Company Badge
USPTO Data Jan 1 1976 - Nov 3 2026
7 Patents
#2,289 in Tokyo
#5,464 in Japan
Nippon Rensui Co.
Forward Citations = 54
20 inventors:
Nippon Rensui Co.
Calculating rank
% Expired Patents = 14.3
CIPO Patents = 2
EPO Patents = 1
Forward Citations = 54
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20 inventors (with patents filed for the assignee):
Masatake Tanimura (2 out of 5 patents)
Norio Kawano (1 out of 3 patents)
Saburo Furusho (1 out of 1 patent)
4. Shigeru Wakamoto (1 out of 1 patent)
5. Toshihiro Iwamoto (1 out of 1 patent)
6. Manabu Ikemoto (1 out of 1 patent)
7. Masakate Tanimura (1 out of 1 patent)
8. Takaaki Fukumoto (1 out of 44 patents)
9. Motonori Yanagi (1 out of 9 patents)
10. Takeshi Tabata (1 out of 1 patent)
11. Soichiro Ide (1 out of 1 patent)
12. Akihiko Moro (1 out of 1 patent)
13. Ryuji Nagatani (1 out of 1 patent)
14. Hitoshi Miyamaru (1 out of 1 patent)
15. Hiroshi Horie (1 out of 3 patents)
7 patents:
Company Overview
Nippon Rensui Co. is a leading Japanese company specializing in water treatment solutions. With over 50 years of experience, we provide innovative and environmentally friendly technologies for water purification and wastewater treatment. Our goal is to create sustainable solutions that protect and preserve our precious water resources for future generations.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nippon Rensui Co.. Retrieved from https://idiyas.com/company/nippon-rensui-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]
2 patents (CIPO):
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]
1 patent (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]