out of 13 patents)

12.  Kenichi Murakami (1 out of 34 patents)

13.  Takanobu Watanabe (1 out of 39 patents)

14.  Haruyuki Watanabe (1 out of 20 patents)

15.  Hiromitsu Kuroda (1 out of 46 patents)


10 patents:

1. 8653380 - Solar cell lead, method of manufacturing the same, and solar cell using the same (2014-02-18),
2. 8633783 - Electromagnetic coupler and communication apparatus using the same (2014-01-21),
3. 8420936 - Cable harness (2013-04-16),
4. 8378217 - Differential signal cable, and cable assembly and multi-pair differential signal cable using the same (2013-02-19),
5. 8363993 - Combined optical and electrical interconnection module and method for producing same (2013-01-29),
6. 8338709 - Flexible flat cable (2012-12-25),
7. 8250744 - Method of manufacturing a solar cell lead wire (2012-08-28),
8. 8143525 - Solar cell lead wire and production method therefor and solar cell using same (2012-03-27),
9. 7622679 - Signal transmission cable and multi-wire cable (2009-11-24),
10. 7568959 - Connecting lead wire for a solar battery, method for fabricating same, and solar battery using the connecting lead wire (2009-08-04),
Company Overview
Hitachi Cable Fine-Tech, Ltd. specializes in the development and manufacturing of advanced cable and wire products, focusing on high-performance materials for various applications. The company is known for its expertise in fine wire technology, which serves industries such as electronics, automotive, and telecommunications. With a commitment to innovation, Hitachi Cable Fine-Tech leverages cutting-edge research to enhance product performance and meet the evolving needs of its global clientele, primarily based in Ibaraki, Japan.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 3 2026

10 Patents

#32 in Ibaraki

#4,404 in Japan

#56,100 in the World

Ibaraki, JP
Ibaraki, Japan

Hitachi Cable Fine-Tech, Ltd.

Forward Citations = 64

33 inventors:

goldMedal Hiroshi Okikawa (4 out of 28 patents)

silverMedal Hajime Nishi (3 out of 11 patents)

bronzeMedal Hiroyuki Akutsu (3 out of 4 patents)

4.  Iku Higashidani (3 out of 4 patents)

5.  Detian Huang (2 out of 55 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hitachi Cable Fine-Tech, Ltd.. Retrieved from https://idiyas.com/company/hitachi-cable-fine-tech

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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