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Inventor

Yoichiro Takayama

Inventor
Tokyo, JP

Overview

3→
Patents
1978–2020
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
H03FAmplifiers50%
G01RMeasuring electric variables25%
H04BTransmission25%
PatentTitleYear
10,637,519Dual-band amplifier20208,154,348'Amplifier circuit'20124,072,897'Equivalent load-pull characterization of microwave transistors'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978Patents assigned to NIPPON ELECTRIC CO (1)· patent assignee history
1978–2012Based in Tokyo, JP· patent location history
2012–2020Patents assigned to UNIV ELECTRO COMMUNICATIONS (2)· patent assignee history
2012Patents assigned to CAMPUS CREATE CO LTD (1)· patent assignee history
2012Patents assigned to HONJO KAZUHIKO (1)· patent assignee history
2012Patents assigned to ISHIKAWA RYO (1)· patent assignee history
2020Based in Chofu, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNIV ELECTRO COMMUNICATIONS22012–2020
CAMPUS CREATE CO LTD12012
HONJO KAZUHIKO12012
ISHIKAWA RYO12012
NIPPON ELECTRIC CO11978
Locations
LocationPatentsSpan
Tokyo, JP21978–2012
Chofu, JP12020