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Inventor

Ko-Yuan Tseng

Inventor
Hsinchu, TW

Overview

2→
Patents
2007–2012
Patent span
Performing operations
Primary field (CPC B)

Patents· 2 as inventor

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

Y10Tprimary
Y10TTechnical subjects covered by former us classification29%
B01LChemical or physical laboratory apparatus for general use14%
B05DProcesses for applying fluent materials to surfaces, in general14%
C08BPolysaccharides14%
C09DCoating compositions, e.g. paints, varnishes or lacquers14%
F04BPositive-displacement machines for liquids14%
PatentTitleYear
8,309,039'Valve structure for consistent valve operation of a miniaturized fluid delivery and analysis system'20127,235,307'Process for forming nitrocellulose films'2007

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007Patents assigned to AST MAN INC (1)· patent assignee history
2007Based in Keelung, TW· patent location history
2012Patents assigned to TSENG KO-YUAN (1)· patent assignee history
2012Patents assigned to WANG SHAW-TZU (1)· patent assignee history
2012Patents assigned to WEBSTER JAMES RUSSELL (1)· patent assignee history
2012Based in Hsinchu, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AST MAN INC12007
TSENG KO-YUANself12012
WANG SHAW-TZU12012
WEBSTER JAMES RUSSELL12012
Locations
LocationPatentsSpan
Hsinchu, TW12012
Keelung, TW12007