Assignee
OTO MASAYUKI
JP4 patents
Top patents by PatentIndex Score
US8107351B2Jan 31, 2012
Laminated half-wave plate, optical pickup device, polarization converter, and projection display apparatus
OTO MASAYUKI6 citations70
US8477272B2Jul 2, 2013
Quarter wave plate, optical pickup device, and reflective liquid crystal display device
OTO MASAYUKI4 citations60
US8233101B2Jul 31, 2012
Laminated wave plate, optical pickup device, polarization converter, and projection display apparatus
OTO MASAYUKI2 citations60
US8398241B2Mar 19, 2013
Half-wave plate, optical pickup device, polarization conversion element, and projection display device
OTO MASAYUKI0 citations39