Li; Ching-Sheng

Patent Applications and Registrations

Patent applications and USPTO patent grants for Li; Ching-Sheng.The latest application filed is for "motor speed curve control circuit and moter thereof".

Company Profile

0.33.37

Li; Ching-Sheng - Hsinchu County TW
Li; Ching-Sheng - Hsinchu TW
LI; CHING-SHENG - HSINCHU COUNTY 303 TW
LI; CHING-SHENG - HSINCHU CITY TW
Li; Ching-Sheng - Sinjhuang TW
Li; Ching-Sheng - Sinjhuang City TW
Li; Ching-Sheng - Hsin Chu TW

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Motor driving circuit and method Grant 9,774,283 - Chen , et al. September 26, 2	2017-09-26
Motor speed curve control circuit and moter thereof Grant 9,602,036 - Chen , et al. March 21, 2	2017-03-21
Motor Speed Curve Control Circuit And Moter Thereof App 20160359444 - CHEN; KUN-MIN ; et al.	2016-12-08
Positive and negative rotation control circuit and fan system Grant 9,512,845 - Liu , et al. December 6, 2	2016-12-06
Fan system--rotation speed control circuit and method for rotation speed error auto-calibration thereof Grant 9,490,739 - Tsai , et al. November 8, 2	2016-11-08
Positive And Negative Rotation Control Circuit And Fan System App 20160186760 - LIU; YI-CHENG ; et al.	2016-06-30
Motor Driving Circuit and Method App 20160087562 - Chen; Kun-Min ; et al.	2016-03-24
Motor driving circuit and method thereof Grant 9,184,684 - Tsai , et al. November 10, 2	2015-11-10
Fan system--single-phase DC motor control circuit and control method thereof Grant 9,130,498 - Tsai , et al. September 8, 2	2015-09-08
Fan System - Single-phase Dc Motor Control Circuit And Control Method Thereof App 20150061551 - TSAI; MING-JUNG ; et al.	2015-03-05
Heat dissipation system, rotation speed control circuit and method thereof Grant 8,947,035 - Li , et al. February 3, 2	2015-02-03
Fan System - Rotation Speed Control Circuit And Method For Rotation Speed Error Auto-calibration Thereof App 20150023801 - TSAI; MING-JUNG ; et al.	2015-01-22
Heat Dissipation System, Rotation Speed Control Circuit And Method Thereof App 20140169982 - LI; CHING-SHENG ; et al.	2014-06-19
Motor Driving Circuit and Method App 20140028232 - Chen; Kun-Min ; et al.	2014-01-30
Start-up circuit and motor driving IC Grant 8,624,539 - Lin , et al. January 7, 2	2014-01-07
Motor Driving Circuit and Method Thereof App 20130307458 - Tsai; Ming-Jung ; et al.	2013-11-21
Method and motor driving circuit for adjusting rotational speed of motor Grant 8,581,534 - Tsai , et al. November 12, 2	2013-11-12
Pulse width modulation driving IC and pulse width modulation output signal generating method Grant 8,519,802 - Yang , et al. August 27, 2	2013-08-27
Method and Motor Driving Circuit for Adjusting Rotational Speed of Motor App 20130162187 - Tsai; Ming-Jung ; et al.	2013-06-27
Power control circuit, switching power converter, and method for reducing noise and switching loss Grant 8,441,243 - Chen , et al. May 14, 2	2013-05-14
Circuit Protection Method and Motor Control Circuit App 20130099709 - Tsai; Ming-Jung ; et al.	2013-04-25
Motor Driving Circuit and Correction Method App 20130093373 - Chen; Kun-Min ; et al.	2013-04-18
Rotation speed control circuit, rotation speed control method and fan system Grant 8,395,343 - Tsai , et al. March 12, 2	2013-03-12
Start-up Circuit and Motor Driving IC App 20120280642 - Lin; Ying-Chen ; et al.	2012-11-08
Pulse Width Modulation Driving IC and Pulse Width Modulation Output Signal Generating Method App 20120274411 - Yang; Chia-Tai ; et al.	2012-11-01
Power Control Circuit, Switching Power Converter, and Method for Reducing Noise and Switching Loss App 20120176111 - Chen; Kun-Min ; et al.	2012-07-12
Method of driving DC motor and related circuit for avoiding reverse current Grant 8,183,807 - Tsai , et al. May 22, 2	2012-05-22
Current limit control method of DC motor and related device and circuit Grant 8,174,226 - Tsai , et al. May 8, 2	2012-05-08
Rotating speed adjustment circuit and related control system for a heat dissipation fan Grant 8,157,536 - Teng , et al. April 17, 2	2012-04-17
Sensorless method and related device for starting a three-phase brushless direct-current motor Grant 8,154,233 - Yang , et al. April 10, 2	2012-04-10
Rotation Speed Control Circuit, Rotation Speed Control Method and Fan System App 20120007526 - Tsai; Ming-Jung ; et al.	2012-01-12
Driving method and related driving device for a motor Grant 8,080,955 - Chen , et al. December 20, 2	2011-12-20
Motor driving circuit for adjusting speed of a motor by changing an output voltage Grant 8,063,601 - Chen , et al. November 22, 2	2011-11-22
Motor protection device and method Grant 8,013,557 - Li September 6, 2	2011-09-06
Clamp circuit for clamping inrush voltage induced by hot plugging and related chip Grant 7,940,107 - Chen , et al. May 10, 2	2011-05-10
Method of Driving DC Motor and Related Circuit for Avoiding Reverse Current App 20110062910 - Tsai; Ming-Jung ; et al.	2011-03-17
Driving Method and Related Driving Device for a Motor App 20100253259 - Chen; Kun-Min ; et al.	2010-10-07
Current Limit Control Method of DC Motor and Related Device and Circuit App 20100244757 - Tsai; Ming-Jung ; et al.	2010-09-30
Pulse width modulation circuit capable of linearly adjusting duty cycle with voltage and related method Grant 7,772,903 - Jiang , et al. August 10, 2	2010-08-10
Pulse Width Modulation Circuit Capable of Linearly Adjusting Duty Cycle with Voltage and Related Method App 20100176851 - Jiang; Shiue-Shr ; et al.	2010-07-15
Pulse width modulation structure enabling regulated duty cycle Grant 7,710,214 - Li May 4, 2	2010-05-04
Sensorless Method and Related Device for Starting a Three-phase Brushless Direct-current Motor App 20100090631 - Yang; Chia-Tai ; et al.	2010-04-15
Rotating Speed Adjustment Circuit and Related Control System for a Heat Dissipation Fan App 20100054964 - Teng; Tzu-Cheng ; et al.	2010-03-04
Motor Driving Circuit For Adjusting Speed Of A Motor By Changing An Output Voltage App 20100052591 - Chen; Ke-Min ; et al.	2010-03-04
Clamp Circuit for Clamping Inrush Voltage Induced by Hot Plugging and Related Chip App 20100045357 - Chen; Kun-Min ; et al.	2010-02-25
Driving circuit to avoid reverse current for soft switching DC motor Grant 7,626,452 - Chen , et al. December 1, 2	2009-12-01
PWM switching direct voltage circuit Grant 7,609,101 - Li October 27, 2	2009-10-27
Pulse Width Modulation Structure Enabling Regulated Duty Cycle App 20090231052 - Li; Ching-Sheng	2009-09-17
Vibration-Reduction Fan Driving Circuit App 20090121692 - Li; Ching-Sheng	2009-05-14
Driving circuit for switching DC power Grant 7,529,109 - Chen , et al. May 5, 2	2009-05-05
Motor protection device and method App 20090108786 - Li; Ching-Sheng	2009-04-30
Motor driving circuit having low current consumption under a standby mode Grant 7,525,271 - Chen , et al. April 28, 2	2009-04-28
PWM switching direct voltage circuit App 20090096544 - Li; Ching-Sheng	2009-04-16
Driving level control structure eliminating electric noise from motor App 20080265833 - Yu; Shou Te ; et al.	2008-10-30
Motor Driving Circuit Having Low Current Consumption under a Standby Mode App 20080252245 - Chen; Kun-Min ; et al.	2008-10-16
Full bridge circuit and DC motor capable of fixing output voltage and avoiding reverse current Grant 7,411,367 - Tsai , et al. August 12, 2	2008-08-12
Driving Circuit for Switching DC Power App 20070297205 - Chen; Kun-Min ; et al.	2007-12-27
Full Bridge Circuit and DC Motor Capable of Fixing Output Voltage and Avoiding Reverse Current App 20070285038 - Tsai; Ming-Jung ; et al.	2007-12-13
Driving Circuit to Avoid Reverse Current for Soft Switching DC Motor App 20070221997 - Chen; Kun-Min ; et al.	2007-09-27

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.