Inventor

David P. Johnson

Inventor
Cary, NC, US

Overview

17→
Patents
1982–2020
Patent span
Physics
Primary field (CPC G)

Patents· 17 as inventor

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

G06Fprimary
G06FElectric digital data processing40%
H04LTransmission of digital information, e.g. telegraphic communication24%
H04NPictorial communication, e.g. television8%
A63FCard, board, or roulette games4%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles4%
B60WConjoint control of vehicle sub-units of different type or different function4%
E06BFixed or movable closures for openings in buildings, vehicles, fences or like enclosures in general, e.g. doors, windows, blinds, gates4%
G06KGraphical data reading4%
G06VImage or video recognition or understanding4%
G08BSignalling systems, e.g. personal calling systems4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–2016Patents assigned to JOHNSON DAVID P (6)· patent assignee history
1982Based in Omaha, NE, US· patent location history
1994Patents assigned to HILL RONALD D (1)· patent assignee history
1994Based in Marysville, CA, US· patent location history
2002–2018Patents assigned to IBM (14)· patent assignee history
2002Based in Apex, NC, US· patent location history
2008–2018Based in Cary, NC, US· patent location history
2013–2014Patents assigned to JOHNSON DAVID PHILLIP (2)· patent assignee history
2013–2014Patents assigned to KAMINSKY DAVID LOUIS (2)· patent assignee history
2020Based in Round Rock, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IBM142002–2018
JOHNSON DAVID Pself61982–2016
JOHNSON DAVID PHILLIPself22013–2014
KAMINSKY DAVID LOUIS22013–2014
HILL RONALD D11994
Locations
LocationPatentsSpan
Cary, NC, US132008–2018
Round Rock, Texas, US12020
Apex, NC, US12002
Marysville, California, US11994
Omaha, NE, US11982