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Ko-Yuan Tseng
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Keelung, TW
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Patents Grants
last 30 patents
Information
Patent Grant
Valve structure for consistent valve operation of a miniaturized fl...
Patent number
8,309,039
Issue date
Nov 13, 2012
James Russell Webster
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Process for forming nitrocellulose films
Patent number
7,235,307
Issue date
Jun 26, 2007
AST Management, Inc.
Chi-Chen Chen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
Valve Structure for Consistent Valve Operation of a Miniaturized Fl...
Publication number
20100261193
Publication date
Oct 14, 2010
James Russell Webster
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Method for Creating Distinct Nitrocellulose-based Pads on a Substrate
Publication number
20090305907
Publication date
Dec 10, 2009
James Russell Webster
C40 - COMBINATORIAL CHEMISTRY
Information
Patent Application
Method for defining regions of differing porosity of a nitrocellulo...
Publication number
20090280304
Publication date
Nov 12, 2009
Ko-Yuan Tseng
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Process for forming nitrocellulose films
Publication number
20050191484
Publication date
Sep 1, 2005
Agnitio Science & Technology
Chi-Chen Chen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...