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C. S. Chan
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Boise, ID, US
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Patents Grants
last 30 patents
Information
Patent Grant
Toner projection system
Patent number
6,561,628
Issue date
May 13, 2003
Hewlett-Packard Company
Thomas Camis
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Laser printer with piezoelectric apparatus to reduce banding by adj...
Patent number
6,057,867
Issue date
May 2, 2000
Hewlett-Packard Company
C. S. Chan
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Direct toner projection printing using an intermediate transfer medium
Patent number
5,796,422
Issue date
Aug 18, 1998
Hewlett-Packard Company
Gary Hanson
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid toner fusing/transfer system with a film-forming roller that...
Patent number
5,420,675
Issue date
May 30, 1995
Hewlett-Packard Company
John A. Thompson
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method and system for printing in one or more color planes with imp...
Patent number
5,140,432
Issue date
Aug 18, 1992
Hewlett-Packard Company
C. S. Chan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Ink delivery system for printers
Patent number
5,121,132
Issue date
Jun 9, 1992
Hewlett-Packard Company
Alfred I. Pan
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Ink delivery system for ink jet printers
Patent number
5,113,199
Issue date
May 12, 1992
Hewlett-Packard Company
C. S. Chan
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Method and system for enhancing the quality of both color and black...
Patent number
5,111,302
Issue date
May 5, 1992
Hewlett-Packard Company
C. S. Chan
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Method and system for providing closed loop color control between a...
Patent number
5,107,332
Issue date
Apr 21, 1992
Hewlett-Packard Company
C. S. Chan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and system for reproducing monochromatic and color images us...
Patent number
5,031,050
Issue date
Jul 9, 1991
Hewlett-Packard Company
C. S. Chan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Large expandable array thermal ink jet pen and method of manufactur...
Patent number
5,016,023
Issue date
May 14, 1991
Hewlett-Packard Company
C. S. Chan
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Ink supply apparatus for rapidly coupling and decoupling a remote i...
Patent number
4,999,652
Issue date
Mar 12, 1991
Hewlett-Packard Company
C. S. Chan
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Method and system for enhancing the quality of both color and black...
Patent number
4,930,018
Issue date
May 29, 1990
Hewlett-Packard Company
C. S. Chan
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Off board ink supply system and process for operating an ink jet pr...
Patent number
4,831,389
Issue date
May 16, 1989
Hewlett-Packard Company
C. S. Chan
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Plastic orifice plate for an ink jet printhead and method of manufa...
Patent number
4,829,319
Issue date
May 9, 1989
Hewlett-Packard Company
C. S. Chan
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Multi-chamber ink jet recording head for color use
Patent number
4,812,859
Issue date
Mar 14, 1989
Hewlett-Packard Company
C. S. Chan
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Nozzle plate geometry for ink jet pens and method of manufacture
Patent number
4,791,436
Issue date
Dec 13, 1988
Hewlett-Packard Company
C. S. Chan
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Balanced capillary ink jet pen for ink jet printing systems
Patent number
4,791,438
Issue date
Dec 13, 1988
Hewlett-Packard Company
Gary E. Hanson
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Barrier layer and orifice plate for thermal ink jet print head asse...
Patent number
4,716,423
Issue date
Dec 29, 1987
Hewlett-Packard Company
C. S. Chan
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Barrier layer and orifice plate for thermal ink jet printhead assembly
Patent number
4,694,308
Issue date
Sep 15, 1987
Hewlett-Packard Company
C. S. Chan
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Compound bore nozzle for ink jet printhead and method of manufacture
Patent number
4,675,083
Issue date
Jun 23, 1987
Hewlett-Packard Company
James G. Bearss
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Thermal ink jet printhead with self-passivating elements
Patent number
4,535,343
Issue date
Aug 13, 1985
Hewlett-Packard Company
Conrad L. Wright
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS