Inventor
James Lawrence Sanford
Inventor
Hopewell Junction, NY, US
Overview
Patents· 21 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G09Gprimary
G09GArrangements or circuits for control of indicating devices using static means to present variable information28%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein20%
H10KOrganic electric solid-state devices10%
A21BBakers' ovens5%
A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for5%
A47JKitchen equipment5%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them5%
G11CStatic stores5%
H04NPictorial communication, e.g. television5%
G02BOptical elements, systems or apparatus3%
PatentTitleYear
9,368,074'Optically addressed gray scale electric charge-accumulating spatial light modulator'20168,405,690'Optically addressed gray scale electric charge-accumulating spatial light modulator'20138,072,670'Pixel circuit to electrode translation'20118,013,820'Pulse width driving method using multiple pulse'20117,612,749'Driving circuits for displays'20097,367,715'Medium containing optical paths and electrically conducting paths for applications in high speed data links'20087,167,169'Active matrix oled voltage drive pixel circuit'20077,071,932'Data voltage current drive amoled pixel circuit'20067,038,392'Active-matrix light emitting display and method for obtaining threshold voltage compensation for same'20066,777,712'Low-power organic light emitting diode pixel circuit'20046,734,636'OLED current drive pixel circuit'20046,667,791'Passive drive matrix display'20036,580,657'Low-power organic light emitting diode pixel circuit'20036,467,398'Method and apparatus for making bowl-shaped snack food products'20026,181,398'Multiple pixel driven mirror electrodes for improved aperture ratio of reflective displays'20016,129,939'Method for making bowl-shaped snack food products'20005,870,164'Polarization dependent twisted nematic liquid crystal devices for reflective spatial light modulators'19995,831,710'Liquid crystal display'19985,818,563'Substrate structure and assembly method for reduced spatial light modulator size'19984,423,357'Switchable precision current source'19834,310,868'Fast cycling, low power driver for an electromagnetic device'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–2008Patents assigned to IBM (12)· patent assignee history
1982–1983Based in Boulder, CO, US· patent location history
1998–1999Based in Chappaqua, NY, US· patent location history
2000–2002Patents assigned to RECOT INC (2)· patent assignee history
2000–2002Based in Kemp, TX, US· patent location history
2003–2009Based in Hopewell Junction, NY, US· patent location history
2008–2016Based in Camas, WA, US· patent location history
2011–2016Patents assigned to COMPOUND PHOTONICS LTD (4)· patent assignee history
2011–2013Patents assigned to GOETZ HOWARD V (2)· patent assignee history
2011–2013Patents assigned to SANFORD JAMES L (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| IBM | 12 | 1982–2008 |
| COMPOUND PHOTONICS LTD | 4 | 2011–2016 |
| GOETZ HOWARD V | 2 | 2011–2013 |
| RECOT INC | 2 | 2000–2002 |
| SANFORD JAMES Lself | 2 | 2011–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hopewell Junction, New York, US | 8 | 2003–2009 |
| Camas, Washington, US | 5 | 2008–2016 |
| Chappaqua, New York, US | 3 | 1998–1999 |
| Kemp, Texas, US | 2 | 2000–2002 |
| Boulder, CO, US | 2 | 1982–1983 |