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Inventor

Charles H. Matsumoto

Inventor
Phoenix, AZ, US

Overview

3→
Patents
2001–2016
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

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

H03Jprimary
H03JTuning resonant circuits29%
H03CModulation14%
H03FAmplifiers14%
H03KPulse technique14%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses14%
H04BTransmission14%
PatentTitleYear
9,362,966'Bidirectional ports for multi-tuner background radios'20166,747,987'Transmit modulation circuit and method of operating a transmitter'20046,271,707'Level shifter'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2004Patents assigned to MOTOROLA INC (2)· patent assignee history
2001–2004Based in Phoenix, AZ, US· patent location history
2016Patents assigned to QUALCOMM TECHNOLOGIES INT LTD (1)· patent assignee history
2016Based in Chandler, AZ, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MOTOROLA INC22001–2004
QUALCOMM TECHNOLOGIES INT LTD12016
Locations
LocationPatentsSpan
Phoenix, AZ, US22001–2004
Chandler, AZ, US12016