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For the Inventor, By the Inventor

Plymouth, MN, United States of America

Perry Y Li

This inventor holds 4 USPTO granted patents. Top assignees: Regents of the University of Minnesota, Other. Active years: 2007-2025.

USPTO Granted Patents = 4

% Patents Active = 25.0

Average Co-Inventor Count = 2.4

ph-index = 2

Forward Citations = 9(Granted Patents)


Location History:

  • Roseville, MN (US) (2007)
  • Plymouth, MN (US) (2012 - 2013)

Company Filing History:

goldMedal3 out of 2,367 
 
Regents of the University of Minnesota
 patents
silverMedal1 out of 834,411 
Other
 patents

Years Active: 2007-2025

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4 patents (USPTO):Explore Patents
1. 12320412 - Axial piston variable displacement hydraulic devices, such as hydraulic motors, and methods of operating same (2025-06-03),
2. 8413436 - Open accumulator for compact liquid power energy storage (2013-04-09),
3. 8286939 - Pulse width modulated fluidic valve (2012-10-16),
4. 7209228 - Scanning apparatus (2007-04-24),
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