EPO Patents = 3

Forward Citations = 3

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3 inventors (with patents filed for the assignee):

Eiichi Murakami (4 out of 41 patents)

Kohei Sakiyama (3 out of 3 patents)

Yoshiaki Suzuki (1 out of 166 patents)

4 patents: Sort by Forward Citations

1. 11480454 - Method for manufacturing measurement pipeline portion of ultrasonic flow meter (2022-10-25),

2. 11340101 - Clamp-on ultrasonic flow measuring device for accurately positioning on an existing flow tube of a specific shape (2022-05-24),

3. 11181405 - Clamp-type ultrasonic flow measuring apparatus with a mounter for press tight fit of a transmission/reception unit to the measuring pipe (2021-11-23),

4. 10175076 - Ultrasonic flow meter (2019-01-08),

Company Overview

Ryusok Co., Ltd. is a leading provider of sustainable building materials and construction solutions. With over 20 years of industry experience, we specialize in eco-friendly products that are durable, versatile, and cost-effective. Our commitment to innovation and quality has made us a trusted partner for a wide range of projects, from residential to commercial developments. Visit our website to learn more about our products and services.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

4 Patents

#5 in Okinawa

#7,579 in Japan

Okinawa, Japan

Ryusok Co., Ltd.

Forward Citations = 3

3 inventors:

Eiichi Murakami (4 out of 41 patents)

Kohei Sakiyama (3 out of 3 patents)

Yoshiaki Suzuki (1 out of 166 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ryusok Co., Ltd.. Retrieved from https://idiyas.com/company/ryusok-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]

3 patents (EPO):

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]