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King-Wah W. Yeung
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Cupertino, CA, US
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last 30 patents
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Patent Grant
Temperature control of thermal inkjet printheads by using synchrono...
Patent number
5,736,995
Issue date
Apr 7, 1998
Hewlett-Packard Company
Jaime H. Bohorquez
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Method and apparatus for reducing the size of drops ejected from a...
Patent number
5,673,069
Issue date
Sep 30, 1997
Hewlett-Packard Company
Brian Canfield
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Ink-cooled thermal ink jet printhead
Patent number
5,657,061
Issue date
Aug 12, 1997
Hewlett-Packard Company
Dana Seccombe
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Ink-cooled thermal ink jet printhead
Patent number
5,459,498
Issue date
Oct 17, 1995
Hewlett-Packard Company
Dana Seccombe
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Method and apparatus for controlling the temperature of thermal ink...
Patent number
5,235,346
Issue date
Aug 10, 1993
Hewlett-Packard Company
King-Wah W. Yeung
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Printhead temperature controller that uses nonprinting pulses
Patent number
5,168,284
Issue date
Dec 1, 1992
Hewlett-Packard Company
King-Wah W. Yeung
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Method and apparatus for controlling the temperature of thermal ink...
Patent number
5,144,336
Issue date
Sep 1, 1992
Hewlett-Packard Company
King-Wah W. Yeung
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Ohmic heating matrix
Patent number
5,134,425
Issue date
Jul 28, 1992
Hewlett-Packard Company
King-Wah W. Yeung
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS