Yan; Yi-Tsung

Patent Applications and Registrations

Patent applications and USPTO patent grants for Yan; Yi-Tsung.The latest application filed is for "ink-refilled convection device for introducing ink into an ink cartridge".

Company Profile

0.9.5

Yan; Yi-Tsung - Taipei City TW
Yan; Yi-Tsung - Taipei TW
Yan; Yi-Tsung - Taipei 106 TW

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Ink-refilled Convection Device For Introducing Ink Into An Ink Cartridge App 20140083564 - Yan; Yi-Tsung	2014-03-27
Ink-refilled Convection Device For Introducing Ink Into An Ink Cartridge App 20120287209 - Yan; Yi-Tsung	2012-11-15
Simplified refilling assembly of DURABrite ink cartridge Grant 7,470,008 - Yan December 30, 2	2008-12-30
External ink supply and balancing system for inkjet printer App 20080309738 - YAN; Yi-Tsung	2008-12-18
Tiny air-pressure balance device between an ink cartridge and an ink bottle Grant 7,364,281 - Yan April 29, 2	2008-04-29
Tiny air-pressure balance device between an ink cartridge and an ink bottle App 20060187280 - Yan; Yi-Tsung	2006-08-24
Inkjet cartridge protect clamp Grant D517,598 - Yan March 21, 2	2006-03-21
Inkjet cartridge protect clamp Grant D494,216 - Yan August 10, 2	2004-08-10
Refilling clip for inkjet cartridge Grant D473,896 - Yan April 29, 2	2003-04-29
Accordion air bottle for inkjet cartridge Grant D468,344 - Yan January 7, 2	2003-01-07
Refilling needle for inkjet cartridge Grant D466,553 - Yan December 3, 2	2002-12-03
Cap structure of a glue container Grant 6,213,349 - Yan April 10, 2	2001-04-10
Dispensing syringe for a fluid glue Grant 5,480,064 - Yan January 2, 1	1996-01-02

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