LexDanaLexDanabeta
Inventor

Shigeyuki Itoh

Inventor
Kawasaki, JP

Overview

71→
Patents
1986–2015
Patent span
Physics
Primary field (CPC G)

Patents· 71 as inventor

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

G06Qprimary
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes20%
G07FCoin-freed or like apparatus19%
H04NPictorial communication, e.g. television17%
G11BInformation storage based on relative movement between record carrier and transducer7%
G06KGraphical data reading6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
C07DHeterocyclic compounds4%
A01NPreservation of bodies of humans or animals or plants or parts thereof3%
C07CAcyclic or carbocyclic compounds3%
G06FElectric digital data processing3%
PatentTitleYear
8,987,170'Succinimide compound'20158,618,329'Iminopropene compound and use thereof'20138,410,316'Iminopropene compound and use thereof'20138,318,981'Imidate compound and use thereof for pest control'20128,314,858'Imaging and recording apparatus controlling erasure of data in flash type memory'20128,278,473'Alpha, beta-unsaturated imidate compound and pesticidal composition containing the same'20128,084,644'Iminopropene compound and use thereof'20117,379,915'Electronic purse loan system'20087,346,579'Electronic purse application system and method thereof'20087,304,669'Imaging and recording apparatus'20077,278,029'Program writable IC card and method thereof'20076,976,625'Electronic purse'20056,938,165'Program writable IC card and method thereof'20056,902,106'Electronic money transaction system with a radio transmitter and receiver using a portable telephone'20056,827,258'Electronic purse'20046,813,321'Digital demodulator'20046,732,272'Program writable integrated circuit card and method therefore'20046,679,423'Electronic-money rewarding system for lost and found IC card'20046,677,989'Imaging and recording apparatus'20046,634,549'IC card automated transaction terminal and IC used therein'20036,536,661'Electronic money transaction system with a radio transmitter and receiver using a portable telephone'20036,505,297'IC card terminal device and installation of application program into IC card terminal device'20036,490,010'AFC circuit, carrier recovery circuit and receiver device capable of regenerating a carrier reliably even at the time of low C/N ratio'20026,454,164'Pocket-size information transfer apparatus having dual IC card insertion slots and IC card using the same'20026,425,522'IC card information processing system, and apparatus and cards for the same'20026,382,505'Electronic purse'20026,367,696'IC card processing device, automatic vending device, and selling method'20026,359,699'IC card processing system and processing method'20026,345,263'Electronic purse application system and method thereof'20026,282,293'System and method for charging fee for video information'20016,273,334'Electronic-money rewarding system for lost and found IC card'20016,230,971'Transaction-oriented electronic accommodation system'20016,199,755'Machine data acquistion system and method'20016,189,782'Electronic purse'20016,167,467'Information reception and recording circuit'20006,116,506'Transaction-oriented electronic accommodation system'20006,081,350'Imaging and recording apparatus'20006,042,002'Holding apparatus for a plurality of IC cards facilitating transactions of electronic money among the IC cards'20006,036,088'Method and apparatus for processing IC card found'20006,016,957'IC card reader/writer and method of operation thereof'20006,016,956'Electronic money transaction system with a radio transmitter and receiver using a portable telephone'20006,000,607'IC card reader/writer and method of operation thereof'19995,992,738'IC card automated transaction terminal and IC card used therein'19995,991,747'Electronic purse loan system'19995,987,438'Electronic wallet system'19995,945,652'Electronic wallet and method for operating the same'19995,938,741'Information transmission/reception system for transmitting information to requesters, where it is recorded, in response to a plurality of requests'19995,932,859'Electronic-money rewarding system for lost and found IC card'19995,838,059'Multichip IC card and IC card system using it'19985,808,672'Apparatus for removably mounting an electronic camera to a computer system'19985,801,847'Imaging and recording apparatus'19985,793,517'Imaging and recording apparatus'19985,790,274'Imaging and recording apparatus'19985,748,238'Video camera'19985,699,173'Portable electronic still camera recording optical images of subjects in a memory which facilitates memory access from an external request'19975,664,220'Information transmission/reception system for transmitting information to requesters, where it is recorded, in response to a plurality of requests'19975,570,220'Apparatus for transmitting lightwave'19965,565,919'Video camera/VTR and camera station with opto-electronic link between camera/VTR and camera station'19965,539,535'Portable electronic still camera recording optical images of subjects in a memory which facilitates memory access from an external request'19965,528,433'Wide picture video recording/reproducing system'19965,432,650'Magnetic tape recording/reproducing apparatus having automatic mode control'19955,396,372'Audio signal recording and reproducing apparatus'19955,388,009'PCM signal recording method and apparatus capable of adding index code to PCM signal recorded at different transmission rates'19955,109,305'Four head sequential switch scanning type magnetic recording/reproducing apparatus'19924,994,923'Video signal recording and reproducing apparatus with signal processing circuit for improvement of picture quality'19914,992,891'Dual record/read head video recording and playback apparatus with fade-in function'19914,991,026'Chrominance signal reproducing apparatus for video tape recorder'19914,825,305'Apparatus for recording and reproducing digital using dynamic range compression'19894,769,722'Apparatus for recording and reproducing a video signal and for recording and reproducing a PCM audio signal on forward and reverse tape travelling directions'19884,677,645'Audio signal transmission system having noise reduction means'19874,604,659'Apparatus for detecting a drop-out in a magnetic recording/reproducing apparatus'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–2008Patents assigned to HITACHI LTD (59)· patent assignee history
1988–1995Based in Yokohama, JP· patent location history
1995–2012Based in Kawasaki, JP· patent location history
1999–2008Based in Zushi, JP· patent location history
2001–2008Patents assigned to HITACHI VIDEO & INF SYST (12)· patent assignee history
2011–2015Patents assigned to SUMITOMO CHEMICAL CO (6)· patent assignee history
2011–2013Patents assigned to ITOH SHIGEYUKI (5)· patent assignee history
2011–2013Patents assigned to IWATA ATSUSHI (2)· patent assignee history
2011–2013Based in Osaka, JP· patent location history
2012Based in Oita, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD591986–2008
HITACHI VIDEO & INF SYST122001–2008
SUMITOMO CHEMICAL CO62011–2015
ITOH SHIGEYUKIself52011–2013
IWATA ATSUSHI22011–2013
Locations
LocationPatentsSpan
Kawasaki, JP341995–2012
Zushi, JP201999–2008
Yokohama, JP61988–1995
Osaka, JP32011–2013
Oita, JP22012