Inventor
YANAGITA HIROAKI
JP12 patents
⚠️ This page may combine multiple inventors who share the name “YANAGITA HIROAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOYA CORP
9 patentsUS7880377B2Feb 1, 2011
Quantum dot-dispersed light emitting device, and manufacturing method thereof
HOYA CORP62 citations94
US7015164B2Mar 21, 2006
Optical glass, glass material for press molding, optical element, and method of manufacturing same
HOYA CORP8 citations72
US5246892ASep 21, 1993
Faraday rotation glass
HOYA CORP7 citations72
US5856882AJan 5, 1999
Optical fibers and optical fiber amplifiers
HOYA CORP5 citations62
US5764661AJun 9, 1998
Laser glasses and laser glass fibers
HOYA CORP5 citations62
US7897976B2Mar 1, 2011
Light-emitting device of field-effect transistor type
HOYA CORP4 citations61
US5070506ADec 3, 1991
Halide laser glass and laser device utilizing the glass
HOYA CORP5 citations57
US7612432B2Nov 3, 2009
P-type ZnS based semiconductor material having a low resistance due to its high copper content
HOYA CORP0 citations51
US7355213B2Apr 8, 2008
Electrode material and semiconductor element
HOYA CORP0 citations51