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Inventor

Kosei Maemura

Inventor
Tokyo, JP

Overview

8→
Patents
1992–2009
Patent span
Electricity
Primary field (CPC H)

Patents· 8 as inventor

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

H03Fprimary
H03FAmplifiers36%
H03KPulse technique21%
H04BTransmission21%
H03GControl of amplification14%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems7%
PatentTitleYear
7,554,394'Power amplifier circuit'20097,417,507'Bias circuit for power amplifier having a low degradation in distortion characteristics'20086,946,913'High frequency amplifier circuit'20056,308,047'Radio-frequency integrated circuit for a radio-frequency wireless transmitter-receiver with reduced influence by radio-frequency power leakage'20015,878,331'Integrated circuit'19995,699,018'Negative voltage generator'19975,548,825'Radio transmitter with active band-pass filtering'19965,084,907'Two-modulus variable frequency-divider circuit'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–2009Patents assigned to MITSUBISHI ELECTRIC CORP (8)· patent assignee history
1992–1996Based in Itami, JP· patent location history
1997–2009Based in Tokyo, JP· patent location history
2001Based in Hyogo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI ELECTRIC CORP81992–2009
Locations
LocationPatentsSpan
Tokyo, JP51997–2009
Itami, JP21992–1996
Hyogo, JP12001