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Inventor

Hideo Nishijima

Inventor
Katsuta, JP

Overview

108→
Patents
1980–2020
Patent span
Physics
Primary field (CPC G)

Patents· 108 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 transducer35%
H04NPictorial communication, e.g. television31%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters5%
H04MTelephonic communication3%
G06FElectric digital data processing2%
G06VImage or video recognition or understanding2%
G06KGraphical data reading2%
G09GArrangements or circuits for control of indicating devices using static means to present variable information2%
H03GControl of amplification2%
PatentTitleYear
10,555,042Mobile terminal and video display apparatus202010,303,433Portable terminal device and information processing system201910,295,896Display system, display device, display terminal, display method of display terminal, and control program201910,264,456Mobile terminal and control method thereof201910,212,586Mobile terminal and control method thereof20199,942,483Information processing device and method using display for auxiliary light20189,721,462'Terminal device and remote control method'20179,652,824'Display system, display device, display terminal, display method of display terminal, and control program'20179,640,144'Projector, figure input/display apparatus, portable terminal, and program'20179,591,261'Video telephone device and video telephone processing method'20179,516,363'System, video display apparatus, content server, and information terminal device'20168,326,122'Recorder/reproducer'20128,040,768'Information recording apparatus'20117,903,930'Data recording apparatus and system having sustained high transfer rates'20117,835,617'Data recording apparatus and system having sustained high transfer rates'20107,706,541'Information management apparatus'20107,457,513'Recorder/reproducer'20087,424,200'Information recording apparatus and information recording method'20087,349,623'Data recording apparatus and system having sustained high transfer rates'20087,269,112'Information recording apparatus'20077,263,272'Digital/analog compatible video tape recorder'20077,218,834'Method and apparatus for recording and playing back monitored video data'20077,209,631'Image recording/reproducing apparatus'20077,116,620'System and method for controlling recording state transitions in an information recording apparatus'20067,096,486'TV program selection support system'20067,050,699'Recording/reproducing apparatus and reproducing apparatus'20066,996,046'Information recording apparatus and method'20066,987,924'Recorder/reproducer'20066,801,713'Recorded program viewing support method'20046,798,979'Digital/analog compatible video tape recorder'20046,771,574'Disk device, read control method for management information in disk device, and data processing terminal device using that disk device'20046,771,893'Recording apparatus and reproducing apparatus'20046,731,451'Information management apparatus'20046,684,024'Method and apparatus for recording and playing back monitored video data'20046,587,638'Recording/ reproducing apparatus and input/ output device'20036,504,992'Video signal reproducing apparatus and video signal display apparatus'20036,459,541'Magnetic recording and reproducing apparatus arranged to save electric power consumed in detecting tape end and reduce load on microprocessor'20026,424,787'Magnetic recording/reproducing apparatus and the same equipped with an image sensor'20026,388,831'Apparatus and method for limiting the reproduction of main information'20026,349,012'Magnetic recording and/or reproducing apparatus'20026,314,137'Video data compression system, video recording/playback system, and video data compression encoding method'20016,275,646'Image recording/reproducing apparatus'20016,272,285'Digital/analog compatible video tape recorder'20016,263,151'Recording/reproducing apparatus and reproducing apparatus'20016,215,948'Magnetic recording/reproducing apparatus and the same equipped with an image sensor'20016,204,985'Information management apparatus'20016,195,499'Magnetic recording and/or reproducing apparatus'20016,158,682'Tape running apparatus'20006,141,172'Magnetic recording and reproducing apparatus arranged to save electric power consumed in detecting tape end and reduce load on microprocessor'20006,104,567'Recording and reproducing apparatus including a tracking apparatus with a steady speed deviation circuit'20006,089,485'Apparatus or method for controlling tape speed'20006,031,677'Information management apparatus'20006,021,016'Magnetic recording and reproducing apparatus arranged to save electric power consumed in detecting tape end and reduce load on microprocessor'20006,002,831'Image recording/reproducing apparatus'19995,978,546'Digital/analog compatible video tape recorder'19995,956,461'Camcorder and controller'19995,930,274'Information recording and reproduction apparatus to be controlled by temporal information'19995,912,969'Information receiving and recording/reproducing apparatus/method having function for limiting/delimiting for protecting copyright of recording information'19995,894,026'Method of making a food composite comprising herring eggs'19995,875,279'Subscriber terminal of an interactive communication system and control device thereof'19995,839,683'Apparatus for controlling tape speed'19985,825,969'Information management apparatus for inhibiting reproduction in a video cassette recorder'19985,760,988'Tracking method and apparatus used in helical scan magnetic recording/reproducing system'19985,719,943'Digital information signal transmitting/receiving method and system'19985,699,206'Magnetic recording and reproducing apparatus arranged to save electric power consumed in detecting tape end and reduce load on microprocessor'19975,699,370'Information recording and reproduction apparatus to be controlled by temporal information'19975,559,414'Control unit of direct-current motor'19965,464,648'Process for preparing a cohesive mass of herring eggs'19955,463,505'Helical-scan information recording-playback apparatus'19955,438,459'Method of processing and recording data while reproducing the same and apparatus for the method'19955,359,473'Tracking device'19945,251,074'Method and apparatus for controlling a video signal print system'19935,241,434'Magnetic recording signal reproducing apparatus'19935,220,477'Cassette tape-loading apparatus'19935,138,504'Tape transport control apparatus for switching from high speed reel drive to low speed capstan drive without stopping the tape'19925,138,505'Tracking apparatus for a magnetic recording and playback apparatus with independent control of audio head with respect to video head'19925,063,437'Method and apparatus for processing a color video signal'19915,063,456'Video signal processor'19915,060,087'Editing circuit for a magnetic recording and reproducing apparatus'19915,057,949'Digital magnetic reproducing apparatus with variable tape speed'19914,984,083'Image processing system'19914,926,361'Digital noise reducer'19904,912,571'A memory controlling apparatus for a magnetic recording and reproducing apparatus'19904,855,812'Picture synthesizing apparatus with gain control system'19894,777,543'Tracking correction for a rotary head by detection of the minimum signal level'19884,774,598'Slow-motion device of magnetic recording and reproducing apparatus'19884,757,394'Auto-tracking apparatus of a magnetic recording/reproducing apparatus'19884,737,864'Still picture recording system with noise detection and frame counting during shift from reproduction of picture in motion to reproduction of still picture including an intermediate slow motion mode'19884,707,749'Address code inserting system for video tape recording apparatus'19874,682,096'Switching regulator system for a motor driving circuit'19874,675,752'Apparatus for recording and/or reproducing video signals'19874,651,067'Apparatus for driving brushless motor'19874,613,914'Auto-tracking method and apparatus of a magnetic recording/reproducing apparatus'19864,605,901'Frequency-voltage converter'19864,590,438'Bipolar transistor circuit with FET constant current source'19864,543,516'Speed and phase control system'19854,521,750'Characteristic switching circuit'19854,518,901'Motor control apparatus'19854,503,369'Power supply for plural brushless DC motors'19854,494,056'Motor driving circuit'19854,482,926'Method and apparatus for magnetic recording and reproducing'19844,460,953'Signal voltage dividing circuit'19844,358,797'Electronic editing control apparatus for a video tape recorder'19824,338,554'Automatic gain control apparatus for a motor servo system'19824,307,326'Drive system for a motor'19814,256,975'Limiter circuit for removing nose from demodulated signals'19814,198,602'Limiter circuit for limiting pulsive noises'19804,197,505'Limiter circuit'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–2012Patents assigned to HITACHI LTD (93)· patent assignee history
1980–2010Based in Katsuta, JP· patent location history
1980–2012Based in Yokohama, JP· patent location history
1984–1988Patents assigned to HITACHI MICROCUMPUTER ENG (5)· patent assignee history
1994–2020Based in Ibaraki, JP· patent location history
1996–2019Based in Hitachinaka, JP· patent location history
2008–2010Based in Tokyo, JP· patent location history
2012–2017Patents assigned to NISHIJIMA HIDEO (3)· patent assignee history
2016–2018Patents assigned to HITACHI MAXELL (6)· patent assignee history
2019–2020Patents assigned to MAXELL LTD (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD931980–2012
HITACHI MAXELL62016–2018
HITACHI MICROCUMPUTER ENG51984–1988
MAXELL LTD52019–2020
NISHIJIMA HIDEOself32012–2017
Locations
LocationPatentsSpan
Katsuta, JP481980–2010
Hitachinaka, JP411996–2019
Ibaraki, JP81994–2020
Yokohama, JP51980–2012
Tokyo, JP22008–2010