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USPTO Data Jan 1 1976 - Oct 6 2026
2 Patents
#1,147 in Osaka
#11,124 in Japan
Daicen Membrane-Systems, Ltd.
Forward Citations = 10
4 inventors:
Daicen Membrane-Systems, Ltd.
CIPO Patents = 1
EPO Patents = 1
Forward Citations = 10
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4 inventors (with patents filed for the assignee):
Toshinari Takahashi (1 out of 2 patents)
Takashi Sunohara (1 out of 12 patents)
Kunihiko Sasajima (1 out of 1 patent)
4. Shuji Nakatsuka (1 out of 1 patent)
5. Hisato Aoyama (0 patent)
6. Tomokazu Watabe (0 patent)
7. Shuji Nakatsuka (0 patent)
8. Sunohara Takashi (0 patent)
9. Takahashi Toshinari (0 patent)
10. Nakatsuka Shuji (0 patent)
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Daicen Membrane-Systems, Ltd.. Retrieved from https://idiyas.com/company/daicen-membrane-systems
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]
1 patent (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]