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Inventor

Masanao Yamamoto

Inventor
Mobara, JP

Overview

21→
Patents
1986–2019
Patent span
Electricity
Primary field (CPC H)

Patents· 21 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 therein22%
H01JElectric discharge tubes or discharge lamps11%
H10DInorganic electric semiconductor devices9%
H01LSemiconductor devices7%
H10HInorganic light-emitting semiconductor devices having potential barriers7%
B21BRolling of metal4%
C21DModifying the physical structure of ferrous metals4%
G03GElectrography4%
G05BControl or regulating systems in general4%
G09GArrangements or circuits for control of indicating devices using static means to present variable information4%
PatentTitleYear
10,310,339Liquid crystal display device and method for manufacturing the same20199,606,389'Liquid crystal display device and method for manufacturing the same'20179,366,919'Liquid crystal display device and method for manufacturing the same'20169,304,362'Liquid crystal display device'20169,229,285'Method of manufacturing a display device'20169,035,310'Display device'20158,928,847'Liquid crystal display device'20158,673,545'Method for manufacturing liquid crystal display device'20147,479,451'Display device manufacturing method preventing diffusion of an aluminum element into a polysilicon layer in a heating step'20097,009,205'Image display device using transistors each having a polycrystalline semiconductor layer'20066,933,525'Display device and manufacturing method of the same'20056,628,261'Liquid crystal display panel drive circuit and liquid crystal display apparatus having two sample/hold circuits coupled to each signal line'20035,724,489'Apparatus for and method of generating robot teaching data on offline basis'19985,056,028'Production management system with simultaneous multiple data transmission'19915,021,705'Method of fabricating an image pick-up tube and target section used therewith'19914,883,562'Method of making a photosensor'19894,866,332'Target of image pickup tube'19894,785,646'Method of cooling hot-rolled steel plate'19884,717,854'Image pick-up tube target'19884,596,615'Method of cooling hot steel plates'19864,587,456'Image pickup tube target'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–2003Patents assigned to HITACHI LTD (6)· patent assignee history
1986–2019Based in Mobara, JP· patent location history
1986–1988Based in Kimitsu, JP· patent location history
1988–1991Patents assigned to JAPAN BROADCASTING CORP (4)· patent assignee history
1991–1998Based in Sayama, JP· patent location history
2003–2006Patents assigned to HITACHI DEVICE ENG (2)· patent assignee history
2005–2009Patents assigned to HITACHI DISPLAYS LTD (2)· patent assignee history
2015–2019Patents assigned to JAPAN DISPLAY INC (7)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
JAPAN DISPLAY INC72015–2019
HITACHI LTD61986–2003
JAPAN BROADCASTING CORP41988–1991
HITACHI DEVICE ENG22003–2006
HITACHI DISPLAYS LTD22005–2009
Locations
LocationPatentsSpan
Mobara, JP171986–2019
Sayama, JP21991–1998
Kimitsu, JP21986–1988