Inventor
Gregory Lawrence Ream
Inventor
Lexington, KY, US
Overview
Patents· 46 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography65%
H04NPictorial communication, e.g. television18%
B41JTypewriters6%
G06KGraphical data reading3%
Y10TTechnical subjects covered by former us classification3%
G01DMeasuring not specially adapted for a specific variable2%
G01SRadio direction-finding2%
G02BOptical elements, systems or apparatus2%
PatentTitleYear
8,126,342'System for tailoring a transfer nip electric field for enhanced toner transfer in diverse environments'20128,064,787'Fuser life extension'20118,038,591'Image forming apparatus component with triboelectric properties'20117,965,953'Electrode-based post nip field conditioning method and apparatus'20117,657,198'Methods for transfering toner in direct transfer image forming'20107,522,863'Gear train backlash removal during component acceleration in an image forming device'20097,505,705'Electrical discharging of image transfer assemblies'20097,424,253'Toner metering device'20087,366,434'Periodic doctor element field reversal in an electrophotographic device'20087,289,757'Shared high voltage power supply for image transfer in an image forming device'20077,272,328'Development component detection in an electrophotographic device'20077,257,358'Method and apparatus for detecting registration errors in an image forming device'20077,206,012'Memory device on optical scanner and apparatus and method for storing characterizing information on the memory device'20077,149,449'Method of determining a relative speed between independently driven members in an image forming apparatus'20067,054,571'Method of driving a fuser roll in an electrophotographic printer'20067,050,734'Method of determining a relative speed between independently driven members in an image forming apparatus'20066,989,852'Method of margin alignment and plane-to-plane registration in a tandem color electrophotographic machine'20066,989,853'Method of margin alignment and plane-to-plane registration in a tandem color electrophotographic machine'20066,689,528'Electrostatic fuser rolls and belts'20046,681,094'Intermediate transfer member belt/roller configuration for single-pass color electrophotographic printer'20046,661,981'Method and apparatus for controlling transfer belt velocity of a color printer'20036,657,650'Method of laser printhead registration control in an electrophotographic machine'20036,570,598'Sub-pel registration of color planes using cartridge velocity control'20036,549,225'Method of margin alignment and plane-to-plane registration in a tandem color electrophotographic machine'20036,476,844'Method and apparatus for electrophotographic laser video modulation and decode for spot fidelity'20026,363,228'Transfer belt image registration correction, operating parameters and life via stored parameters'20026,356,726'Electrophotographic printer with compact pre-transfer erase assembly'20026,301,456'Method and apparatus for inserting a cartridge into an image forming apparatus'20016,285,383'Method of controlling laser scanner phase in a multicolor electrophotographic machine'20016,284,373'Electrostatic fuser rolls and belts'20016,262,753'Electrophotographic imaging apparatus with reduced packaging size'20016,252,618'Method of controlling print registration in an electrophotographic machine'20016,198,897'Method and apparatus for correcting transfer belt position via stored parameters'20016,175,375'Method and apparatus for compensating for a darkness shift during the life of an electrophotographic printer cartridge'20016,173,151'Electrostatic fuser with post-nip electrically biased discharge member'20016,009,291'Control of photosensitive roller movement'19996,009,285'Method for determining characteristics of an electrophotographic cartridge carrying a rotatable element'19995,995,772'Imaging apparatus cartridge including an encoded device'19995,875,378'Toner cartridge with hopper exit agitator'19995,697,015'Electrophotographic apparatus and method for inhibiting charge over-transfer'19975,634,169'Multiple function encoder wheel for cartridges utilized in an electrophotographic output device'19975,526,097'Cartridge utilizing a plurality of contact charging members'19965,012,293'Transfer station control in an electrophotographic reproduction device'19914,417,256'Break-off uniformity maintenance'19834,292,640'Closed loop compensation of ink jet aerodynamics'19814,241,608'Ultrasonic scanner'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980Based in Boulder, CO, US· patent location history
1981–1991Patents assigned to IBM (3)· patent assignee history
1981–1983Based in Longmont, CO, US· patent location history
1991–2012Based in Lexington, KY, US· patent location history
1996–2012Patents assigned to LEXMARK INT INC (42)· patent assignee history
2011–2012Patents assigned to REAM GREGORY LAWRENCE (2)· patent assignee history
2011Patents assigned to BLAIR BRYAN MICHAEL (1)· patent assignee history
2012Patents assigned to GIBSON NICHOLAS FENLEY (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LEXMARK INT INC | 42 | 1996–2012 |
| IBM | 3 | 1981–1991 |
| REAM GREGORY LAWRENCEself | 2 | 2011–2012 |
| BLAIR BRYAN MICHAEL | 1 | 2011 |
| GIBSON NICHOLAS FENLEY | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Lexington, KY, US | 43 | 1991–2012 |
| Longmont, CO, US | 2 | 1981–1983 |
| Boulder, CO, US | 1 | 1980 |