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Inventor

Masami Nagaoka

Inventor
Ebina, JP

Overview

8→
Patents
1993–2020
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
H03FAmplifiers19%
H10DInorganic electric semiconductor devices19%
G06KGraphical data reading6%
G07DHandling of coins or valuable papers, e.g. testing, sorting by denominations, counting, dispensing, changing or depositing6%
G07FCoin-freed or like apparatus6%
H01LSemiconductor devices6%
H01QAntennas, i.e. radio aerials6%
H03GControl of amplification6%
H03HImpedance networks, e.g. resonant circuits6%
H03KPulse technique6%
PatentTitleYear
10,789,818Operation panel structure and automatic teller machine including operation panel structure20209,627,208'Semiconductor switch'20176,134,424'High-frequency power amplifier and mobile communication device using same'20006,118,985'High frequency switch device, front end unit and transceiver'20006,075,414'High frequency amplifier having a variable attenuator connected to the base of an amplifier FET'20005,757,235'Metal semiconductor field effect transistor of source-ground type'19985,638,027'Integrated circuit amplifier'19975,273,937'Metal semiconductor device and method for producing the same'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–2017Patents assigned to TOSHIBA KK (7)· patent assignee history
1993Based in Yokohama, JP· patent location history
1997–2017Based in Ebina, JP· patent location history
2020Patents assigned to OKI ELECTRIC IND CO LTD (1)· patent assignee history
2020Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOSHIBA KK71993–2017
OKI ELECTRIC IND CO LTD12020
Locations
LocationPatentsSpan
Ebina, JP61997–2017
Tokyo, JP12020
Yokohama, JP11993