Inventor

Charles D. Johnson

Inventor

Boulder, CO, US

Overview

1990–2018

Patent span

Physics

Primary field (CPC G)

Patents· 24 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G06Fprimary

G06FElectric digital data processing60%

G06KGraphical data reading23%

H04LTransmission of digital information, e.g. telegraphic communication7%

H04NPictorial communication, e.g. television7%

E02FDredging3%

PatentTitleYear

10,007,469Virtual page generation mechanism2018 9,292,234'Print job correction mechanism'2016 9,047,556'Media determination for a print job from a rasterization process'2015 8,836,986'Purging of print jobs from a print data path'2014 8,797,562'Page level recovery on print jobs for production printing systems'2014 8,711,386'Utilizing virtually stored media snapshots for rasterizing print jobs'2014 8,641,357'Track hoe attachment to load and unload pipe'2014 8,599,394'Recovery from an out of storage condition at a rip spool for storing raster data'2013 8,542,381'Purging of print jobs from a print data path'2013 8,482,755'Print controller using a job despool token to control the release of print jobs stored in a rasterized job spool'2013 8,358,440'Color printer calibration for multiple mediums'2013 8,064,077'Automatic print job cancellation mechanism'2011 7,646,506'Method and apparatus for determining how to process incoming print jobs'2010 7,605,932'System and method of implementing a job cancel broadcast notification and parallel processing of the request'2009 7,595,907'Method and apparatus for providing printer recognition and management of a print job entity'2009 7,589,849'Method and apparatus for providing printer recognition and management of a print job entity'2009 7,468,802'Method and apparatus for processing print jobs via parallel spooling and despooling operations'2008 7,283,272'System and method for controlling a remote printer'2007 7,216,347'Method and apparatus for prioritizing print jobs from multiple printer input channels'2007 7,177,037'Method and apparatus for processing print jobs identifying undefined print queues'2007 7,177,041'Method and apparatus for detecting and processing print jobs that request backchannel data'2007 7,170,617'Method and apparatus for determining how to process incoming print jobs'2007 6,871,285'Method, system and program for detecting communication code information'2005 4,975,869'Fast emulator using slow processor'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2008Patents assigned to IBM (7)· patent assignee history

1990–2018Based in Boulder, CO, US· patent location history

2011–2018Patents assigned to JOHNSON CHARLES D (11)· patent assignee history

2011–2015Patents assigned to MORGAN LISA A (5)· patent assignee history

2013–2018Patents assigned to RICOH CO LTD (5)· patent assignee history

2013–2014Patents assigned to RICOH PROD PRINT SOLUTIONS LLC (5)· patent assignee history

2014Based in Quitman, AR, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
JOHNSON CHARLES Dself	11	2011–2018
IBM	7	1990–2008
MORGAN LISA A	5	2011–2015
RICOH CO LTD	5	2013–2018
RICOH PROD PRINT SOLUTIONS LLC	5	2013–2014

Locations

Location	Patents	Span
Boulder, CO, US	23	1990–2018
Quitman, AR, US	1	2014