Inventor

HAYASHI YASUKO

JP15 patents

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

MITSUBISHI RAYON CO

12 patents

US7004610B2Feb 28, 2006

Resin sheet, process and apparatus for producing same, surface light source element and laminate

MITSUBISHI RAYON CO43 citations92

US6099135AAug 8, 2000

Surface light source element and liquid crystal display device, sign device and traffic control sign device using same

MITSUBISHI RAYON CO21 citations92

US7520652B2Apr 21, 2009

Area light source

MITSUBISHI RAYON CO17 citations84

US6332691B2Dec 25, 2001

Surface light source device, and liquid crystal display device, sign display apparatus and traffic sign display apparatus using the surface light source device

MITSUBISHI RAYON CO8 citations73

US6244719B1Jun 12, 2001

Surface light source device and liquid crystal display device sign display apparatus and traffic sign display apparatus using the surface light source device

MITSUBISHI RAYON CO11 citations73

CANON KK

3 patents

US5834145ANov 10, 1998

Electrophotographic photosensitve member and image forming apparatus

CANON KK33 citations92

US5573880ANov 12, 1996

Carrier for electrophotography, process for its production, two-component type developer, and image forming method

CANON KK36 citations92

US5633702AMay 27, 1997

Transfer material carrying member and image-forming apparatus comprising such transfer material carrying member

CANON KK3 citations63

HAYASHI YASUKO

MITSUBISHI RAYON CO

Light source device

Planar light source system and light deflecting device therefor

Planar light source device and liquid crystal display apparatus

Area light source and lightguide used therefore