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For the Inventor, By the Inventor

Barneveld, WI, United States of America

Quantum Devices, Inc.


USPTO Granted Patents = 19


Forward Citations = 575

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15 inventors (with patents filed for the assignee):

goldMedal Jeffry A Kelber (7 out of 20 patents)

silverMedal Peter A Dowben (6 out of 31 patents)

bronzeMedal Todd S Martin (5 out of 7 patents)

4.  Richard C Eden (3 out of 13 patents)

5.  Ronald W Ignatius (3 out of 5 patents)

6.  Mohammad A Mazed (2 out of 51 patents)

7.  Christian Binek (1 out of 6 patents)

8.  Kirill D Belashchenko (1 out of 3 patents)

9.  Peter Arnold Bowden (1 out of 1 patent)

10.  David S Wisbey (1 out of 2 patents)

11.  Jinke Tang (1 out of 1 patent)

12.  William H Southwell (1 out of 24 patents)

13.  Joerg Wiedmann (1 out of 2 patents)

14.  Charles Kirk (1 out of 1 patent)

15.  James Stevens (1 out of 1 patent)


19 patents:

1. 9857205 - Encoder system with a desired radial alignment and axial gap (2018-01-02),
2. 9799815 - Doped boron carbides and thermoelectric applications (2017-10-24),
3. 9748340 - Graphene field effect transistor (2017-08-29),
4. 9620654 - Coherent spin field effect transistor (2017-04-11),
5. 9614149 - Coherent spin field effect transistor (2017-04-04),
6. 9379232 - Magneto-electric voltage controlled spin transistors (2016-06-28),
7. 9324960 - Semiconducting alloy polymers formed from orthocarborane and 1,4-diaminobenzene (2016-04-26),
8. 9202899 - Voltage switchable non-local spin-FET and methods for making same (2015-12-01),
9. 8860161 - Neutron detection using GD-loaded oxide and nitride heterojunction diodes (2014-10-14),
10. 8748957 - Coherent spin field effect transistor (2014-06-10),
11. 6796994 - Device for the treatment of mucositis (2004-09-28),
12. 6775312 - Photonic integrated circuit (2004-08-10),
13. 6590916 - Method for fabricating a wave division laser array multiplexer (2003-07-08),
14. 6563108 - System for tracking angular and linear motion (2003-05-13),
15. 6553044 - Method and apparatus for reducing electrical and thermal crosstalk of a laser array (2003-04-22),
Quantum Devices, Inc. is a leading manufacturer and supplier of high-quality, precision motor encoders and non-contact optical encoders. With over 30 years of experience, we specialize in providing innovative solutions for motion control applications across various industries. Our cutting-edge technology and commitment to excellence allow us to deliver accurate and reliable encoders that meet the needs of our customers worldwide.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

19 Patents

#2 in Barneveld, WI

#394 in Wisconsin

#16,592 in US

#31,670 in the World

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Barneveld, WI, United States of America

Quantum Devices, Inc.

Forward Citations = 575

15 inventors:

goldMedal Jeffry A Kelber (7 out of 20 patents)

silverMedal Peter A Dowben (6 out of 31 patents)

bronzeMedal Todd S Martin (5 out of 7 patents)

4.  Richard C Eden (3 out of 13 patents)

5.  Ronald W Ignatius (3 out of 5 patents)

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