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USPTO Data Jan 1 1976 - Oct 20 2026
1 Patents
#1,301 in Wilmington, DE
#1,948 in Delaware
#136,919 in US
Sp Holding II Et, Inc.
Forward Citations = 0
6 inventors:
Wilmington, DE, United States of America
Sp Holding II Et, Inc.
EPO Patents = 2
Forward Citations = 0
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6 inventors (with patents filed for the assignee):
Peter J Fronczkiewicz (1 out of 2 patents)
Lewis B Jennings (1 out of 1 patent)
Xiaoqing Li (32 patents)
4. Waifong Liew Anton (26 patents)
5. Scott W Ellis (6 patents)
6. Jue Liang (2 patents)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sp Holding II Et, Inc.. Retrieved from https://idiyas.com/company/sp-holding-ii-et
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]
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 (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]