Inventor
TAKEUCHI MICHIKO
JP7 patents
⚠️ This page may combine multiple inventors who share the name “TAKEUCHI MICHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DAINIPPON PRINTING CO LTD
6 patentsUS5944405AAug 31, 1999
Flat light source using light-diffusing sheet with projections thereon
DAINIPPON PRINTING CO LTD162 citations97
US5598280AJan 28, 1997
Film lens and a surface light source using the same
DAINIPPON PRINTING CO LTD335 citations97
US5592332AJan 7, 1997
Renticular lens, surface light source, and liquid crystal display apparatus
DAINIPPON PRINTING CO LTD272 citations97
US5808784ASep 15, 1998
Lens array sheet surface light source, and transmission type display device
DAINIPPON PRINTING CO LTD218 citations96
US5714218AFeb 3, 1998
Ionizing radiation-curable resin composition for optical article, optical article, and surface light source
DAINIPPON PRINTING CO LTD108 citations95
US5841572ANov 24, 1998
Lens array sheet, surface light source, and transmission type display device
DAINIPPON PRINTING CO LTD25 citations90