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For the Inventor, By the Inventor

Sendai, Japan

Cvengineering Corporation

Calculating rank
USPTO Granted Patents = 2

% Expired Patents = 50.0

Forward Citations = 0

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3 inventors (with patents filed for the assignee):

goldMedal Yoichi Yanagisawa (2 out of 2 patents)

silverMedal Tatsuya Chiba (1 out of 7 patents)

bronzeMedal Masaki Sato (1 out of 1 patent)


2 patents:

1. 11002769 - Current measurement device (2021-05-11),
2. 9459591 - Multipoint simultaneous measurement method and multipoint simultaneous measurement system in electric power station, and internal clock used therefor (2016-10-04),
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USPTO Data Jan 1 1976 - Oct 20 2026

2 Patents

#27 in Sendai

#11,139 in Japan

Sendai, JP
Sendai, Japan

Cvengineering Corporation

Forward Citations = 0

3 inventors:

goldMedal Yoichi Yanagisawa (2 out of 2 patents)

silverMedal Tatsuya Chiba (1 out of 7 patents)

bronzeMedal Masaki Sato (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Cvengineering Corporation. Retrieved from https://idiyas.com/company/cvengineering

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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