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For the Inventor, By the Inventor

Hyogo, Japan

Dainichi-Nippon Cables, Ltd.

USPTO Granted Patents = 40

Forward Citations = 801

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82 inventors (with patents filed for the assignee):

goldMedal Atsushi Utsumi (6 out of 20 patents)

silverMedal Hirotaka Itoh (5 out of 6 patents)

bronzeMedal Hiroyuki Hayami (5 out of 11 patents)

4.  Eiji Iri (5 out of 6 patents)

5.  Shogo Tanno (4 out of 9 patents)

6.  Yasuo Ijiri (4 out of 5 patents)

7.  Hideo Fujita (3 out of 3 patents)

8.  Masateru Hirose (3 out of 3 patents)

9.  Michihide Okugawa (3 out of 3 patents)

10.  Kotaro Mio (3 out of 3 patents)

11.  Michio Hirose (2 out of 3 patents)

12.  Hirokazu Kuzushita (2 out of 6 patents)

13.  Tamotsu Kaide (2 out of 10 patents)

14.  Chiaki Momose (2 out of 3 patents)

15.  Hirosi Kato (2 out of 2 patents)


Core Competencies:
Optical Fiber
Connector
Waterproof Cable
Radiation-Resistant
Shielding
Adhesive
High Energy Beam
Electrical Insulation
Electrocoating
Image Guide
Corrosion Protection
Multi-Core Cable

40 patents:

1. 5076825 - Method of producing optical multiple fiber (1991-12-31),
2. 4850664 - Connector for optical fiber (1989-07-25),
3. 4779949 - Connector having axially slit end for gripping optical fiber (1988-10-25),
4. 4771179 - Shielding article (1988-09-13),
5. 4767674 - Metal cored board and method for manufacturing same (1988-08-30),
6. 4737011 - Connector for high energy beam (1988-04-12),
7. 4735483 - Fiber scope (1988-04-05),
8. 4733939 - Radiation-resistant optical conductor (1988-03-29),
9. 4726869 - Adhesive and method of jointing articles of polyolefin using the same (1988-02-23),
10. 4711523 - Waterproof optical fiber cable (1987-12-08),
11. 4703997 - Waterproof optical fiber cable (1987-11-03),
12. 4695515 - Metal cored board and method for manufacturing same (1987-09-22),
13. 4690500 - Optical multiple fiber (1987-09-01),
14. 4647153 - Image guide (1987-03-03),
15. 4645697 - Tape for corrosion protection (1987-02-24),
Company Overview
Dainichi-Nippon Cables, Ltd., headquartered in Hyogo, Japan, specializes in the development and manufacturing of advanced cable solutions. The company focuses on optical fiber technology, connector systems, and radiation-resistant conductors, catering to industries that require high-performance and reliable connectivity. Their expertise extends to high energy beam connectors, electromagnetic wave shielding, and waterproof cables, ensuring robust electrical insulation and fire retardant compositions for diverse applications. Dainichi-Nippon is committed to innovation in cable technology, supporting various sectors with cutting-edge solutions.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

40 Patents

#31 in Hyogo

#1,980 in Japan

#17,087 in the World

Hyogo, JP
Hyogo, Japan

Dainichi-Nippon Cables, Ltd.

Forward Citations = 801

82 inventors:

goldMedal Atsushi Utsumi (6 out of 20 patents)

silverMedal Hirotaka Itoh (5 out of 6 patents)

bronzeMedal Hiroyuki Hayami (5 out of 11 patents)

4.  Eiji Iri (5 out of 6 patents)

5.  Shogo Tanno (4 out of 9 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Dainichi-Nippon Cables, Ltd.. Retrieved from https://idiyas.com/company/dainichi-nippon-cables

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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