Michael Chang

Person

San Jose, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Data-partitioned secondary index (DPSI) partition level join
- Patent number 9,940,359
- Issue date Apr 10, 2018
- International Business Machines Corporation
- Brian L. Baggett
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
X-ray laser microscopy system and method
- Patent number 9,583,229
- Issue date Feb 28, 2017
- Yiying Cao
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Disk drive adjusting estimated servo state to compensate for transi...
- Patent number 9,454,989
- Issue date Sep 27, 2016
- Western Digital Technologies, Inc.
- Michael Chang
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive detecting mini wedge by evaluating wedge ID of servo sector
- Patent number 9,153,263
- Issue date Oct 6, 2015
- Western Digital Technologies, Inc.
- Michael Chang
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device employing full servo sectors on first disk surf...
- Patent number 9,129,630
- Issue date Sep 8, 2015
- Western Digital Technologies, Inc.
- Wei Guo
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device reading servo sector while writing data sector
- Patent number 9,053,712
- Issue date Jun 9, 2015
- Western Digital Technologies, Inc.
- Guoxiao Guo
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive compensating for cycle slip of disk locked clock when re...
- Patent number 9,025,269
- Issue date May 5, 2015
- Western Digital Technologies, Inc.
- Richard K. Wong
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive adjusting estimated servo state to compensate for transi...
- Patent number 8,995,075
- Issue date Mar 31, 2015
- Western Digital Technologies, Inc.
- Michael Chang
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive generating feed-forward compensation value based on two...
- Patent number 8,982,503
- Issue date Mar 17, 2015
- Western Digital Technologies, Inc.
- Michael Chang
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device servoing heads based on virtual servo tracks
- Patent number 8,941,945
- Issue date Jan 27, 2015
- Western Digital Technologies, Inc.
- Michael Chang
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device estimating servo zone to reduce size of track a...
- Patent number 8,934,186
- Issue date Jan 13, 2015
- Western Digital Technologies, Inc.
- Wei Guo
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive adjusting servo timing to compensate for transient when...
- Patent number 8,780,477
- Issue date Jul 15, 2014
- Western Digital Technologies, Inc.
- Wei Guo
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive estimating reader/writer gap across servo zones
- Patent number 8,576,506
- Issue date Nov 5, 2013
- Western Digital Technologies, Inc.
- Honge Wang
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for reducing clock speed and power consumption
- Patent number 7,656,907
- Issue date Feb 2, 2010
- Broadcom Corporation
- Michael Chang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Feedforward controller and methods for use therewith
- Patent number 7,499,239
- Issue date Mar 3, 2009
- Broadcom Corporation
- Michael Chang
- G11 - INFORMATION STORAGE
Information Patent Grant
Controller, state estimator and methods for use therewith
- Patent number 7,436,617
- Issue date Oct 14, 2008
- Broadcom Corporation
- Michael Chang
- G11 - INFORMATION STORAGE
Information Patent Grant
Feedforward controller and methods for use therewith
- Patent number 7,295,397
- Issue date Nov 13, 2007
- Broadcom Corporation
- Michael Chang
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for reducing clock speed and power consumption
- Patent number 7,274,705
- Issue date Sep 25, 2007
- Broadcom Corporation
- Michael Chang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of, apparatus and graphical user interface for automatic dia...
- Patent number 7,246,273
- Issue date Jul 17, 2007
- Sony Corporation
- Jianyu Zheng
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Intelligent blemish control algorithm and apparatus
- Patent number 7,199,824
- Issue date Apr 3, 2007
- Ess Technology, Inc.
- Michael Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Accurate tracking of coil resistance based on current, voltage and...
- Patent number 7,082,009
- Issue date Jul 25, 2006
- Matsushita Electric Industrial Co., Ltd.
- Fernando A. Zayas
- G11 - INFORMATION STORAGE
Information Patent Grant
Adaptive bit rate allocation
- Patent number 7,016,410
- Issue date Mar 21, 2006
- Ess Technology, Inc.
- Michael Chang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Accurate tracking of coil resistance
- Patent number 7,009,806
- Issue date Mar 7, 2006
- Matsushita Electric Industrial Co., Ltd.
- Fernando A. Zayas
- G11 - INFORMATION STORAGE
Information Patent Grant
Intelligent blemish control algorithm and apparatus
- Patent number 6,985,180
- Issue date Jan 10, 2006
- Ess Technology, Inc.
- Michael Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of making magnetic head with precisely defined zero throat h...
- Patent number 6,588,091
- Issue date Jul 8, 2003
- International Business Machines Corporation
- Mike Yu Chieh Chang
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head with precisely defined zero throat height
- Patent number 6,134,080
- Issue date Oct 17, 2000
- International Business Machines Corporation
- Mike Yu Chieh Chang
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Lapping control system for magnetic transducers
- Patent number 4,912,883
- Issue date Apr 3, 1990
- International Business Machines Corporation
- Mike Y. Chang
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
X-RAY LASER MICROSCOPY SYSTEM AND METHOD
- Publication number 20160329119
- Publication date Nov 10, 2016
- Rising Star Pathway, a California Corporation
- Yiying Cao
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Application
DATA-PARTITIONED SECONDARY INDEX (DPSI) PARTITION LEVEL JOIN
- Publication number 20150339350
- Publication date Nov 26, 2015
- International Business Machines Corporation
- Brian L. Baggett
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
FEEDFORWARD CONTROLLER AND METHODS FOR USE THEREWITH
- Publication number 20080030892
- Publication date Feb 7, 2008
- Michael Chang
- G11 - INFORMATION STORAGE
Information Patent Application
Controller, state estimator and methods for use therewith
- Publication number 20080010498
- Publication date Jan 10, 2008
- Broadcom Corporation, a California Corporation
- Michael Chang
- G11 - INFORMATION STORAGE
Information Patent Application
Method and apparatus for reducing clock speed and power consumption
- Publication number 20070286223
- Publication date Dec 13, 2007
- Broadcom Corporation
- Michael Chang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
FEEDFORWARD CONTROLLER AND METHODS FOR USE THEREWITH
- Publication number 20070279794
- Publication date Dec 6, 2007
- Broadcom Corporation, a California Corporation
- Michael Chang
- G11 - INFORMATION STORAGE
Information Patent Application
Method of, apparatus and graphical user interface for automatic dia...
- Publication number 20070245175
- Publication date Oct 18, 2007
- Jianyu Zheng
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Intelligent blemish control algorithm and apparatus
- Publication number 20060012695
- Publication date Jan 19, 2006
- Divio, Inc.
- Michael Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method of, apparatus and graphical user interface for automatic dia...
- Publication number 20040193961
- Publication date Sep 30, 2004
- Sony Corporation
- Jianyu Zheng
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Accurate tracking of coil resistance based on current, voltage and...
- Publication number 20040160695
- Publication date Aug 19, 2004
- Fernando A. Zayas
- G11 - INFORMATION STORAGE
Information Patent Application
Accurate tracking of coil resistance
- Publication number 20040160698
- Publication date Aug 19, 2004
- Fernando A. Zayas
- G11 - INFORMATION STORAGE
Information Patent Application
Adaptive bit rate allocation
- Publication number 20040037356
- Publication date Feb 26, 2004
- Michael Chang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Intelligent blemish control algorithm and apparatus
- Publication number 20020196354
- Publication date Dec 26, 2002
- Michael Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for reducing clock speed and power consumption
- Publication number 20020041599
- Publication date Apr 11, 2002
- Altima Communications Inc.
- Michael Chang
- G06 - COMPUTING CALCULATING COUNTING

Michael Chang

Person

Patents Grantslast 30 patents

Data-partitioned secondary index (DPSI) partition level join

X-ray laser microscopy system and method

Disk drive adjusting estimated servo state to compensate for transi...

Disk drive detecting mini wedge by evaluating wedge ID of servo sector

Data storage device employing full servo sectors on first disk surf...

Data storage device reading servo sector while writing data sector

Disk drive compensating for cycle slip of disk locked clock when re...

Disk drive adjusting estimated servo state to compensate for transi...

Disk drive generating feed-forward compensation value based on two...

Data storage device servoing heads based on virtual servo tracks

Data storage device estimating servo zone to reduce size of track a...

Disk drive adjusting servo timing to compensate for transient when...

Disk drive estimating reader/writer gap across servo zones

Method and apparatus for reducing clock speed and power consumption

Feedforward controller and methods for use therewith

Controller, state estimator and methods for use therewith

Feedforward controller and methods for use therewith

Method and apparatus for reducing clock speed and power consumption

Method of, apparatus and graphical user interface for automatic dia...

Intelligent blemish control algorithm and apparatus

Accurate tracking of coil resistance based on current, voltage and...

Adaptive bit rate allocation

Accurate tracking of coil resistance

Intelligent blemish control algorithm and apparatus

Method of making magnetic head with precisely defined zero throat h...

Magnetic head with precisely defined zero throat height

Lapping control system for magnetic transducers

Patents Applicationslast 30 patents

X-RAY LASER MICROSCOPY SYSTEM AND METHOD

DATA-PARTITIONED SECONDARY INDEX (DPSI) PARTITION LEVEL JOIN

FEEDFORWARD CONTROLLER AND METHODS FOR USE THEREWITH

Controller, state estimator and methods for use therewith

Method and apparatus for reducing clock speed and power consumption

FEEDFORWARD CONTROLLER AND METHODS FOR USE THEREWITH

Method of, apparatus and graphical user interface for automatic dia...

Intelligent blemish control algorithm and apparatus

Method of, apparatus and graphical user interface for automatic dia...

Accurate tracking of coil resistance based on current, voltage and...

Accurate tracking of coil resistance

Adaptive bit rate allocation

Intelligent blemish control algorithm and apparatus

Method and apparatus for reducing clock speed and power consumption