Yo Chan Son has been granted 40 US patents while listed as an inventor at General Motors . The first was granted in 2005 and the most recent in June 2020. Yo Chan Son ranks #78,057 of 4,157,543 US inventors in our database (top 1.9%). Patent records list Yo Chan Son in Rochester Hills, MI, US.
Patents per Year Patents granted per year, 2005 to 2020 Bar chart with a peak of 10 patents in 2012. peak 10 2005: 1 patents 2005 2009: 1 patents 2010: 3 patents 2010 2011: 4 patents 2012: 10 patents 2012 2013: 2 patents 2014: 1 patents 2014 2015: 3 patents 2016: 2 patents 2016 2017: 1 patents 2018: 4 patents 2018 2019: 6 patents 2020: 2 patents 2020
Issued Patents All Time
Showing 26–40 of 40 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
8310189
Position sensorless control of permanent magnet motors
Nitinkumar R. Patel
2012-11-13
$9,913,000
8269445
Limp home operational mode for an electric vehicle
Nitinkumar R. Patel , Peter J. Savagian , Rostam Dehmoobed Nasrabadi
2012-09-18
$10,597,000
8258736
Fail-safe controls for electric traction drive systems
Nitinkumar R. Patel , Tim M. Grewe
2012-09-04
$7,757,000
8253360
Vector controlled motor drive system implementing pulse width modulated (PWM) waveforms
Steven E. Schulz , Nitinkumar R. Patel
2012-08-28
$5,587,000
8212505
Method and system for creating a vibration in an automobile
James M. Nagashima , Steven E. Schulz , Jonas Bereisa
2012-07-03
$6,593,000
8174222
Methods, systems and apparatus for dynamically controlling an electric motor that drives an oil pump
Nitinkumar R. Patel
2012-05-08
$10,533,000
8054030
Permanent magnet AC motor systems and control algorithm restart methods
Seok-Joo Jang , Rostam Dehmoobed Nasrabadi
2011-11-08
$3,733,000
8018187
Initial polarity detection for permanent magnet motor drives
Steven E. Schulz , Constantin C. Stancu
2011-09-13
$8,470,000
7932691
Permanent magnet motor start-up
Bon Ho Bae , Michael Milani
2011-04-26
$23,068,000
7923953
Linearity for field weakening in an interior permanent magnet machine
Gabriel Gallegos-Lopez , Milun Perisic , Silva Hiti
2011-04-12
$11,212,000
7839108
Electric motor stator winding temperature estimation
Nitinkumar R. Patel , Silva Hiti , Steven E. Schulz
2010-11-23
7759886
Linearity for field weakening in an interior permanent magnet machine
Gabriel Gallegos-Lopez , Milun Perisic , Silva Hiti
2010-07-20
7755313
Power inverter module thermal management
Gabriel Gallegos-Lopez , Silva Hiti , Michael Milani , Milun Perisic
2010-07-13
7615951
Method and system for limiting the operating temperature of an electric motor
Silva Hiti
2009-11-10
6894454
Position sensorless control algorithm for AC machine
Nitinkumar R. Patel , Steven E. Schulz , James M. Nagashima , Seung Ki Sul , Bon Ho Bae
2005-05-17
$16,808,000