Inventor
UMEYA MASANORI
JP30 patents
⚠️ This page may combine multiple inventors who share the name “UMEYA MASANORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DAINIPPON PRINTING CO LTD
27 patentsUS7161737B2Jan 9, 2007
Projection screen and projection system comprising the same
DAINIPPON PRINTING CO LTD34 citations92
US7057813B2Jun 6, 2006
Projection screen and projection system comprising the same
DAINIPPON PRINTING CO LTD11 citations82
US6906764B2Jun 14, 2005
Reflective cholesteric filter
DAINIPPON PRINTING CO LTD20 citations77
US7158297B2Jan 2, 2007
Projection screen and projection system comprising the same
DAINIPPON PRINTING CO LTD7 citations73
US7142360B2Nov 28, 2006
Projection screen and projection system containing same
DAINIPPON PRINTING CO LTD9 citations73
US6693686B2Feb 17, 2004
Polarizing element and optical display apparatus including the same
DAINIPPON PRINTING CO LTD7 citations73
US10634986B2Apr 28, 2020
Screen, display apparatus, screen use method, particle, particle layer, particle sheet, and light control sheet
DAINIPPON PRINTING CO LTD2 citations72
US7706037B2Apr 27, 2010
Fabrication process for cholesteric liquid crystal media having a volume hologram
DAINIPPON PRINTING CO LTD2 citations63
US7545545B2Jun 9, 2009
Fabrication process for cholesteric liquid crystal media having a volume hologram
DAINIPPON PRINTING CO LTD2 citations63
US6977099B2Dec 20, 2005
Liquid crystalline transfer sheet and process of producing the same
DAINIPPON PRINTING CO LTD4 citations63
US7787080B2Aug 31, 2010
Reflecting element and projection system comprising the same
DAINIPPON PRINTING CO LTD3 citations62
US7719762B2May 18, 2010
Transmitting-reflecting projection screen, and projection system comprising the same
DAINIPPON PRINTING CO LTD6 citations62
US7583341B2Sep 1, 2009
Anisotropic optical element
DAINIPPON PRINTING CO LTD3 citations62
US7365906B2Apr 29, 2008
Projection screen and projection system containing same
DAINIPPON PRINTING CO LTD4 citations62
US7274427B2Sep 25, 2007
Method of producing optical element by patterning liquid crystal films
DAINIPPON PRINTING CO LTD2 citations62
US7193777B2Mar 20, 2007
Projection screen and projection system comprising the same
DAINIPPON PRINTING CO LTD4 citations62
US7158299B2Jan 2, 2007
Projection screen and projection system comprising the same
DAINIPPON PRINTING CO LTD6 citations62
US7123409B2Oct 17, 2006
Projection screen and projection system comprising the same
DAINIPPON PRINTING CO LTD5 citations62
US7075598B2Jul 11, 2006
Circularly polarizing element having multiple low reflectance cholesteric liquid crystal layers and process for producing the same
DAINIPPON PRINTING CO LTD5 citations62
US7002662B2Feb 21, 2006
Method of producing optical element by patterning liquid crystal films
DAINIPPON PRINTING CO LTD2 citations62
US6816215B2Nov 9, 2004
Circular polarization controlling optical element and method of producing the same
DAINIPPON PRINTING CO LTD4 citations62
US10955736B2Mar 23, 2021
Screen, display apparatus, screen use method, particle, particle layer, particle sheet, and light control sheet
DAINIPPON PRINTING CO LTD0 citations61
US7118795B2Oct 10, 2006
Process of producing optical element and optical element
DAINIPPON PRINTING CO LTD2 citations57
US7123410B2Oct 17, 2006
Projection screen and projection system comprising the same
DAINIPPON PRINTING CO LTD1 citations52
US7909364B2Mar 22, 2011
Indicator for indicating authenticity
DAINIPPON PRINTING CO LTD0 citations51
US7595099B2Sep 29, 2009
Method of producing anisotropic optical element
DAINIPPON PRINTING CO LTD0 citations41
US7206130B2Apr 17, 2007
Projection screen and projection system comprising the same
DAINIPPON PRINTING CO LTD0 citations41