Inventor
KAYANUMA YASUAKI
JP14 patents
⚠️ This page may combine multiple inventors who share the name “KAYANUMA YASUAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CITIZEN ELECTRONICS
8 patentsUS7932890B2Apr 26, 2011
Lightguide plate and electronic device
CITIZEN ELECTRONICS60 citations96
US7019374B2Mar 28, 2006
Small-sized image pick up module
CITIZEN ELECTRONICS21 citations92
USD786808SMay 16, 2017
Light-emitting diode
CITIZEN ELECTRONICS6 citations83
USD807837SJan 16, 2018
Light-emitting diode
CITIZEN ELECTRONICS2 citations72
USD807838SJan 16, 2018
Light-emitting diode
CITIZEN ELECTRONICS1 citations62
USD803170SNov 21, 2017
Light-emitting diode
CITIZEN ELECTRONICS1 citations62
US6899469B2May 31, 2005
Bidirectional optical transmission device
CITIZEN ELECTRONICS3 citations62
USD995455SAug 15, 2023
Light emitting diode
CITIZEN ELECTRONICS0 citations60
KAYANUMA YASUAKI
4 patentsUS8851713B2Oct 7, 2014
Lens member and optical unit using said lens member
KAYANUMA YASUAKI7 citations82
US8517571B2Aug 27, 2013
Lens member and optical unit including the same
KAYANUMA YASUAKI6 citations71
US8213762B2Jul 3, 2012
Lightguide plate and lightguide plate manufacturing method
KAYANUMA YASUAKI3 citations61
US8475011B2Jul 2, 2013
Lens member and optical unit using said lens member
KAYANUMA YASUAKI1 citations50