Denryoku Chuo Kenkyusho

Calculating rank

USPTO Granted Patents = 2

Forward Citations = 13

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6 inventors (with patents filed for the assignee):

Yasuo Watanabe (1 out of 13 patents)

Hiroyuki Kado (1 out of 1 patent)

Michiharu Ichikawa (1 out of 1 patent)

4. Taiji Arai (1 out of 1 patent)

5. Saburo Kako (1 out of 1 patent)

6. Toshitada Onishi (1 out of 4 patents)

2 patents: Sort by Forward Citations

1. 5475560 - Current limiting device with a superconductor and a control coil (1995-12-12),

2. 4486217 - Compound solid fertilizer and manufacturing method thereof (1984-12-04),

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USPTO Data Jan 1 1976 - Oct 27 2026

2 Patents

#4,375 in Tokyo

#11,147 in Japan

Tokyo, Japan

Denryoku Chuo Kenkyusho

Forward Citations = 13

6 inventors:

Yasuo Watanabe (1 out of 13 patents)

Hiroyuki Kado (1 out of 1 patent)

Michiharu Ichikawa (1 out of 1 patent)

4. Taiji Arai (1 out of 1 patent)

5. Saburo Kako (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Denryoku Chuo Kenkyusho. Retrieved from https://idiyas.com/company/denryoku-chuo-kenkyusho

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]