Masayuki Oto

Person

Zama-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Laminated half-wave plate, polarizing converter, polarized light il...
- Patent number 8,031,401
- Issue date Oct 4, 2011
- Epson Toyocom Corporation
- Masayuki Oto
- G02 - OPTICS
Information Patent Grant
Laminated wave plate and optical pickup device using the same
- Patent number 8,000,208
- Issue date Aug 16, 2011
- Epson Toyocom Corporation
- Masayuki Oto
- G11 - INFORMATION STORAGE
Information Patent Grant
Laminated half-wave plate, polarizing converter, polarized light il...
- Patent number 7,995,276
- Issue date Aug 9, 2011
- Epson Toyocom Corporation
- Masayuki Oto
- G02 - OPTICS
Information Patent Grant
Laminated wave plate and optical pickup device using the same
- Patent number 7,986,608
- Issue date Jul 26, 2011
- Epson Toyocom Corporation
- Masayuki Oto
- G11 - INFORMATION STORAGE
Information Patent Grant
Laminated half-wave plate, polarizing converter, polarized light il...
- Patent number 7,936,508
- Issue date May 3, 2011
- Epson Toyocom Corporation
- Masayuki Oto
- G02 - OPTICS
Information Patent Grant
Laminated wave plate and optical pickup using the same
- Patent number 7,894,321
- Issue date Feb 22, 2011
- Epson Toyocom Corporation
- Masayuki Oto
- G11 - INFORMATION STORAGE
Information Patent Grant
Multilayered phase difference plate and projector
- Patent number 7,855,834
- Issue date Dec 21, 2010
- Epson Toyocom Corporation
- Shuho Kobayashi
- G02 - OPTICS
Information Patent Grant
Dust-proof glass, and electro-optic device and projection type imag...
- Patent number 7,705,960
- Issue date Apr 27, 2010
- Epson Toyocom Corporation
- Akihiro Shimizu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
LAMINATED WAVE PLATE AND OPTICAL DEVICE USING THE SAME
- Publication number 20110242959
- Publication date Oct 6, 2011
- EPSON TOYOCOM CORPORATION
- Masayuki Oto
- G02 - OPTICS
Information Patent Application
LAMINATED HALF-WAVE PLATE, POLARIZING CONVERTER, POLARIZED LIGHT IL...
- Publication number 20110170400
- Publication date Jul 14, 2011
- EPSON TOYOCOM CORPORATION
- Masayuki Oto
- G02 - OPTICS
Information Patent Application
LAMINATED WAVE PLATE, OPTICAL PICKUP DEVICE, POLARIZATION CONVERTER...
- Publication number 20100245692
- Publication date Sep 30, 2010
- EPSON TOYOCOM CORPORATION
- Masayuki OTO
- G02 - OPTICS
Information Patent Application
LAMINATED HALF-WAVE PLATE, OPTICAL PICKUP DEVICE, POLARIZATION CONV...
- Publication number 20100246368
- Publication date Sep 30, 2010
- EPSON TOYOCOM CORPORATION
- Masayuki OTO
- G02 - OPTICS
Information Patent Application
LAMINATED HALF-WAVE PLATE, POLARIZING CONVERTER, POLARIZED LIGHT IL...
- Publication number 20100182691
- Publication date Jul 22, 2010
- EPSON TOYOCOM CORPORATION
- Masayuki Oto
- G02 - OPTICS
Information Patent Application
LAMINATED QUARTER WAVE PLATE
- Publication number 20100110543
- Publication date May 6, 2010
- EPSON TOYOCOM CORPORATION
- Satoshi KAIZAWA
- G02 - OPTICS
Information Patent Application
QUARTER WAVE PLATE, OPTICAL PICKUP DEVICE, AND REFLECTIVE LIQUID CR...
- Publication number 20100103084
- Publication date Apr 29, 2010
- EPSON TOYOCOM CORPORATION
- Masayuki OTO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LAMINATED WAVE PLATE AND OPTICAL PICKUP DEVICE USING THE SAME
- Publication number 20090097384
- Publication date Apr 16, 2009
- EPSON TOYOCOM CORPORATION
- Masayuki OTO
- G02 - OPTICS
Information Patent Application
Laminated Wave Plate and Optical Pickup Using the Same
- Publication number 20080310285
- Publication date Dec 18, 2008
- EPSON TOYOCOM CORPORATION
- Masayuki Oto
- G02 - OPTICS
Information Patent Application
Multilayered phase difference plate and projector
- Publication number 20080239487
- Publication date Oct 2, 2008
- EPSON TOYOCOM CORPORATION
- Shuho KOBAYASHI
- G02 - OPTICS
Information Patent Application
Dust-proof glass, and electro-optic device and projection type imag...
- Publication number 20080137023
- Publication date Jun 12, 2008
- EPSON TOYOCOM CORPORATION
- Akihiro Shimizu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Laminated half-wave plate, polarizing converter, polarized light il...
- Publication number 20070291357
- Publication date Dec 20, 2007
- EPSON TOYOCOM CORPORATION
- Masayuki Oto
- G02 - OPTICS
Information Patent Application
Laminated wave plate and optical pickup device using the same
- Publication number 20070247633
- Publication date Oct 25, 2007
- EPSON TOYOCOM CORPORATION
- Masayuki Oto
- G02 - OPTICS

Masayuki Oto

Person

Patents Grantslast 30 patents

Laminated half-wave plate, polarizing converter, polarized light il...

Laminated wave plate and optical pickup device using the same

Laminated half-wave plate, polarizing converter, polarized light il...

Laminated wave plate and optical pickup device using the same

Laminated half-wave plate, polarizing converter, polarized light il...

Laminated wave plate and optical pickup using the same

Multilayered phase difference plate and projector

Dust-proof glass, and electro-optic device and projection type imag...

Patents Applicationslast 30 patents

LAMINATED WAVE PLATE AND OPTICAL DEVICE USING THE SAME

LAMINATED HALF-WAVE PLATE, POLARIZING CONVERTER, POLARIZED LIGHT IL...

LAMINATED WAVE PLATE, OPTICAL PICKUP DEVICE, POLARIZATION CONVERTER...

LAMINATED HALF-WAVE PLATE, OPTICAL PICKUP DEVICE, POLARIZATION CONV...

LAMINATED HALF-WAVE PLATE, POLARIZING CONVERTER, POLARIZED LIGHT IL...

LAMINATED QUARTER WAVE PLATE

QUARTER WAVE PLATE, OPTICAL PICKUP DEVICE, AND REFLECTIVE LIQUID CR...

LAMINATED WAVE PLATE AND OPTICAL PICKUP DEVICE USING THE SAME

Laminated Wave Plate and Optical Pickup Using the Same

Multilayered phase difference plate and projector

Dust-proof glass, and electro-optic device and projection type imag...

Laminated half-wave plate, polarizing converter, polarized light il...

Laminated wave plate and optical pickup device using the same