For the Inventor, By the Inventor

Enter assignee name

Benton Harbor, MI, United States of America

V-M Corporation

USPTO Granted Patents = 6

EPO Patents = 1

Trademarks = 1

Forward Citations = 21

Loading Chart...

Loading Chart...

8 inventors (with patents filed for the assignee):

Woo Hyung Choi (3 out of 6 patents)

Sang Woo Lee (2 out of 6 patents)

Michael H Estkowski (1 out of 18 patents)

4. Carroll J Voisin, Jr (1 out of 1 patent)

5. Robert J Hammond (1 out of 4 patents)

6. Hwi Gon Jang (1 out of 2 patents)

7. Jin Myeong Lee (1 out of 1 patent)

8. Byeong Jun Jung (1 out of 1 patent)

9. Claude Voegtlin (0 patent)

6 patents: Sort by Forward Citations

1. 12751234 - Spraying nozzle type of an apparatus for removing a residual gas on a wafer (2026-09-29),

2. 12570485 - Substrate transfer apparatus using upper and lower magnetic levitation rails (2026-03-10),

3. 12293933 - Electrostatic chuck with multiple heater zones (2025-05-06),

4. 6006966 - Paint can holder (1999-12-28),

5. 4166226 - No-back synchronous motor drive (1979-08-28),

6. 3975652 - No-back control for a permanent magnet rotor motor (1976-08-17),

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

6 Patents

#10 in Benton Harbor, MI

#1,522 in Michigan

#44,917 in US

Benton Harbor, MI, United States of America

V-M Corporation

Forward Citations = 21

8 inventors:

Woo Hyung Choi (3 out of 6 patents)

Sang Woo Lee (2 out of 6 patents)

Michael H Estkowski (1 out of 18 patents)

4. Carroll J Voisin, Jr (1 out of 1 patent)

5. Robert J Hammond (1 out of 4 patents)

Please report any incorrect information to [email protected]

Loading…