Inventor

Katsumi Tanaka

Inventor

Tokyo, JP

Overview

55→

Patents

1978–2017

Patent span

Physics

Primary field (CPC G)

Patents· 55 as inventor

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

G03Bprimary

G03BApparatus or arrangements for taking photographs or for projecting or viewing them12%

G06FElectric digital data processing9%

H04NPictorial communication, e.g. television9%

G02BOptical elements, systems or apparatus6%

H04LTransmission of digital information, e.g. telegraphic communication5%

Y10TTechnical subjects covered by former us classification5%

A61CDentistry4%

A61FFilters implantable into blood vessels4%

A61KPreparations for medical, dental or toiletry purposes2%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations2%

PatentTitleYear

9,712,694'Cooperative system, information processing apparatus, and computer program product'2017 9,692,917'Operating information storing system, operating information storing method, and non-transitory computer readable recording medium storing an operating information storing method for storing information from volatile memory to non-volatile memory'2017 9,454,069'Illumination system having first and second lens arrays including plano-convex lenses wherein some lenses in the second array include a first and a second lens element, projection-type display apparatus, and optical integrator'2016 9,104,094'Illumination system including first and second lens arrays wherein some lenses in the second array include a first and a second lens element'2015 9,039,190'Projector having integrator with greater illuminance in offset direction of projection lens and modulator'2015 8,985,787'Projector'2015 8,813,361'Gas turbine blade and manufacturing method thereof'2014 8,632,313'Turbine rotor blade'2014 8,525,940'Illuminator and projector'2013 8,474,987'Projector having light amount control based on projection system F-number'2013 8,468,685'Wire forming device'2013 8,469,523'Illumination apparatus and projector having the same'2013 8,398,244'Projector'2013 8,126,175'Hearing aid device'2012 7,856,594'Related web contents synchronization and presentation system and method'2010 7,766,781'Differential'2010 7,725,487'Content synchronization system and method of similar web pages'2010 7,693,154'Transmitter and method of transmission'2010 7,621,645'Projector device'2009 7,584,185'Page re-ranking system and re-ranking program to improve search result'2009 7,570,635'Multicast network unit, multicast network system, and multicast method'2009 7,547,188'Ni-based alloy member, method of producing the alloy member, turbine engine part, welding material, and method of producing the welding material'2009 7,528,892'Projector device'2009 7,467,199'Integrated management system utilizing e-mail for remotely monitoring/controlling over the internet'2008 D0577921'Vehicle seat'2008 7,369,191'Liquid crystal display with elastic ground contact on first side and multiple ground contacts on second side of drive circuit board'2008 7,346,042'Information distributing method, information distributing system, information distributing server, mobile communication network system and communication service providing method'2008 7,240,282'Related web contents synchronization and presentation system and method'2007 7,173,008'Lyophilized HGF preparations'2007 7,022,391'Packaging material for electronic-part case, and others'2006 6,781,988'Monitoring apparatus, monitoring system, and monitoring method'2004 6,413,183'Power transmission apparatus'2002 6,118,888'Multi-modal interface apparatus and method'2000 6,077,829'Stable pharmaceutical composition of BDNF'2000 5,983,950'Hose structure and method of manufacturing the same'1999 5,878,274'Intelligent multi modal communications apparatus utilizing predetermined rules to choose optimal combinations of input and output formats'1999 5,712,357'Method for metathetically preparing sulphur containing polymers or organic compounds'1998 5,704,803'Battery pack and the method of its manufacture'1998 5,321,822'Information processing system with addressing exception'1994 5,313,601'Request control apparatus'1994 5,297,266'Apparatus and method for controlling memory requests in an information processor'1994 5,194,839'Electromagnetic relay assembly with test actuator'1993 5,167,502'Method for an endosseous implant having mesh pore structure'1992 5,146,488'Multi-media response control system'1992 4,964,801'Endosseous implant having polycapillary structure'1990 4,957,819'Frameless and coreless porous endosseous implant'1990 4,864,004'Solid-state polymerization of acetylene'1989 4,842,517'Endosseous implant having mesh pore structure'1989 4,588,025'Aluminum heat exchanger provided with fins having hydrophilic coating'1986 4,490,585'Hearing aid'1984 4,247,190'Lens assembly coupling device for camera system'1981 4,240,699'Zoom lens having extended focusing range'1980 4,230,403'Mounting for interchangeable camera lens assembly with diaphragm means'1980 4,104,649'Adaptor for providing a digital signal indicating the full open F number of an interchangeable photo-taking lens in a single lens reflex camera system'1978 4,094,586'Compact zoom lens'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1981Patents assigned to CANON KK (5)· patent assignee history

1978–2013Based in Tokyo, JP· patent location history

1978–2010Based in Kawasaki, JP· patent location history

1989–1992Patents assigned to KAWAHARA HARUYUKI (4)· patent assignee history

1990–2017Based in Kanagawa, JP· patent location history

1992–2010Patents assigned to FUJITSU LTD (5)· patent assignee history

2009–2014Based in Hitachi, JP· patent location history

2012–2017Patents assigned to TANAKA KATSUMI (12)· patent assignee history

2013–2016Patents assigned to SEIKO EPSON CORP (7)· patent assignee history

2013–2016Based in Matsumoto, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TANAKA KATSUMIself	12	2012–2017
SEIKO EPSON CORP	7	2013–2016
CANON KK	5	1978–1981
FUJITSU LTD	5	1992–2010
KAWAHARA HARUYUKI	4	1989–1992

Locations

Location	Patents	Span
Tokyo, JP	12	1978–2013
Matsumoto, JP	8	2013–2016
Kawasaki, JP	5	1978–2010
Kanagawa, JP	3	1990–2017
Hitachi, JP	3	2009–2014