Inventor
NAGAWA MICHIFUMI
JP14 patents
⚠️ This page may combine multiple inventors who share the name “NAGAWA MICHIFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
12 patentsUS7342259B2Mar 11, 2008
Optical element
SEIKO EPSON CORP4 citations62
US11947249B2Apr 2, 2024
Light emitting apparatus, method for manufacturing light emitting apparatus, and projector
SEIKO EPSON CORP0 citations61
US11158993B2Oct 26, 2021
Light-emitting device, method for manufacturing the same, and projector
SEIKO EPSON CORP1 citations61
US11177316B2Nov 16, 2021
Method of manufacturing light emitting device, light emitting device, and projector
SEIKO EPSON CORP0 citations60
US9423678B2Aug 23, 2016
Light emitting device, and super luminescent diode
SEIKO EPSON CORP1 citations51
US7312476B2Dec 25, 2007
Optical element and its manufacturing method
SEIKO EPSON CORP1 citations51
US8629460B2Jan 14, 2014
Light-emitting device having a gain region and a reflector
SEIKO EPSON CORP0 citations50
US8368086B2Feb 5, 2013
Light-emitting device having a gain region and a reflector
SEIKO EPSON CORP0 citations50
US7433378B2Oct 7, 2008
Optical element and method for manufacturing the same
SEIKO EPSON CORP1 citations50
US11670911B2Jun 6, 2023
Light emitting device and method of manufacturing same, and projector
SEIKO EPSON CORP0 citations49
US7312475B2Dec 25, 2007
Optical element and its manufacturing method
SEIKO EPSON CORP0 citations49
US9773939B2Sep 26, 2017
Light emitting device and projector
SEIKO EPSON CORP0 citations40