Yangquan Chen

Person

Singapore, SG

People

Patents Grantslast 30 patents

Information Patent Grant
Identification and cancellation of cage frequency in a hard disc drive
- Patent number 6,785,073
- Issue date Aug 31, 2004
- Seagate Technology LLC
- ShuangQuan Min
- G11 - INFORMATION STORAGE
Information Patent Grant
Automatic acoustic management system for a disc drive
- Patent number 6,704,159
- Issue date Mar 9, 2004
- Seagate Technology LLC
- MingZhong Ding
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for handling multiple resonance frequencies in...
- Patent number 6,690,534
- Issue date Feb 10, 2004
- Seagate Technology LLC
- MingZhong Ding
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for harmonic frequency identification in a disc drive
- Patent number 6,674,589
- Issue date Jan 6, 2004
- Seagate Technology LLC
- ShuangQuan Min
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for determining high order polynomials for lin...
- Patent number 6,674,607
- Issue date Jan 6, 2004
- Seagate Technology LLC
- KianKeong Ooi
- G11 - INFORMATION STORAGE
Information Patent Grant
Enhanced adaptive feedforward control to cancel once-per-revolution...
- Patent number 6,661,599
- Issue date Dec 9, 2003
- Seagate Technology LLC
- YangQuan Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
Repeatable run-out error compensation method for a disc drive
- Patent number 6,654,198
- Issue date Nov 25, 2003
- Seagate Technology LLC
- Xiong Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Seek in a disc drive with nonlinear pivot friction
- Patent number 6,636,375
- Issue date Oct 21, 2003
- Seagate Technology LLC
- MingZhong Ding
- G11 - INFORMATION STORAGE
Information Patent Grant
Optimally designed parsimonious repetitive learning compensator for...
- Patent number 6,574,067
- Issue date Jun 3, 2003
- Seagate Technology LLC
- YangQuan Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
Repeatable runout compensation using iterative learning control in...
- Patent number 6,563,663
- Issue date May 13, 2003
- Seagate Technology LLC
- Qiang Bi
- G11 - INFORMATION STORAGE
Information Patent Grant
Repeatable runout compensation using a learning algorithm with sche...
- Patent number 6,437,936
- Issue date Aug 20, 2002
- Seagate Technology LLC
- YangQuan Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of characterizing and screening voice coil motor pivot frict...
- Patent number 6,324,890
- Issue date Dec 4, 2001
- Seagate Technology LLC
- Ricky Wei Watt Yeo
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Identification and cancellation of cage frequency in a hard disc drive
- Publication number 20030218814
- Publication date Nov 27, 2003
- ShuangQuan Min
- G11 - INFORMATION STORAGE
Information Patent Application
Identification and cancellation of cage frequency in a hard disc drive
- Publication number 20020044370
- Publication date Apr 18, 2002
- ShuangQuan Min
- G11 - INFORMATION STORAGE
Information Patent Application
Method and apparatus for handling multiple resonance frequencies in...
- Publication number 20020041472
- Publication date Apr 11, 2002
- MingZhong Ding
- G11 - INFORMATION STORAGE
Information Patent Application
Repeatable run-out error compensation method for a disc drive
- Publication number 20020039248
- Publication date Apr 4, 2002
- Seagate Technology LLC
- Xiong Liu
- G11 - INFORMATION STORAGE
Information Patent Application
Method and apparatus for determining high order polynomials for lin...
- Publication number 20020039249
- Publication date Apr 4, 2002
- Kiankeong Ooi
- G11 - INFORMATION STORAGE
Information Patent Application
Optimally designed parsimonious repetitive learning compensator for...
- Publication number 20010043427
- Publication date Nov 22, 2001
- YangQuan Chen
- G11 - INFORMATION STORAGE
Information Patent Application
Efficient sensorless rotational vibration and shock compensator for...
- Publication number 20010036026
- Publication date Nov 1, 2001
- Seagate Technology LLC
- YangQuan Chen
- G11 - INFORMATION STORAGE
Information Patent Application
Method for harmonic frequency identification in a disc drive
- Publication number 20010036027
- Publication date Nov 1, 2001
- ShuangQuan Min
- G11 - INFORMATION STORAGE

Yangquan Chen

Person

Patents Grantslast 30 patents

Identification and cancellation of cage frequency in a hard disc drive

Automatic acoustic management system for a disc drive

Method and apparatus for handling multiple resonance frequencies in...

Method for harmonic frequency identification in a disc drive

Method and apparatus for determining high order polynomials for lin...

Enhanced adaptive feedforward control to cancel once-per-revolution...

Repeatable run-out error compensation method for a disc drive

Seek in a disc drive with nonlinear pivot friction

Optimally designed parsimonious repetitive learning compensator for...

Repeatable runout compensation using iterative learning control in...

Repeatable runout compensation using a learning algorithm with sche...

Method of characterizing and screening voice coil motor pivot frict...

Patents Applicationslast 30 patents

Identification and cancellation of cage frequency in a hard disc drive

Identification and cancellation of cage frequency in a hard disc drive

Method and apparatus for handling multiple resonance frequencies in...

Repeatable run-out error compensation method for a disc drive

Method and apparatus for determining high order polynomials for lin...

Optimally designed parsimonious repetitive learning compensator for...

Efficient sensorless rotational vibration and shock compensator for...

Method for harmonic frequency identification in a disc drive