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Inventor

Ikuo Kawamoto

Inventor
Ibaraki, JP

Overview

25→
Patents
1991–2019
Patent span
Physics
Primary field (CPC G)

Patents· 25 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 therein29%
G02BOptical elements, systems or apparatus26%
C09KMaterials for miscellaneous applications, not provided for elsewhere12%
G06FElectric digital data processing5%
Y10TTechnical subjects covered by former us classification5%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form3%
A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for2%
A23VIndexing scheme relating to foods, foodstuffs or non-alcoholic beverages and lactic or propionic acid bacteria used in foodstuffs or food preparation2%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material2%
B29DProducing particular articles from plastics or from substances in a plastic state2%
PatentTitleYear
10,474,292Information reception system, recording medium, and information input method201910,310,681Translucent conductive film201910,082,917Touch sensor20189,622,501'Liquid seasoning'20178,668,801'Method of producing a laminated optical film'20148,154,694'Laminated optical film, and liquid crystal panel and liquid crystal display apparatus using the laminated optical film'20127,906,184'Optical film, method of producing the same, and image display apparatus using the optical film'20117,852,561'Optical compensation layer-attached polarizing plate, liquid crystal panel, liquid crystal display, image display, and method for producing optical compensation layer-attached polarizing plate'20107,704,569'Method for producing film with twisted tilted alignment, film with twisted tilted alignment, and image display using same'20107,604,847'Method for manufacturing liquid crystal alignment film, liquid crystal alignment film, optical film and image viewing display'20097,557,883'Polarizing plate with optical compensation layer, method of producing the same, and liquid crystal panel, liquid crystal display, and image display including the same'20097,468,777'Method of producing elliptically polarizing plate and image display using the elliptically polarizing plate'20087,388,637'Method for producing film with tilted alignment, film with tilted alignment, and image display using same'20087,135,211'Retardation plate, process for producing the same, and optical film'20067,106,397'Liquid crystal display device having a polarization member that includes a cholesteric liquid crystal layer and solid optical rotatory film'20067,011,775'Method for manufacturing liquid crystal orientation film, liquid crystal orientation film, optical film, and visual display'20066,958,797'Optical film having low chromaticity variation and quarter wavelength plate, and liquid crystal display using the same'20056,903,788'Optical film and a liquid crystal display using the same'20056,888,599'Optical film, and lighting device and image viewing display using the same'20056,882,475'Polarizing member, illuminator and liquid-crystal display device'20056,809,782'Diffusing polarizing member and liquid crystal display'20046,803,985'Process for producing optical element, optical element, optical films using optical element, and illuminator and liquid crystal display each using optical element or optical films'20046,654,081'Optic element, illumination device and/or liquid-crystal display device'20036,333,633'Method for inspecting a flexible printed circuit'20014,997,124'Vacuum-insulated, double-walled metal structure and method for its production'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Based in Bankok, TH· patent location history
2001–2019Patents assigned to NITTO DENKO CORP (22)· patent assignee history
2001–2011Based in Osaka, JP· patent location history
2003–2019Based in Ibaraki, JP· patent location history
2012–2014Patents assigned to KAWAMOTO IKUO (2)· patent assignee history
2012Patents assigned to BITOU MASATO (1)· patent assignee history
2012Patents assigned to KOZONOI NOBUYUKI (1)· patent assignee history
2017Patents assigned to HANAMARUKI FOODS INC (1)· patent assignee history
2017Based in Kumagaya, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NITTO DENKO CORP222001–2019
KAWAMOTO IKUOself22012–2014
BITOU MASATO12012
HANAMARUKI FOODS INC12017
KOZONOI NOBUYUKI12012
Locations
LocationPatentsSpan
Ibaraki, JP202003–2019
Osaka, JP32001–2011
Kumagaya, JP12017
Bankok, TH11991