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Inventor

See Ark Chan

Inventor
Croton-on-Hudson, NY, US

Overview

4→
Patents
1977–1994
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

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

C04Bprimary
C04BLime, magnesia40%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form20%
C03CChemical composition of glasses, glazes or vitreous enamels20%
Y10TTechnical subjects covered by former us classification20%
PatentTitleYear
5,328,546'Photo resist film application mechanism'19944,123,571'Method for forming smooth self limiting and pin hole free SiC films on Si'19784,106,975'Process for etching holes'19784,011,060'Method of controlling the softening point of solder glass'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1994Patents assigned to IBM (4)· patent assignee history
1977Based in Bronx, NY, US· patent location history
1978Based in Croton-on-Hudson, NY, US· patent location history
1994Based in Coral Springs, FL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IBM41977–1994
Locations
LocationPatentsSpan
Croton-on-Hudson, New York, US21978
Coral Springs, Florida, US11994
Bronx, New York, US11977