Inventor
OTO MASAYUKI
JP16 patents
⚠️ This page may combine multiple inventors who share the name “OTO MASAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EPSON TOYOCOM CORP
7 patentsUS7936508B2May 3, 2011
Laminated half-wave plate, polarizing converter, polarized light illumination device and light pickup device
EPSON TOYOCOM CORP7 citations83
US7995276B2Aug 9, 2011
Laminated half-wave plate, polarizing converter, polarized light illumination device and light pickup device
EPSON TOYOCOM CORP5 citations72
US8000208B2Aug 16, 2011
Laminated wave plate and optical pickup device using the same
EPSON TOYOCOM CORP3 citations61
US7986608B2Jul 26, 2011
Laminated wave plate and optical pickup device using the same
EPSON TOYOCOM CORP6 citations61
US7894321B2Feb 22, 2011
Laminated wave plate and optical pickup using the same
EPSON TOYOCOM CORP5 citations61
US7855834B2Dec 21, 2010
Multilayered phase difference plate and projector
EPSON TOYOCOM CORP3 citations61
US7705960B2Apr 27, 2010
Dust-proof glass, and electro-optic device and projection type image display device using the same
EPSON TOYOCOM CORP4 citations61
SEIKO EPSON CORP
5 patentsUS8031401B2Oct 4, 2011
Laminated half-wave plate, polarizing converter, polarized light illumination device and light pickup device
SEIKO EPSON CORP9 citations83
US12294352B2May 6, 2025
Structure, physical quantity sensor, inertial sensor, and method for manufacturing structure
SEIKO EPSON CORP0 citations51
US9998093B2Jun 12, 2018
Resonator device, electronic apparatus, and moving object
SEIKO EPSON CORP0 citations48
US10526197B2Jan 7, 2020
Substrate for sensor, physical quantity detection sensor, acceleration sensor, electronic apparatus, vehicle, and method of manufacturing substrate for sensor
SEIKO EPSON CORP0 citations40
US10215867B2Feb 26, 2019
Vibration analyzing system, vibration analyzing apparatus, and vibration analyzing method
SEIKO EPSON CORP0 citations40
OTO MASAYUKI
4 patentsUS8107351B2Jan 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