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Inventor

Yoshitada Iyama

Inventor
Tokyo, JP

Overview

5→
Patents
1988–2001
Patent span
Electricity
Primary field (CPC H)

Patents· 5 as inventor

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

H03Hprimary
H03HImpedance networks, e.g. resonant circuits25%
H01PWaveguides13%
H03DDemodulation or transference of modulation from one carrier to another13%
H03FAmplifiers13%
H03GControl of amplification13%
H03KPulse technique13%
H04BTransmission13%
PatentTitleYear
6,201,441'Semiconductor circuit'20016,094,108'Unbalance-to-balance converter utilizing a transistor'20006,044,255'Radio frequency circuit with integrated elements and method of manufacture'20005,701,107'Phase shifter circuit using field effect transistors'19974,789,846'Microwave semiconductor switch'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2001Patents assigned to MITSUBISHI ELECTRIC CORP (5)· patent assignee history
1988Based in Kanagawa, JP· patent location history
1997Based in Kamakura, JP· patent location history
2000–2001Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI ELECTRIC CORP51988–2001
Locations
LocationPatentsSpan
Tokyo, JP32000–2001
Kamakura, JP11997
Kanagawa, JP11988