Inventor

Yoshizumi Eto

Inventor

Sagamihara, JP

Overview

36→

Patents

1976–2021

Patent span

Electricity

Primary field (CPC H)

Patents· 36 as inventor

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

H04Nprimary

H04NPictorial communication, e.g. television39%

G11BInformation storage based on relative movement between record carrier and transducer19%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein5%

H01GCapacitors5%

H03MCoding5%

G05DSystems for controlling or regulating non-electric variables3%

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation3%

B60LPropulsion of electrically-propelled vehicles2%

B60WConjoint control of vehicle sub-units of different type or different function2%

G01CMeasuring distances, levels or bearings2%

PatentTitleYear

11,125,573Pickup system and method for controlling pickup system2021 11,085,780Pickup system and method for controlling pickup system2021 11,052,775Power management system and power management method2021 6,345,390'Bidirectional digital signal transmission system and repeater for the same'2002 6,252,898'Spread spectrum communication method and system wherein data rate of data to be transmitted is changed in accordance with transmission quality'2001 5,978,651'Method for bidirectionally transmitting digital video signal and digital video signal bidirectional transmission system'1999 5,701,581'Method for bidirectionally transmitting digital video signal and digital video signal bidirectional transmission system'1997 5,552,940'Method and apparatus for digital signal recording and/or reproduction'1996 5,500,676'Method of encoding and multiplexing picture signals and apparatus utilizing the same'1996 5,282,045'Depth-of-field control apparatus and image pickup apparatus having the same therein'1994 5,247,401'Replay equalization circuit in digital image recorder'1993 5,159,452'Video signal transmitting method and equipment of the same'1992 5,113,247'Solid state image pickup apparatus for correcting discrepancy of registration'1992 5,047,852'Adaptive transform encoder for digital image signal in recording/reproducing apparatus'1991 4,983,965'Demodulation apparatus'1991 4,970,707'Optical tape apparatus with a tracking control mechanism and/or a focusing control mechanism'1990 4,963,992'Apparatus for recording/reproducing digital video signals in both a standard mode and a long playing mode'1990 4,825,291'Solid-state televison camera with storage time controller'1989 4,802,192'Circuit for detecting synchronizing code'1989 4,791,495'Digital signal recording and reproducing system having an interface for dubbing a color television signal in the component form'1988 4,775,897'Dubbing method and apparatus for digital recording reproducing apparatus including direct digital outputs'1988 4,737,863'Method for distributing and recording video signals and an apparatus using the same'1988 4,700,240'Digital data playback system'1987 4,698,811'Method and apparatus for generating error correction codes for digitized picture signal recording/reproducing'1987 4,652,942'Method and system for converting binary data using bit-divided encoding'1987 4,653,052'Method for decoding double-encoding codes and apparatus using the same'1987 4,628,297'Code modulation system'1986 4,409,627'Video signal decoding circuit'1983 4,367,495'Method and apparatus for magnetic recording and reproduction of digital signal'1983 4,233,506'Photo-sensor'1980 4,088,391'Irregular ferroelectric element devised for single domain-wall motion'1978 4,046,455'Irregular ferroelectric element devised for motion of plural domain-walls'1977 3,999,011'Method and system for controlling electron beam quantity in camera tube'1976 3,975,657'Method of and apparatus for controlling amount of electron beam in image pickup tube'1976 3,973,079'Two-level picture signal transmission system'1976 3,936,146'Irregular ferroelectric element for controllable single domain'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1996Patents assigned to HITACHI LTD (25)· patent assignee history

1976–2002Based in Sagamihara, JP· patent location history

1976–1978Based in Hachioji, JP· patent location history

1980Patents assigned to NIPPON TELEGRAPH & TELEPHONE (1)· patent assignee history

1983–2002Patents assigned to HITACHI ELECTRONICS (17)· patent assignee history

1996Patents assigned to JAPAN BROADCASTING CORP (1)· patent assignee history

2021Patents assigned to TOYOTA MOTOR CO LTD (2)· patent assignee history

2021Based in Okazaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	25	1976–1996
HITACHI ELECTRONICS	17	1983–2002
TOYOTA MOTOR CO LTD	2	2021
JAPAN BROADCASTING CORP	1	1996
NIPPON TELEGRAPH & TELEPHONE	1	1980

Locations

Location	Patents	Span
Sagamihara, JP	28	1976–2002
Hachioji, JP	5	1976–1978
Okazaki, JP	3	2021