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For the Inventor, By the Inventor

Kanagawa, Japan

Nihon Genryo Co., Ltd.

Calculating rank
USPTO Granted Patents = 10

% Expired Patents = 30.0


Forward Citations = 13

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2 inventors (with patents filed for the assignee):

goldMedal Yasuhiro Saito (8 out of 47 patents)

silverMedal Yasuhiro Saitoh (2 out of 2 patents)

bronzeMedal Yasuhiro Nihon Genryo Co Ltd Saito (0 patent)


10 patents:

1. 11173429 - Filtration device (2021-11-16),
2. 9409103 - External device for cleaning filtration material and adapted for application to filtration device (2016-08-09),
3. 8999155 - Filtration media cleaning apparatus (2015-04-07),
4. 8695613 - External device for cleaning filtration material and adapted for application to filtration device (2014-04-15),
5. 7520986 - Filtration device (2009-04-21),
6. 7267767 - Filtration apparatus (2007-09-11),
7. 7160452 - Filter device (2007-01-09),
8. 6780312 - Filtration apparatus (2004-08-24),
9. 6382221 - Particulate matter washing method (2002-05-07),
10. 6273106 - Particulate matter washing apparatus and method (2001-08-14),
Company Overview
Nihon Genryo Co., Ltd. is a prominent Japanese company based in Kanagawa, specializing in the development and manufacturing of advanced industrial materials and chemical products. The organization focuses on innovative solutions for various sectors, including electronics, automotive, and construction. With a commitment to research and development, Nihon Genryo aims to enhance product performance and sustainability, contributing to the advancement of technology and industry standards in Japan and beyond.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

10 Patents

#152 in Kanagawa

#4,406 in Japan

#56,119 in the World

Kanagawa, JP
Kanagawa, Japan

Nihon Genryo Co., Ltd.

Forward Citations = 13

2 inventors:

goldMedal Yasuhiro Saito (8 out of 47 patents)

silverMedal Yasuhiro Saitoh (2 out of 2 patents)

bronzeMedal Yasuhiro Nihon Genryo Co Ltd Saito (0 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nihon Genryo Co., Ltd.. Retrieved from https://idiyas.com/company/nihon-genryo-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]
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