Company Badge
USPTO Data Jan 1 1976 - Oct 6 2026
9 Patents
#2 in Hemlock, MI
#1,117 in Michigan
#32,565 in US
Hemlock Semiconductor Operations LLC
Forward Citations = 3
27 inventors:
Hemlock, MI, United States of America
Hemlock Semiconductor Operations LLC
% Expired Patents = 22.2
EPO Patents = 7
Trademarks = 5
Forward Citations = 3
Loading Chart...
Loading Chart...
27 inventors (with patents filed for the assignee):
John Victor Bucci (4 out of 4 patents)
Michael John Molnar (3 out of 9 patents)
S B Reddy Karri (2 out of 4 patents)
4. James C Mundell (2 out of 3 patents)
5. Raymond Anthony Cocco (2 out of 3 patents)
6. Max E Dehtiar (2 out of 3 patents)
7. Patrick J Harder (2 out of 3 patents)
8. Ted M Knowlton (2 out of 4 patents)
9. Michael Matthew Zalar (2 out of 3 patents)
10. Mark Richard Stachowiak (1 out of 1 patent)
11. Charles Allan Stibitz (1 out of 1 patent)
12. John W Hadd (1 out of 2 patents)
13. Robert Scott Leser (1 out of 1 patent)
14. Jonathon Host (1 out of 1 patent)
15. John C Oliva (1 out of 1 patent)
9 patents:
Company Overview
Hemlock Semiconductor Operations LLC is a leading manufacturer of polycrystalline silicon, a key raw material used in the production of semiconductors and solar cells. Their high-quality products are known for their reliability and performance, making them a trusted supplier in the industry. With a focus on sustainability and innovation, Hemlock Semiconductor continues to drive advancements in technology and energy efficiency.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hemlock Semiconductor Operations LLC. Retrieved from https://idiyas.com/company/hemlock-semiconductor-operations
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]
7 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]