Inventor

Katsuo Mohri

Inventor

Yokosuka, JP

Overview

19→

Patents

1976–1998

Patent span

Electricity

Primary field (CPC H)

Patents· 19 as inventor

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

G11Bprimary

G11BInformation storage based on relative movement between record carrier and transducer36%

H04NPictorial communication, e.g. television36%

H04LTransmission of digital information, e.g. telegraphic communication6%

F24FAir-conditioning3%

F25BRefrigeration machines, plants or systems3%

G04GElectronic time-pieces3%

G05DSystems for controlling or regulating non-electric variables3%

H01HElectric switches3%

H02HEmergency protective circuit arrangements3%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%

PatentTitleYear

5,729,649'Methods and apparatus for recording data on a digital storage medium in a manner that facilitates the reading back of data during trick play operation'1998 5,687,275'Trick play data indentification methods and apparatus for use with digital video recording and playback devices'1997 5,623,344'Digital video recording device with trick play capability'1997 5,583,650'Digital recording and playback device error correction methods and apparatus for use with trick play data'1996 5,459,585'Apparatus and method of storing image signals'1995 4,843,493'Rotary head type magnetic recording and reproducing apparatus and method of producing tracking control signals therefor'1989 4,642,708'Magnetic recording and reproducing apparatus'1987 4,604,659'Apparatus for detecting a drop-out in a magnetic recording/reproducing apparatus'1986 4,581,659'Method and apparatus for reproducing information at variable speeds from a magnetic tape'1986 4,507,690'Device for controlling consecutive recording of video information signals from video camera'1985 4,453,186'Video and sound signal recording and reproducing device'1984 4,338,645'Tape running time indication system'1982 4,325,081'Programmed timer for VTR'1982 4,153,922'Relay control circuit'1979 4,142,375'Control apparatus for air conditioning unit'1979 3,990,107'Circuit for automatically controlling horizontal scanning frequency'1976 3,978,284'Receiver for use in a multi-level code transmission system'1976 3,941,930'Synchronizing signal regenerator'1976 3,941,920'Receiver for a still picture broadcasting signal'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1998Patents assigned to HITACHI LTD (18)· patent assignee history

1976Patents assigned to JAPAN BROADCASTING CORP (1)· patent assignee history

1976Based in Yokohama, JP· patent location history

1979–1998Based in Yokosuka, JP· patent location history

1986–1997Based in Kanagawa, JP· patent location history

1986Based in Yokoshuka, JP· patent location history

1996–1998Patents assigned to HITACHI AMERICA LTD (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	18	1976–1998
HITACHI AMERICA LTD	4	1996–1998
JAPAN BROADCASTING CORP	1	1976

Locations

Location	Patents	Span
Yokosuka, JP	11	1979–1998
Yokohama, JP	4	1976
Kanagawa, JP	3	1986–1997
Yokoshuka, JP	1	1986