Keiwa Inc.

Japan


 
Total IP 174
Total IP Rank # 7,424
IP Activity Score 3.1/5.0    185
IP Activity Rank # 3,713
Stock Symbol 42510 (tse)
ISIN JP3281610000
Market Cap. 42646228225.0  (JPY)
Industry Electronic Components
Sector Technology
Dominant Nice Class Non-metallic building materials

Patents

Trademarks

62 16
0 0
78 16
2
 
Last Patent 2024 - Light diffusion sheet, back-ligh...
First Patent 1999 - Photodiffusion sheet and backlig...
Last Trademark 2023 - KYOZIN
First Trademark 2003 - OPALUS

Industry (Nice Classification)

Latest Inventions, Goods, Services

2024 Invention Light diffusion sheet, back-light unit, liquid crystal display device, information apparatus, and...
Invention Combined light diffusion sheet, backlight unit, liquid crystal display device, and information eq...
Invention Optical sheet laminate, backlight unit, liquid crystal display device, information equipment, and...
Invention Sheet for structure. A sheet 40 for a structure comprises a functional layer 42, an intermediate ...
Invention Light diffusion sheet, backlight unit, liquid crystal display device, information apparatus, and ...
Invention Sheet for structure. A sheet 2 for a structure comprises a functional layer 4, an intermediate la...
Invention Light diffusion sheet, backlight unit, liquid crystal display device, and information apparatus. ...
Invention Sheet body. This sheet body is attached to a structure and is used for reinforcing or repairing t...
Invention Optical sheet, backlight unit, liquid crystal display apparatus, and information device. An opti...
Invention Light-diffusing sheet, backlight unit, liquid crystal display device, and information apparatus. ...
Invention Light diffusion sheet, backlight unit, liquid crystal display device, information device, laminat...
Invention Optical sheet laminate, backlight unit, liquid-crystal display device, and information appliance....
2023 Invention Edge light type backlight unit, liquid crystal display device, and information apparatus. An edge...
Invention Optical sheet, backlight unit, liquid crystal display device, and information device. When at le...
Invention Optical sheet, backlight unit, image display device, lighting device, and method for manufacturin...
Invention Light diffusion sheet, backlight unit, liquid crystal display device, and information device. A ...
G/S rubber building or construction materials, namely, rubber sheets for use in construction, namely,...
Invention Light diffusion sheet, backlight unit, liquid crystal display device, and information equipment. ...
Invention Building cladding structure, coating composition, and method for manufacturing same. A primer lay...
Invention Roof repair method. Provided are a roof repair method and a roof protection method with which a d...
Invention Sheet for structure. This sheet for a structure 2 has a functional layer 4, an intermediate layer...
G/S Plastic building materials, namely, boards; synthetic building materials, namely, synthetic roofi...
Invention Shock-absorbing flooring material. This shock-absorbing floor material comprises: a core layer; a...
G/S Wall, floor and roofing building materials of plastic, rubber, plaster, lime, cement or synthetic...
Invention Light diffusion sheet, backlight unit, liquid crystal display apparatus, information device, and ...
G/S Construction; roofing services; construction consultancy; providing information relating to cons...
G/S Construction of buildings or structures; roofing services; construction consultancy; providing in...
2022 G/S Electronic machines, apparatus and their parts, namely, light diffusion sheets sold as an integra...
G/S waterproof sheets comprised of cement and synthetic resin for use in reinforcement of water suppl...
G/S Wall, floor and roofing building materials of plastic, rubber, plaster, lime, cement or syntheti...
G/S Sheets comprised of cement and synthetic resin for use in reinforcement of water supply pipes an...
Invention Structure protection sheet and method for protecting surface of structure. The present invention ...
G/S Roofing building materials of plastic, rubber, plaster, lime, cement or synthetic materials, name...
G/S Roofing building materials of plastic, rubber, plaster, lime, cement or synthetic materials; pla...
Invention Structure protection sheet and method for using structure protection sheet. Provided is a struct...
Invention Light diffusion sheet, light diffusion sheet laminate, backlight unit, and liquid crystal display...
Invention Method for inspecting surface deformation of structure, system for inspecting surface deformation...
Invention Creasing member, creasing member attachment method, and structure protection sheet construction m...
Invention Roof repair method. Provided is a roof repair method facilitating the repair of a roof surface of...
Invention Method for protecting concrete column. Provided is a method for protecting a concrete column havi...
G/S Wall and floor building materials of plastic, rubber, plaster, lime, cement or synthetic material...
G/S Wall and floor building materials of plastic, rubber, plaster, lime, cement or synthetic materia...
2021 Invention Optical sheet, backlight unit, and liquid crystal display device. An aspect of the present inven...
Invention Protection sheet and laminate body. One aspect of the present invention is a protection sheet fo...
G/S Power distribution or control machines and apparatus; telecommunication machines and apparatus; ...
G/S Non-metal tiles for walls, floors or ceilings; non-metal partitions for buildings; non-metal wall...
G/S Plastic building materials; synthetic building materials; asphalt, and asphalt building or const...
2020 G/S optical films being protective display screen covers adapted for use with liquid crystal displays...
G/S Optical films being protective display screen covers adapted for use with liquid crystal displays...
G/S Optical films for protecting liquid crystal displays; light-guide plates and light-guide sheets ...
G/S Sheets comprised of cement and synthetic resin for use in repair, reinforcement and/or protection...
2015 G/S Electronic machines, apparatus and their parts, namely, light diffusion sheets for providing uni...
2009 G/S Solar batteries and their parts; plastic sheets and films for solar batteries; layered sheets an...
2008 G/S Laboratory apparatus and instruments, namely, laboratory experimental machines and apparatus; ai...
2007 G/S Liquid crystal displays; photographic machines and apparatus, cinematographic machines and appar...
G/S optical filters and reflectors in the nature of optical films, namely, [ protective, ] light-diff...
G/S Light diffusion sheets for providing uniform brightness of liquid crystal display backlights; el...
2005 G/S Plastics in the form of sheets and films, other than for wrapping
2003 G/S Plastic semi-worked products, namely, light diffusion sheets and reflective plastic sheets used f...