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Inventor

Masaaki Ohta

Inventor
Zushi, JP

Overview

2→
Patents
1995–1997
Patent span
Electricity
Primary field (CPC H)

Patents· 2 as inventor

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

H03Cprimary
H03CModulation17%
H03DDemodulation or transference of modulation from one carrier to another17%
H04BTransmission17%
H04HBroadcast communication17%
H04LTransmission of digital information, e.g. telegraphic communication17%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use17%
PatentTitleYear
5,682,431'FM stereo broadcasting apparatus and method'19975,473,280'Modulation/demodulation method and system for realizing quadrature modulation/demodulation technique used in digital mobile radio system with complex signal processing'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–1997Patents assigned to HITACHI ELECTRONICS (2)· patent assignee history
1995Patents assigned to HITACHI LTD (1)· patent assignee history
1995–1997Based in Zushi, JP· patent location history
1997Patents assigned to JAPAN BROADCASTING CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI ELECTRONICS21995–1997
HITACHI LTD11995
JAPAN BROADCASTING CORP11997
Locations
LocationPatentsSpan
Zushi, JP21995–1997