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Inventor

Yuji Azuma

Inventor
Mobara, JP

Overview

24→
Patents
1993–2018
Patent span
Physics
Primary field (CPC G)

Patents· 24 as inventor

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

G02Fprimary
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein31%
H05KPrinted circuits9%
G06FElectric digital data processing7%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles6%
E02FDredging6%
H01RElectrically-conductive connections6%
H04BTransmission6%
B60LPropulsion of electrically-propelled vehicles4%
B60YIndexing scheme relating to aspects cross-cutting vehicle technology4%
G02BOptical elements, systems or apparatus4%
PatentTitleYear
10,066,358Hybrid-type working machine201810,000,908Hybrid-type working machine20189,790,662'Hybrid-type working machine'20178,718,467'Method of switching optical path, and apparatus thereof'20148,068,193'Liquid crystal display device'20118,040,464'Image display device'20117,961,268'Liquid crystal display device'20117,961,267'Image display device'20117,891,985'Display apparatus'20117,746,419'Liquid crystal display device'20107,714,955'Liquid crystal display device'20107,701,528'Liquid crystal display device'20107,648,370'Display apparatus'20107,626,654'Display device'20097,564,516'Liquid crystal display device'20097,538,833'Liquid crystal display device'20097,525,627'Display device'20097,455,530'Display apparatus'20087,295,259'Image display device'20077,234,945'Display apparatus'20077,104,257'Support structure of fuel injector'20066,961,102'Image display device'20055,357,362'Optical telephone using optical modulator'19945,259,045'Optical modulation method operable in an optical transmission path and an optical modulator using the optical modulation method'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–2014Patents assigned to NIPPON TELEGRAPH & TELEPHONE (3)· patent assignee history
1993–1994Based in Tokorozawa, JP· patent location history
2005–2011Patents assigned to HITACHI DISPLAYS LTD (13)· patent assignee history
2005–2011Based in Mobara, JP· patent location history
2009–2010Patents assigned to HITACHI DISPLAY DEVICES LTD (5)· patent assignee history
2009–2010Patents assigned to IPS ALPHA TECHNOLOGY LTD (5)· patent assignee history
2009–2011Based in Fujisawa, JP· patent location history
2014Based in Tsukuba, JP· patent location history
2017–2018Patents assigned to HITACHI CONSTRUCTION MACH CO (3)· patent assignee history
2017–2018Based in Tsuchiura, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI DISPLAYS LTD132005–2011
HITACHI DISPLAY DEVICES LTD52009–2010
IPS ALPHA TECHNOLOGY LTD52009–2010
HITACHI CONSTRUCTION MACH CO32017–2018
NIPPON TELEGRAPH & TELEPHONE31993–2014
Locations
LocationPatentsSpan
Mobara, JP102005–2011
Fujisawa, JP72009–2011
Tsuchiura, JP32017–2018
Tokorozawa, JP21993–1994
Tsukuba, JP12014