Inventor

John Spears

Inventor
Johnsburg, IL, US

Overview

18→
Patents
1996–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 18 as inventor

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

H04Bprimary
H04BTransmission24%
H03HImpedance networks, e.g. resonant circuits20%
H01QAntennas, i.e. radio aerials11%
H01PWaveguides9%
H04LTransmission of digital information, e.g. telegraphic communication9%
H04WWireless communication networks9%
G05BControl or regulating systems in general4%
G06FElectric digital data processing4%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes2%
H01GCapacitors2%
PatentTitleYear
11,051,085Method and system for delivery of immersive content over communication networks202110,902,064Method and system for managing item distributions20219,941,922Method and apparatus for managing interference in a communication device20189,698,758'Methods for tuning an adaptive impedance matching network with a look-up table'20179,671,765'Methods and apparatus for tuning circuit components of a communication device'20179,564,944'Method and apparatus for managing interference in a communication device'20179,450,637'Method and apparatus for managing interference in a communication device'20168,957,742'Methods for tuning an adaptive impedance matching network with a look-up table'20158,948,889'Methods and apparatus for tuning circuit components of a communication device'20158,860,526'Method and apparatus for managing interference in a communication device'20148,860,525'Method and apparatus for managing interference in a communication device'20148,674,783'Methods for tuning an adaptive impedance matching network with a look-up table'20148,421,548'Methods for tuning an adaptive impedance matching network with a look-up table'20138,395,459'Methods for tuning an adaptive impedance matching network with a look-up table'20138,072,285'Methods for tuning an adaptive impedance matching network with a look-up table'20117,777,369'Apparatus, system and methods for enabling linearity improvement in voltage controlled variable capacitors'20105,740,525'Method and apparatus for temperature compensation of a reference oscillator in a communication device'19985,588,041'Cellular speakerphone and method of operation thereof'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–1998Based in McHenry, IL, US· patent location history
2010–2018Based in Johnsburg, IL, US· patent location history
2013–2014Patents assigned to RESEARCH IN MOTION RF INC (3)· patent assignee history
2013–2014Patents assigned to SMITH WAYNE (3)· patent assignee history
2014–2018Patents assigned to BLACKBERRY LTD (10)· patent assignee history
2014–2015Patents assigned to GREENE MATTHEW (3)· patent assignee history
2014–2015Patents assigned to MANSSEN KEITH (3)· patent assignee history
2021Based in Hayward, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BLACKBERRY LTD102014–2018
GREENE MATTHEW32014–2015
MANSSEN KEITH32014–2015
RESEARCH IN MOTION RF INC32013–2014
SMITH WAYNE32013–2014
Locations
LocationPatentsSpan
Johnsburg, Illinois, US142010–2018
Hayward, California, US22021
McHenry, Illinois, US21996–1998