Inventor
MATSUBARA TAKAYUKI
JP16 patents
⚠️ This page may combine multiple inventors who share the name “MATSUBARA TAKAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
12 patentsUS9377675B2Jun 28, 2016
Light source device and projector
SEIKO EPSON CORP7 citations83
US9348206B2May 24, 2016
Light source apparatus and projector having a light combiner with a polarization separation film
SEIKO EPSON CORP7 citations83
US8998421B2Apr 7, 2015
Projector having polarization conversion
SEIKO EPSON CORP14 citations83
US8007141B2Aug 30, 2011
Diffraction optical element, lighting device, and projector
SEIKO EPSON CORP9 citations83
US7946708B2May 24, 2011
Display device that projects a virtual image display
SEIKO EPSON CORP18 citations83
US10175566B2Jan 8, 2019
Light source device, illumination device, and projector
SEIKO EPSON CORP5 citations72
US9661285B2May 23, 2017
Projector with multiple types of light sources
SEIKO EPSON CORP4 citations72
US9563109B2Feb 7, 2017
Light source device with wavelength conversion element and projector including the same
SEIKO EPSON CORP2 citations72
US7758192B2Jul 20, 2010
Lighting device and projector
SEIKO EPSON CORP6 citations61
US10474023B2Nov 12, 2019
Light source apparatus, illuminator, and projector
SEIKO EPSON CORP0 citations41
US10108077B2Oct 23, 2018
Light source apparatus and projector
SEIKO EPSON CORP0 citations38
US10488745B2Nov 26, 2019
Light source device, illumination device, and projector
SEIKO EPSON CORP0 citations33