Ryowa Electronics Co., Ltd.

Calculating rank

USPTO Granted Patents = 2

Forward Citations = 28

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4 inventors (with patents filed for the assignee):

Yasunori Miyazawa (2 out of 2 patents)

Katsuji Kaminishi (2 out of 13 patents)

Kenichi Arai (1 out of 33 patents)

4. Masahiro Yamaguchi (1 out of 7 patents)

2 patents: Sort by Forward Citations

1. 6980068 - System for and method of interconnecting high-frequency transmission lines (2005-12-27),

2. 6856131 - Magnetic sensor, side-opened TEM cell, and apparatus using such magnetic sensor and side-opened TEM cell (2005-02-15),

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USPTO Data Jan 1 1976 - Oct 27 2026

2 Patents

#35 in Miyagi

#11,147 in Japan

Miyagi, Japan

Ryowa Electronics Co., Ltd.

Forward Citations = 28

4 inventors:

Yasunori Miyazawa (2 out of 2 patents)

Katsuji Kaminishi (2 out of 13 patents)

Kenichi Arai (1 out of 33 patents)

4. Masahiro Yamaguchi (1 out of 7 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ryowa Electronics Co., Ltd.. Retrieved from https://idiyas.com/company/ryowa-electronics-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]