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Hemlock, MI, United States of America

Hemlock Semiconductor Corporation

USPTO Granted Patents = 30

EPO Patents = 4

Forward Citations = 260

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59 inventors (with patents filed for the assignee):

Arvid Neil Arvidson (7 out of 11 patents)

Michael John Molnar (6 out of 9 patents)

Richard A Burgie (5 out of 5 patents)

4. Lydia L Hwang (4 out of 4 patents)

5. Terence Lee Horstman (3 out of 6 patents)

6. Chris Tim Schmidt (3 out of 5 patents)

7. Scott Allen Wheelock (3 out of 3 patents)

8. Roger Dale Spencer, Jr (2 out of 4 patents)

9. Michael Bourbina (2 out of 3 patents)

10. David Hillabrand (2 out of 2 patents)

11. Theodore Knapp (2 out of 2 patents)

12. Joaquin Enrique Luna (2 out of 2 patents)

13. James R McCormick (2 out of 3 patents)

14. Richard C Dumler (2 out of 3 patents)

15. Owen A Heng (2 out of 2 patents)

30 patents: Sort by Forward Citations

1. 10431447 - Polysilicon chip reclamation assembly and method of reclaiming polysilicon chips from a polysilicon cleaning apparatus (2019-10-01),

2. 9687876 - Method of repairing and/or protecting a surface in a reactor (2017-06-27),

3. 9261464 - Applying edge-on photoluminescence to measure bulk impurities of semiconductor materials (2016-02-16),

4. 9079145 - Solids processing valve (2015-07-14),

5. 8951352 - Manufacturing apparatus for depositing a material and an electrode for use therein (2015-02-10),

6. 8926749 - Flowable chips and methods for the preparation and use of same, and apparatus for use in the methods (2015-01-06),

7. 8895324 - Method of determining an amount of impurities that a contaminating material contributes to high purity silicon (2014-11-25),

8. 8784565 - Manufacturing apparatus for depositing a material and an electrode for use therein (2014-07-22),

9. 8609058 - Silicon production with a fluidized bed reactor integrated into a Siemens-type process (2013-12-17),

10. 8021483 - Flowable chips and methods for the preparation and use of same, and apparatus for use in the methods (2011-09-20),

11. 7935327 - Silicon production with a fluidized bed reactor integrated into a siemens-type process (2011-05-03),

12. 7927984 - Silicon production with a fluidized bed reactor utilizing tetrachlorosilane to reduce wall deposition (2011-04-19),

13. 7080742 - Method and apparatus for improving silicon processing efficiency (2006-07-25),

14. 6605149 - Method of stacking polycrystalline silicon in process for single crystal production (2003-08-12),

15. 6251182 - Susceptor for float-zone apparatus (2001-06-26),

Hemlock Semiconductor Corporation is a leading provider of polycrystalline silicon and other silicon-based products used in the manufacturing of semiconductors. They specialize in the production of high-purity silicon materials that are essential for the electronics industry. With a commitment to sustainability and innovation, Hemlock Semiconductor Corporation plays a crucial role in enabling technological advancements and powering various industries worldwide.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

30 Patents

#1 in Hemlock, MI

#409 in Michigan

#10,859 in US

#21,180 in the World

Hemlock, MI, United States of America

Hemlock Semiconductor Corporation

Forward Citations = 260

59 inventors:

Arvid Neil Arvidson (7 out of 11 patents)

Michael John Molnar (6 out of 9 patents)

Richard A Burgie (5 out of 5 patents)

4. Lydia L Hwang (4 out of 4 patents)

5. Terence Lee Horstman (3 out of 6 patents)

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