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Inventor

David A. Chan

Inventor
Sunnyvale, CA, US

Overview

15→
Patents
1989–2016
Patent span
Performing operations
Primary field (CPC B)

Patents· 15 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B24Bprimary
B24BMachines, devices, or processes for grinding or polishing37%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1030%
G05BControl or regulating systems in general11%
G01TMeasurement of nuclear or x-radiation7%
H02BBoards, substations or switching arrangements for the supply or distribution of electric power7%
G01BMeasuring length, thickness or similar linear dimensions4%
G06FElectric digital data processing4%
PatentTitleYear
9,478,950'Integrated safety disconnects for power systems'20168,687,348'Integrated safety disconnects for power systems'20148,460,057'Computer-implemented process control in chemical mechanical polishing'20137,927,182'Polishing system with in-line and in-situ metrology'20117,585,202'Computer-implemented method for process control in chemical mechanical polishing'20097,400,934'Methods and apparatus for polishing control'20087,294,039'Polishing system with in-line and in-situ metrology'20077,101,251'Polishing system with in-line and in-situ metrology'20067,008,875'Methods and apparatus for polishing control'20066,939,198'Polishing system with in-line and in-situ metrology'20056,632,124'Optical monitoring in a two-step chemical mechanical polishing process'20036,506,097'Optical monitoring in a two-step chemical mechanical polishing process'20035,519,223'Apparatus and method for automated collimator exchange'19965,376,796'Proximity detector for body contouring system of a medical camera'19944,868,469'Multi-way polling, branching and waiting opcode'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Based in San Jose, CA, US· patent location history
1994–1996Patents assigned to ADAC LAB INC (2)· patent assignee history
1994–2016Based in Sunnyvale, CA, US· patent location history
2003–2013Patents assigned to APPLIED MATERIALS INC (10)· patent assignee history
2013–2014Patents assigned to CHAN DAVID A (2)· patent assignee history
2013Patents assigned to ADAMS BRET W (1)· patent assignee history
2014–2016Patents assigned to BENTEK CORP (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
APPLIED MATERIALS INC102003–2013
ADAC LAB INC21994–1996
BENTEK CORP22014–2016
CHAN DAVID Aself22013–2014
ADAMS BRET W12013
Locations
LocationPatentsSpan
Sunnyvale, California, US141994–2016
San Jose, California, US11989