Kartheek Chandu

Person

Longmont, CO, US

People

Patents Grantslast 30 patents

Information Patent Grant
Dynamic inkjet nozzle flushing mechanism
- Patent number 9,975,348
- Issue date May 22, 2018
- Ricoh Company, Ltd.
- Kartheek Chandu
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Dynamic inkjet nozzle flushing mechanism
- Patent number 9,809,036
- Issue date Nov 7, 2017
- Ricoh Company, Ltd.
- Kartheek Chandu
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Halftone calibration mechanism employing an ink model
- Patent number 9,621,762
- Issue date Apr 11, 2017
- Ricoh Company, Ltd.
- Kartheek Chandu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mechanism for generating a hybrid halftone using a DMSSA screen
- Patent number 9,614,998
- Issue date Apr 4, 2017
- Ricoh Company, Ltd.
- Kartheek Chandu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Low overhead near unity scaling technique
- Patent number 9,361,554
- Issue date Jun 7, 2016
- Ricoh Company, Ltd.
- Mikel John Stanich
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Halftone mechanism
- Patent number 9,363,414
- Issue date Jun 7, 2016
- Ricoh Company, Ltd.
- Kartheek Chandu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital image halftone conversion with selective enhancement
- Patent number 9,332,155
- Issue date May 3, 2016
- Ricoh Company, Ltd.
- Kartheek Chandu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Toner Estimation Mechanism
- Patent number 9,229,408
- Issue date Jan 5, 2016
- Ricoh Company, Ltd.
- Chai Wah Wu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Test patterns for print heads having two image sources
- Patent number 9,180,712
- Issue date Nov 10, 2015
- Ricoh Company, Ltd.
- Mikel John Stanich
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Inkjet nozzle flushing mechanism
- Patent number 9,061,518
- Issue date Jun 23, 2015
- Ricoh Production Print Solutions LLC
- Kartheek Chandu
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Halftone screen generation mechanism
- Patent number 9,036,212
- Issue date May 19, 2015
- Ricoh Production Print Solutions LLC
- Kartheek Chandu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for halftoning using energy minimization
- Patent number 8,922,802
- Issue date Dec 30, 2014
- Ricoh Company, Ltd.
- Chai Wah Wu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Hybrid halftone generation mechanism using change in pixel error
- Patent number 8,922,834
- Issue date Dec 30, 2014
- Ricoh Production Print Solutions LLC
- Kartheek Chandu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Inkjet nozzle flushing mechanism
- Patent number 8,905,517
- Issue date Dec 9, 2014
- Ricoh Production Print Solutions LLC
- Kartheek Chandu
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Defective nozzle detection mechanism
- Patent number 8,820,880
- Issue date Sep 2, 2014
- Ricoh Production Print Solutions LLC
- Kartheek Chandu
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Print head alignment mechanism
- Patent number 8,807,691
- Issue date Aug 19, 2014
- Ricoh Production Print Solutions LLC
- Kartheek Chandu
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Hybrid halftone generation mechanism using change in pixel error
- Patent number 8,773,722
- Issue date Jul 8, 2014
- InfoPrint Solutions Company LLC
- Kartheek Chandu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mask generation mechanism
- Patent number 8,693,054
- Issue date Apr 8, 2014
- InfoPrint Solutions Company LLC
- Kartheek Chandu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Printer calibration for printers with fixed print array structures
- Patent number 8,542,418
- Issue date Sep 24, 2013
- Ricoh Production Print Solutions LLC
- Kartheek Chandu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Inkjet nozzle flushing mechanism
- Patent number 8,506,046
- Issue date Aug 13, 2013
- InfoPrint Solutions Company LLC
- Kartheek Chandu
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Automatic paper management and color profile utilization
- Patent number 8,412,055
- Issue date Apr 2, 2013
- Ricoh Production Print Solutions LLC
- Kartheek Chandu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Multi-pass calibration in fixed printhead array printers
- Patent number 8,322,811
- Issue date Dec 4, 2012
- Ricoh Production Print Solutions LLC
- Kartheek Chandu
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Correction of print engine artifacts using an iterative halftoning...
- Patent number 8,282,182
- Issue date Oct 9, 2012
- Ricoh Production Print Solutions LLC
- Kartheek Chandu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
High speed dual pass ink jet printer
- Patent number 8,235,490
- Issue date Aug 7, 2012
- InfoPrint Solutions Company LLC
- Kartheek Chandu
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
Dynamic Inkject Nozzle Flushing Mechanism
- Publication number 20180022109
- Publication date Jan 25, 2018
- RICOH COMPANY, LTD.
- Kartheek Chandu
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Intelligent Pixel Location Selection Process For A Low Overhead Nea...
- Publication number 20160092758
- Publication date Mar 31, 2016
- RICOH COMPANY, LTD.
- Mikel John Stanich
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Low Overhead Near Unity Scaling Technique
- Publication number 20160092757
- Publication date Mar 31, 2016
- RICOH COMPANY, LTD.
- Mikel John Stanich
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DIGITAL IMAGE HALFTONE CONVERSION WITH SELECTIVE ENHANCEMENT
- Publication number 20150222788
- Publication date Aug 6, 2015
- RICOH COMPANY, LTD.
- Kartheek Chandu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
BINARY PERIODIC TO MULTIBIT APERIODIC HALFTONE AND RESOLUTION CONVE...
- Publication number 20150163375
- Publication date Jun 11, 2015
- RICOH COMPANY, LTD.
- Kartheek Chandu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Inkjet Nozzle Flushing Mechanism
- Publication number 20150103109
- Publication date Apr 16, 2015
- Kartheek Chandu
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Halftone Mechanism
- Publication number 20150055185
- Publication date Feb 26, 2015
- INFOPRINT SOLUTIONS COMPANY LLC
- Kartheek Chandu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Hybrid Halftone Generation Mechanism
- Publication number 20140253976
- Publication date Sep 11, 2014
- INFOPRINT SOLUTIONS COMPANY LLC
- Kartheek Chandu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Toner Estimation Mechanism
- Publication number 20140240803
- Publication date Aug 28, 2014
- Chai Wah Wu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and System for Halftoning Using Energy Minimization
- Publication number 20140233069
- Publication date Aug 21, 2014
- Chai Wah Wu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Inkjet Nozzle Flushing Mechanism
- Publication number 20130286074
- Publication date Oct 31, 2013
- Kartheek Chandu
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Hybrid Halftone Generation Mechanism
- Publication number 20130265611
- Publication date Oct 10, 2013
- Kartheek Chandu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Hybrid Halftone Generation Mechanism
- Publication number 20130265612
- Publication date Oct 10, 2013
- Kartheek Chandu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Defective Nozzle Detection Mechanism
- Publication number 20130265360
- Publication date Oct 10, 2013
- Kartheek Chandu
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Print Head Alignment Mechanism
- Publication number 20130257969
- Publication date Oct 3, 2013
- Kartheek Chandu
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Mask Generation Mechanism
- Publication number 20130176578
- Publication date Jul 11, 2013
- Kartheek Chandu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Halftone Screen Generation Mechanism
- Publication number 20130176599
- Publication date Jul 11, 2013
- Kartheek Chandu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Halftone Calibration Mechanism Employing an Ink Model
- Publication number 20130176600
- Publication date Jul 11, 2013
- Kartheek Chandu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Inkjet Nozzle Flushing Mechanism
- Publication number 20130076813
- Publication date Mar 28, 2013
- Kartheek Chandu
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Dynamic Inkjet Nozzle Flushing Mechanism
- Publication number 20130076820
- Publication date Mar 28, 2013
- Kartheek Chandu
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
PRINTER CALIBRATION FOR PRINTERS WITH FIXED PRINT ARRAY STRUCTURES
- Publication number 20120050755
- Publication date Mar 1, 2012
- Kartheek Chandu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
AUTOMATIC PAPER MANAGEMENT AND COLOR PROFILE UTILIZATION
- Publication number 20110280589
- Publication date Nov 17, 2011
- Kartheek Chandu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
MULTI-PASS CALIBRATION IN FIXED PRINTHEAD ARRAY PRINTERS
- Publication number 20110148968
- Publication date Jun 23, 2011
- Kartheek Chandu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Non-interfering flushing method for inkjet printers
- Publication number 20100053241
- Publication date Mar 4, 2010
- InfoPrint Solutions Company LLC
- Kartheek Chandu
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
High speed dual pass ink jet printer
- Publication number 20100053245
- Publication date Mar 4, 2010
- InfoPrint Solutions Company LLC
- Kartheek Chandu
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
CORRECTION OF PRINT ENGINE ARTIFACTS USING AN ITERATIVE HALFTONING...
- Publication number 20100045722
- Publication date Feb 25, 2010
- Kartheek Chandu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Kartheek Chandu

Person

Patents Grantslast 30 patents

Dynamic inkjet nozzle flushing mechanism

Dynamic inkjet nozzle flushing mechanism

Halftone calibration mechanism employing an ink model

Mechanism for generating a hybrid halftone using a DMSSA screen

Low overhead near unity scaling technique

Halftone mechanism

Digital image halftone conversion with selective enhancement

Toner Estimation Mechanism

Test patterns for print heads having two image sources

Inkjet nozzle flushing mechanism

Halftone screen generation mechanism

Method and system for halftoning using energy minimization

Hybrid halftone generation mechanism using change in pixel error

Inkjet nozzle flushing mechanism

Defective nozzle detection mechanism

Print head alignment mechanism

Hybrid halftone generation mechanism using change in pixel error

Mask generation mechanism

Printer calibration for printers with fixed print array structures

Inkjet nozzle flushing mechanism

Automatic paper management and color profile utilization

Multi-pass calibration in fixed printhead array printers

Correction of print engine artifacts using an iterative halftoning...

High speed dual pass ink jet printer

Patents Applicationslast 30 patents

Dynamic Inkject Nozzle Flushing Mechanism

Intelligent Pixel Location Selection Process For A Low Overhead Nea...

Low Overhead Near Unity Scaling Technique

DIGITAL IMAGE HALFTONE CONVERSION WITH SELECTIVE ENHANCEMENT

BINARY PERIODIC TO MULTIBIT APERIODIC HALFTONE AND RESOLUTION CONVE...

Inkjet Nozzle Flushing Mechanism

Halftone Mechanism

Hybrid Halftone Generation Mechanism

Toner Estimation Mechanism

Method and System for Halftoning Using Energy Minimization

Inkjet Nozzle Flushing Mechanism

Hybrid Halftone Generation Mechanism

Hybrid Halftone Generation Mechanism

Defective Nozzle Detection Mechanism

Print Head Alignment Mechanism

Mask Generation Mechanism

Halftone Screen Generation Mechanism

Halftone Calibration Mechanism Employing an Ink Model

Inkjet Nozzle Flushing Mechanism

Dynamic Inkjet Nozzle Flushing Mechanism

PRINTER CALIBRATION FOR PRINTERS WITH FIXED PRINT ARRAY STRUCTURES

AUTOMATIC PAPER MANAGEMENT AND COLOR PROFILE UTILIZATION

MULTI-PASS CALIBRATION IN FIXED PRINTHEAD ARRAY PRINTERS

Non-interfering flushing method for inkjet printers

High speed dual pass ink jet printer

CORRECTION OF PRINT ENGINE ARTIFACTS USING AN ITERATIVE HALFTONING...