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Inventor

Kazufumi Watabe

Inventor
Tokyo, JP

Overview

27→
Patents
2001–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 27 as inventor

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

H01Lprimary
H01LSemiconductor devices21%
H10KOrganic electric solid-state devices19%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein9%
H10DInorganic electric semiconductor devices9%
G06FElectric digital data processing5%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution5%
H05BElectric heating4%
G02BOptical elements, systems or apparatus3%
B03BSeparating solid materials using liquids or using pneumatic tables or jigs2%
C05FOrganic fertilisers not covered by subclasses c05b, c05c, e.g. fertilisers from waste or refuse2%
PatentTitleYear
10,833,134Display device202010,824,211Semiconductor device202010,573,666Display device202010,541,278Display device202010,529,925Display device202010,488,569Display device201910,403,652Semiconductor circuit substrate and display device using the same201910,396,304Organic EL display device and liquid crystal display device201910,319,943Display device201910,276,812Display device and manufacturing method thereof201910,199,591Display device201910,115,740Semiconductor device201810,115,774Display device and method of manufacturing the same201810,068,959Manufacturing method of display device and display device201810,026,754Display device20189,997,737Display device20189,978,989Method of fabricating display device ring shape rib layer20189,960,317Method for manufacturing display device20189,865,817'Display device and method of manufacturing the same'20189,780,307'Method of manufacturing a display device'20179,680,127'Display device and manufacturing method thereof'20179,250,437'Display device'20169,170,360'Display device'20157,751,007'Display device and manufacturing method thereof'20107,262,823'Display device and manufacturing method thereof'20076,655,530'Method of recycling household waste'20036,279,748'Process and System for the recycling of household waste'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2003Patents assigned to NEC CORP (2)· patent assignee history
2001–2020Based in Tokyo, JP· patent location history
2007–2010Patents assigned to HITACHI DISPLAYS LTD (2)· patent assignee history
2007–2016Based in Yotsukaido, JP· patent location history
2015–2020Patents assigned to JAPAN DISPLAY INC (22)· patent assignee history
2016Patents assigned to ANDO NAOHISA (1)· patent assignee history
2017–2019Based in Minato-ku, JP· patent location history
2018Patents assigned to JAPAN DISPALY INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
JAPAN DISPLAY INC222015–2020
HITACHI DISPLAYS LTD22007–2010
NEC CORP22001–2003
ANDO NAOHISA12016
JAPAN DISPALY INC12018
Locations
LocationPatentsSpan
Tokyo, JP192001–2020
Minato-ku, JP42017–2019
Yotsukaido, JP42007–2016