Inventor

SUMIYOSHI KEN

JP114 patents

⚠️ This page may combine multiple inventors who share the name “SUMIYOSHI KEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SUMIYOSHI KEN

NEC CORP

Liquid crystal display and method of manufacturing the same and method of driving the same

Liquid crystal display cell

Liquid crystal display and method of manufacturing the same and method of driving the same

Liquid crystal display with optical negative uni-axial compensation layer

Liquid crystal display with improved viewing angle dependence

Liquid crystal display apparatus preventing image on screen from influences of disclination line

Liquid crystal display elements with opposite twist domains aligned in the same direction on one substrate

Light source device and method for manufacturing the same, display device and method for manufacturing the same, and method for driving display device

Light source, display device, portable terminal device, and ray direction switching element

Liquid crystal display with continuous grayscale, wide viewing angle, and exceptional shock resistance

Reflective liquid crystal display with optical compensation plates

Method for forming finely-structured parts, finely-structured parts formed thereby, and product using such finely-structured part

Liquid crystal display and method of manufacturing the same and method of driving the same

Liquid crystal display unit and method for driving the same

Liquid crystal display cell

Liquid crystal display cell

Liquid crystal display apparatus and method of driving the same

Liquid crystal display device having switchable reflective layer

Orientation division type liquid crystal display, fabrication method thereof and image display method

Light source, display device, portable terminal device, and ray direction switching element

Method for forming finely-structured parts, finely-structured parts formed thereby, and product using such finely-structured part

Planar light source, display device, portable terminal device, and ray direction switching element

Liquid crystal display and method of manufacturing the same and method of driving the same

Planar light source, display device, portable terminal device, and ray direction switching element

Method for forming finely-structured parts, finely-structured parts formed thereby, and product using such finely-structured part

LCD device and LCD projector

Holographic polymer dispersed liquid crystal structure having at least two phase gratings whose reflecting surfaces are not parallel to each other, color display unit using the same and process of fabricating thereof

Liquid crystal display apparatus with optical compensation plates

Liquid crystal panel capable of indicating black without dependency of visual angle

Optical member, light source apparatus, display apparatus, and terminal apparatus

Smectic liquid crystal material and liquid crystal optical element

Liquid crystal display apparatus

NEC LCD TECHNOLOGIES LTD

Beam direction control element and method of manufacturing same

Transflective liquid crystal display device

Optical element, and illuminating optical device, display device and electronic device using the same

Display device, terminal device, and display panel

Circular polarizer, liquid crystal display device, and terminal device

Method for manufacturing optical element

NLT TECHNOLOGIES LTD

Lateral electric field liquid crystal display device and manufacturing method thereof

Liquid crystal display device comprising periodically changed permutations of at least two types of electrode-pattern pairs

Beam direction control element and method of manufacturing same

MIMURA KOJI

Method for manufacturing optical element

Image display device, electronic apparatus using the same, display output control method for image display device, and output control program thereof

KURARAY CO

Light-condensing film, liquid-crystal panel and backlight as well as manufacturing process for light-condensing film

NIIOKA SHINYA

Optical member, light source apparatus, display apparatus, and terminal apparatus

SUMIYOSHI KEN

Display device with lens array or parallax barrier that switches between narrow view mode and wide view mode

FUJISAWA KATSUYA

Light-condensing film, liquid-crystal panel and backlight as well as manufacturing process for light-condensing film

TIANMA JAPAN LTD

Light ray direction control element, manufacturing method for light ray direction control element, and imaging element

NEC LCD TECHNOLOGIES

Orientation division type liquid crystal display, fabrication method thereof and image display method

MORI KENICHI

Liquid crystal display device