Inventor

Zhou Changming

Inventor

Tokyo, JP

Overview

2002

Patent span

Electricity

Primary field (CPC H)

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

H03Gprimary

H03GControl of amplification33%

H03JTuning resonant circuits33%

H04BTransmission33%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

2002Patents assigned to HITACHI INT ELECTRIC INC (1)· patent assignee history

2002Patents assigned to YOZAN INC (1)· patent assignee history

2002Based in Tokyo, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI INT ELECTRIC INC	1	2002
YOZAN INC	1	2002

Locations

Location	Patents	Span
Tokyo, JP	1	2002