Inventor

Yasuhiro Tabata

Inventor

Kawasaki, JP

Overview

35→

Patents

1977–2015

Patent span

Physics

Primary field (CPC G)

Patents· 35 as inventor

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

G03Gprimary

G03GElectrography30%

G06FElectric digital data processing25%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests16%

H04NPictorial communication, e.g. television14%

G03BApparatus or arrangements for taking photographs or for projecting or viewing them5%

G06KGraphical data reading4%

B65HHandling thin or filamentary material, e.g. sheets, webs, cables2%

F02MSupplying combustion engines in general with combustible mixtures or constituents thereof2%

G03CPhotosensitive materials for photographic purposes2%

G11BInformation storage based on relative movement between record carrier and transducer2%

PatentTitleYear

9,111,008'Document information management system'2015 8,826,151'Information processing apparatus and computer-readable medium for virtualizing an image processing apparatus'2014 8,554,786'Document information management system'2013 7,512,874'Document information management system'2009 7,363,580'Intermediate address table for converting position information to an address of a link structure correlated information file on a hypertext document'2008 7,016,058'Network control method and system'2006 6,910,184'Document information management system'2005 6,658,408'Document information management system'2003 6,537,324'Generating and storing a link correlation table in hypertext documents at the time of storage'2003 6,381,593'Document information management system'2002 6,356,923'Document information management system'2002 6,198,542'Network control method and system'2001 6,035,308'System and method of managing document data with linking data recorded on paper media'2000 6,014,668'Document information management system and method of generating a human-computer interactive document sheet allowing relevant information retrieval from a remote site'2000 5,957,381'Fuel injection nozzle'1999 5,798,844'Duplicator having function concerning specific mark put on recording sheet and image forming apparatus having function of processing confidential documents'1998 5,774,232'Image recording apparatus'1998 5,717,843'Image recording apparatus'1998 5,678,135'Image forming apparatus for a multiplex copying system'1997 5,604,596'Copying apparatus having determination unit for special original and for controlling copying and marking based on determination'1997 5,602,651'Image recording apparatus'1997 5,448,346'Image recording apparatus and method including image size recognition and centering of the reproduced image'1995 4,399,431'Alarm or warning device for signaling left-behind master or original'1983 4,332,877'Electrophotographic copying method'1982 4,286,865'Electrophotographic copying apparatus for the production of multiple copies from a single latent electrostatic image'1981 4,272,180'Electrostatic copying machine'1981 4,231,561'Auto document feeder for use with duplex copying machine'1980 4,218,128'Duplex copying machine'1980 4,218,130'Method for controlling a copying apparatus adapted to print images on opposite surfaces of a copy sheet'1980 4,187,024'Electrostatic copying machine'1980 4,178,093'Optomechanical scanning apparatus for copying machine'1979 4,173,410'Method of duplex copying'1979 4,142,792'Electrophotographic apparatus'1979 4,110,025'Duplex electrostatic copying machine'1978 4,015,892'Optical scanning system for slitwise exposure'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–2009Patents assigned to RICOH KK (30)· patent assignee history

1977–1998Based in Kawasaki, JP· patent location history

1978–1981Based in Tokyo, JP· patent location history

2000–2006Based in Yokohama, JP· patent location history

2002–2015Based in Kanagawa, JP· patent location history

2005Based in Tokoyo, JP· patent location history

2013–2015Patents assigned to RICOH CO LTD (3)· patent assignee history

2013–2014Patents assigned to TABATA YASUHIRO (2)· patent assignee history

2013–2014Patents assigned to YANO TAKASHI (2)· patent assignee history

2013Patents assigned to ISHIJIMA HISASHI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
RICOH KK	30	1977–2009
RICOH CO LTD	3	2013–2015
TABATA YASUHIROself	2	2013–2014
YANO TAKASHI	2	2013–2014
ISHIJIMA HISASHI	1	2013

Locations

Location	Patents	Span
Kawasaki, JP	15	1977–1998
Kanagawa, JP	9	2002–2015
Tokyo, JP	5	1978–1981
Yokohama, JP	4	2000–2006
Tokoyo, JP	1	2005