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Hirakawa Hewtech Corporation

USPTO Granted Patents = 9

EPO Patents = 2

Trademarks = 2

Forward Citations = 118

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21 inventors (with patents filed for the assignee):

Mitsuo Iwasaki (3 out of 3 patents)

Yasuo Furukawa (2 out of 47 patents)

Shigeru Matsumura (2 out of 31 patents)

4. Mitsunori Satou (2 out of 2 patents)

5. Shigeru Murayama (2 out of 9 patents)

6. Hiroshi Wakabayashi (2 out of 2 patents)

7. Hisao Saito (1 out of 1 patent)

8. Mitsuo Nanjo (1 out of 1 patent)

9. Katsuo Tanaka (1 out of 1 patent)

10. Hiroyuki Kimura (1 out of 1 patent)

11. Tetsuo Yamaguchi (1 out of 1 patent)

12. Takao Ishido (1 out of 1 patent)

13. Takaaki Kusama (1 out of 1 patent)

14. Mitsuo Nanjyo (1 out of 1 patent)

15. Hiroyuki Tanaka (1 out of 1 patent)

9 patents: Sort by Forward Citations

1. 11705646 - Connection structure between sensor and cable, and connection cable (2023-07-18),

2. 7548076 - Current measuring apparatus, test apparatus, and coaxial cable and assembled cable for the apparatuses (2009-06-16),

3. 7520120 - Apparatus for manufacturing taped insulated conductor and method of controlling tape winding tension (2009-04-21),

4. 7442876 - High-precision foamed coaxial cable (2008-10-28),

5. 7355123 - Foam coaxial cable and method of manufacturing the same (2008-04-08),

6. 7242197 - Current measuring apparatus, test apparatus, and coaxial cable and assembled cable for the apparatuses (2007-07-10),

7. 6963032 - High accuracy foamed coaxial cable and method for manufacturing the same (2005-11-08),

8. D392645 - Multi port repeater for local area network (1998-03-24),

9. D366878 - Transceiver for local area network (1996-02-06),

Hirakawa Hewtech Corporation is a leading semiconductor manufacturing company specializing in the production of cutting-edge electronics components. With a focus on quality and innovation, we provide solutions for a wide range of industries, including automotive, telecommunications, and consumer electronics.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

9 Patents

#1,786 in Tokyo

#4,572 in Japan

Hirakawa Hewtech Corporation

Forward Citations = 118

21 inventors:

Mitsuo Iwasaki (3 out of 3 patents)

Yasuo Furukawa (2 out of 47 patents)

Shigeru Matsumura (2 out of 31 patents)

4. Mitsunori Satou (2 out of 2 patents)

5. Shigeru Murayama (2 out of 9 patents)

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