Inventor

Sergey Belyaev

Inventor
Daejeon, KR

Overview

24→
Patents
1993–2020
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 therein43%
G02BOptical elements, systems or apparatus17%
A47JKitchen equipment11%
C09KMaterials for miscellaneous applications, not provided for elsewhere7%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form4%
G02CSpectacles4%
H04NPictorial communication, e.g. television4%
A45BWalking sticks2%
A45CPurses2%
C23GCleaning or de-greasing of metallic material by chemical methods other than electrolysis2%
PatentTitleYear
10,564,337Optical film202010,018,760Optical film20189,709,827'Polarizing glasses for observing a stereoscopic image'20179,316,769'Optical film'20168,462,150'Stereoscopic image display device'20138,355,103'TN-LCD and polarizer plate comprising an integrated O film having a negative biaxial film and a positive O film for improving the viewing angle'20138,237,898'Bi-axial retardation compensation film and vertically aligned liquid crystal display using the same'20128,107,042'Integrated O film comprising a negative biaxial film and a positive O film for improving the viewing angle of a TN-LCD'20127,956,965'Vertically aligned liquid crystal display having a wide viewing compensation film using +A-film and +C-film'20117,916,253'In-plane switching liquid crystal display including viewing angle compensation film using +A-plate'20117,916,252'In-plane switching liquid crystal display including viewing angle compensation film using +A-plate'20117,847,898'In-plane switching liquid crystal display including viewing angle compensation film using +A-plate'20107,847,896'In-plane switching liquid crystal display including viewing angle compensation film using +A-plate'20107,782,428'Vertically aligned LCD using a bi-axial retardation compensation film'20107,738,063'Vertically aligned liquid crystal display using polynorbornene based polymer film'20107,605,895'IPS mode liquid crystal display using two sheets of biaxial negative retardation film and a plate'20097,474,370'Vertically aligned liquid crystal display'20097,420,636'In-plane switching liquid crystal display including viewing angle compensation film using +A-plate'20087,397,524'Vertically aligned liquid crystal display having positive compensation film'20087,330,232'Vertically aligned liquid crystal display having negative compensation film'20087,326,364'Complex light-compensation C plate with two or more of C plates different in dispersion ratio value and liquid crystal display using the same'20087,283,188'Compensator comprising a positive and negative birefringent retardation film'20077,283,189'In-plane switching liquid crystal display comprising compensation film for angular field of view using negative biaxial retardation film and (+) C-plate'20075,235,443'Polarizer device'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993Based in Moscow, RU· patent location history
2007–2020Patents assigned to LG CHEMICAL LTD (23)· patent assignee history
2007–2020Based in Daejeon, KR· patent location history
2007Based in Dolgoprudniy, RU· patent location history
2009–2010Based in Yuseong-gu, KR· patent location history
2009Based in Dajeon, KR· patent location history
2012–2017Patents assigned to BELYAEV SERGEY (6)· patent assignee history
2012–2013Patents assigned to JEON BYOUNG-KUN (3)· patent assignee history
2013–2017Patents assigned to PARK MOON SOO (3)· patent assignee history
2013–2017Patents assigned to JEON BYOUNG KUN (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LG CHEMICAL LTD232007–2020
BELYAEV SERGEYself62012–2017
JEON BYOUNG-KUN32012–2013
PARK MOON SOO32013–2017
JEON BYOUNG KUN22013–2017
Locations
LocationPatentsSpan
Daejeon, KR192007–2020
Yuseong-gu, KR22009–2010
Dajeon, KR12009
Dolgoprudniy, RU12007
Moscow, RU11993