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Inventor

Toshiyuki Iida

Inventor
Ibaraki, JP

Overview

31→
Patents
1980–2020
Patent span
Physics
Primary field (CPC G)

Patents· 31 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus19%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein17%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds8%
Y10TTechnical subjects covered by former us classification8%
C08JWorking-up7%
C09KMaterials for miscellaneous applications, not provided for elsewhere7%
C08LCompositions of macromolecular compounds4%
H04SStereophonic systems4%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form3%
H01LSemiconductor devices3%
PatentTitleYear
10,816,708Polarizing plate having optical compensation layer, and organic EL panel using same202010,437,095Continuous optical film laminate, roll of continuous optical film laminate and IPS liquid crystal display device20199,927,656'Liquid crystal panel and polarizing laminate for use in the liquid crystal panel'20189,618,795'Liquid crystal panel and liquid crystal display'20179,581,747'Method for producing optical film, optical film, laminated polarizing plate, and image display'20179,400,345'Circular polarizing plate and organic electroluminescence panel'20169,389,352'Retardation film and production method therefor, polarizing plate, and display device'20169,174,368'Retardation film, method of producing the same and image display device'20158,911,837'Retardation film, optical laminated body, liquid crystal panel, and liquid crystal display'20148,911,869'Transparent substrate'20148,900,656'Method for producing optical film, optical film, and image display'20148,778,486'Polycarbonate resin and transparent film formed therefrom'20148,741,399'Birefringent film, polarizing plate, image display, and aromatic polyester'20148,722,842'Optical film and image display device'20148,593,599'Liquid crystal panel and liquid crystal display'20138,568,893'Birefringent film and polarizer'20138,518,552'Optical film and method for production thereof'20138,445,079'Optical film, image display device, diethynylfluorene, and polymer thereof'20138,309,186'Optical film, image display device, diethynylfluorene, and polymer thereof'20128,218,937'Optical film, image display device, diethynylfluorene, and polymer thereof'20127,999,059'Optical film and method for production thereof'20117,944,531'Liquid crystal panel and liquid crystal display apparatus'20117,643,117'Liquid crystal panel and liquid crystal display apparatus'20107,643,118'Liquid crystal panel and liquid crystal display device'20107,630,038'Liquid crystal panel and liquid crystal display apparatus'20097,069,252'Electronic transaction server, client for seller, client for buyer and electronic transaction method'20066,122,382'System for processing audio surround signal'20005,844,993'Surround signal processing apparatus'19985,761,315'Surround signal processing apparatus'19985,579,396'Surround signal processing apparatus'19964,228,355'Method for shortening response time of logarithmic measuring apparatus'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2000Based in Kawasaki, JP· patent location history
2006Based in Tokyo, JP· patent location history
2009–2014Based in Osaka, JP· patent location history
2010–2020Patents assigned to NITTO DENKO CORP (22)· patent assignee history
2010–2020Based in Ibaraki, JP· patent location history
2012–2017Patents assigned to IIDA TOSHIYUKI (14)· patent assignee history
2012–2014Patents assigned to KUROGI MIYUKI (8)· patent assignee history
2012–2014Patents assigned to OHMORI YUTAKA (8)· patent assignee history
2013–2014Patents assigned to HIRAYAMA TOMOYUKI (4)· patent assignee history
2018Based in Fukuyama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NITTO DENKO CORP222010–2020
IIDA TOSHIYUKIself142012–2017
KUROGI MIYUKI82012–2014
OHMORI YUTAKA82012–2014
HIRAYAMA TOMOYUKI42013–2014
Locations
LocationPatentsSpan
Ibaraki, JP202010–2020
Osaka, JP42009–2014
Kawasaki, JP41996–2000
Fukuyama, JP12018
Tokyo, JP12006