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Inventor

Takanobu Fujiwara

Inventor
Tokyo, JP

Overview

3→
Patents
2019–2020
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.

H03Fprimary
H03FAmplifiers29%
H03HImpedance networks, e.g. resonant circuits29%
H01PWaveguides14%
H03GControl of amplification14%
H04LTransmission of digital information, e.g. telegraphic communication14%
PatentTitleYear
10,581,395Variable gain amplifier202010,530,338Phase shift precision calibration circuitry, vector sum phase shifter, and wireless communication device202010,425,062Polyphase filter and filter circuit2019

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2019–2020Patents assigned to MITSUBISHI ELECTRIC CORP (3)· patent assignee history
2019–2020Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI ELECTRIC CORP32019–2020
Locations
LocationPatentsSpan
Tokyo, JP32019–2020