Joseph Cheng-Tsu Liu

Person

Singapore, SG

People

Patents Grantslast 30 patents

Information Patent Grant
Active damping of two-stage actuator system in a disc drive
- Patent number 6,791,786
- Issue date Sep 14, 2004
- Seagate Technology LLC
- JianBo He
- G11 - INFORMATION STORAGE
Information Patent Grant
Variable track densities on a recording medium to compensate for no...
- Patent number 6,765,737
- Issue date Jul 20, 2004
- Seagate Technology LLC
- Choonkiat Lim
- G11 - INFORMATION STORAGE
Information Patent Grant
System and method to minimize bearing pivot effect in disc drive ac...
- Patent number 6,606,214
- Issue date Aug 12, 2003
- Seagate Technology LLC
- Xiong Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for adaptive feedforward cancellation
- Patent number 6,487,035
- Issue date Nov 26, 2002
- Seagate Technology LLC
- Xiong Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for reducing track misregistration from servo...
- Patent number 6,476,995
- Issue date Nov 5, 2002
- Seagate Technology LLC
- Xiong Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Integrated test system for a disc drive pivot bearing and actuator
- Patent number 6,453,722
- Issue date Sep 24, 2002
- Seagate Technology LLC
- Xiong Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Low friction bearing pivot for disc drive
- Patent number 6,411,471
- Issue date Jun 25, 2002
- Seagate Technology LLC
- Xiong Liu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Disc drive actuator latch system for high rotational shock
- Patent number 6,400,533
- Issue date Jun 4, 2002
- Seagate Technology LLC
- Joseph Cheng-Tsu Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Wrap around shock absorber for disc drives
- Patent number 6,324,054
- Issue date Nov 27, 2001
- Seagate Technology LLC
- Wai Onn Chee
- G11 - INFORMATION STORAGE
Information Patent Grant
Rotational shock tester apparatus
- Patent number 6,308,555
- Issue date Oct 30, 2001
- Seagate Technology LLC
- Andre Y. Liem
- G01 - MEASURING TESTING
Information Patent Grant
Mounting frame using an operating vibration damper at a recessed si...
- Patent number 6,164,614
- Issue date Dec 26, 2000
- Seagate Technology LLC
- Choon Kiat Lim
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Magnetic recording medium with high non-operational shock resistance
- Patent number 6,153,284
- Issue date Nov 28, 2000
- Seagate Technology LLC
- Jing Gui
- G11 - INFORMATION STORAGE
Information Patent Grant
Gimbal micropositioning device
- Patent number 6,069,771
- Issue date May 30, 2000
- Seagate Technology, Inc.
- Zine-Eddine Boutaghou
- B24 - GRINDING POLISHING
Information Patent Grant
Capacitance probe for magnetic recording head transducer to disc su...
- Patent number 6,046,596
- Issue date Apr 4, 2000
- Seagate Technology, Inc.
- Mark J. Schaenzer
- G11 - INFORMATION STORAGE
Information Patent Grant
Detection and measurement of head disc interference using read back...
- Patent number 6,008,640
- Issue date Dec 28, 1999
- Seagate Technology, Inc.
- Alan C. Tan
- G11 - INFORMATION STORAGE
Information Patent Grant
Slider with temperature responsive transducer positioning
- Patent number 5,991,113
- Issue date Nov 23, 1999
- Seagate Technology, Inc.
- Dallas W. Meyer
- G11 - INFORMATION STORAGE
Information Patent Grant
Gimbal suspension for supporting a head in a disc drive assembly
- Patent number 5,856,896
- Issue date Jan 5, 1999
- Seagate Technology, Inc.
- Lowell J. Berg
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for increasing storage capacity
- Publication number 20070165331
- Publication date Jul 19, 2007
- Seagate Technology LLC
- Xiong Liu
- G11 - INFORMATION STORAGE
Information Patent Application
Active damping of two-stage actuator system in a disc drive
- Publication number 20020101681
- Publication date Aug 1, 2002
- JianBo He
- G11 - INFORMATION STORAGE
Information Patent Application
Hinge pivot for disc drive
- Publication number 20020101688
- Publication date Aug 1, 2002
- Joseph Cheng-Tsu Liu
- G11 - INFORMATION STORAGE
Information Patent Application
Method to achieve higher track density by allowing only one-sided t...
- Publication number 20020071198
- Publication date Jun 13, 2002
- Xiong Liu
- G11 - INFORMATION STORAGE
Information Patent Application
Biased retaining ring for disc drive
- Publication number 20010040770
- Publication date Nov 15, 2001
- Michael Joo Chiang Toh
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Joseph Cheng-Tsu Liu

Person

Patents Grantslast 30 patents

Active damping of two-stage actuator system in a disc drive

Variable track densities on a recording medium to compensate for no...

System and method to minimize bearing pivot effect in disc drive ac...

Method and apparatus for adaptive feedforward cancellation

Method and apparatus for reducing track misregistration from servo...

Integrated test system for a disc drive pivot bearing and actuator

Low friction bearing pivot for disc drive

Disc drive actuator latch system for high rotational shock

Wrap around shock absorber for disc drives

Rotational shock tester apparatus

Mounting frame using an operating vibration damper at a recessed si...

Magnetic recording medium with high non-operational shock resistance

Gimbal micropositioning device

Capacitance probe for magnetic recording head transducer to disc su...

Detection and measurement of head disc interference using read back...

Slider with temperature responsive transducer positioning

Gimbal suspension for supporting a head in a disc drive assembly

Patents Applicationslast 30 patents

Method and apparatus for increasing storage capacity

Active damping of two-stage actuator system in a disc drive

Hinge pivot for disc drive

Method to achieve higher track density by allowing only one-sided t...

Biased retaining ring for disc drive