Ryota Murakami

Person

Koriyama-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Diffractive optical element, projection device, and measurement dev...
- Patent number 12,147,058
- Issue date Nov 19, 2024
- AGC Inc.
- Ryota Murakami
- G01 - MEASURING TESTING
Information Patent Grant
Diffractive optical element, projection device, and measuring device
- Patent number 12,092,840
- Issue date Sep 17, 2024
- AGC Inc.
- Toshiya Yonehara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Diffractive optical element and illumination optical system
- Patent number 12,085,739
- Issue date Sep 10, 2024
- AGC Inc.
- Ryota Murakami
- G02 - OPTICS
Information Patent Grant
Diffractive optical element, projection device and measuring device
- Patent number 11,598,972
- Issue date Mar 7, 2023
- AGC Inc.
- Koji Miyasaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Diffractive optical element, projection device, and measurement device
- Patent number 11,536,981
- Issue date Dec 27, 2022
- AGC Inc.
- Ryota Murakami
- G01 - MEASURING TESTING
Information Patent Grant
Phase plate and an optical data recording/reproducing device
- Patent number 7,564,504
- Issue date Jul 21, 2009
- Asahi Glass Company, Limited
- Yoshiharu Ooi
- G11 - INFORMATION STORAGE
Information Patent Grant
Double-wavelength light source unit and optical head device having...
- Patent number 7,548,359
- Issue date Jun 16, 2009
- Asahi Glass Company, Limited
- Ryota Murakami
- G11 - INFORMATION STORAGE
Information Patent Grant
Wavelength-selective diffraction element and an optical head device
- Patent number 6,891,147
- Issue date May 10, 2005
- Asahi Glass Company, Limited
- Ryuichiro Goto
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
DIFFRACTIVE OPTICAL ELEMENT, PROJECTION DEVICE, AND MEASUREMENT DEV...
- Publication number 20230108188
- Publication date Apr 6, 2023
- AGC Inc.
- Ryota MURAKAMI
- G02 - OPTICS
Information Patent Application
DIFFRACTIVE OPTICAL ELEMENT, PROJECTION DEVICE, AND MEASURING DEVICE
- Publication number 20210356755
- Publication date Nov 18, 2021
- AGC Inc.
- Toshiya YONEHARA
- G02 - OPTICS
Information Patent Application
DIFFRACTIVE OPTICAL ELEMENT AND ILLUMINATION OPTICAL SYSTEM
- Publication number 20210255374
- Publication date Aug 19, 2021
- AGC Inc.
- Ryota MURAKAMI
- G01 - MEASURING TESTING
Information Patent Application
DIFFRACTIVE OPTICAL ELEMENT, PROJECTION DEVICE, AND MEASUREMENT DEVICE
- Publication number 20210088802
- Publication date Mar 25, 2021
- AGC Inc.
- Ryota MURAKAMI
- G01 - MEASURING TESTING
Information Patent Application
DIFFRACTIVE OPTICAL ELEMENT
- Publication number 20200264443
- Publication date Aug 20, 2020
- AGC Inc.
- Kensuke ONO
- G02 - OPTICS
Information Patent Application
DIFFRACTIVE OPTICAL ELEMENT, PROJECTION DEVICE AND MEASURING DEVICE
- Publication number 20200110277
- Publication date Apr 9, 2020
- AGC Inc.
- Koji MIYASAKA
- G02 - OPTICS
Information Patent Application
Diffraction element and optical head device
- Publication number 20060033913
- Publication date Feb 16, 2006
- ASAHI GLASS COMPANY, LIMITED
- Hiromasa Sato
- G02 - OPTICS
Information Patent Application
Double-wavelength light source unit and optical head device
- Publication number 20050213444
- Publication date Sep 29, 2005
- ASAHI GLASS COMPANY, LIMITED
- Ryota Murakami
- G11 - INFORMATION STORAGE
Information Patent Application
Phase plate and an optical data recording/reproducing device
- Publication number 20050213212
- Publication date Sep 29, 2005
- ASAHI GLASS COMPANY, LIMITED
- Yoshiharu Ooi
- G02 - OPTICS
Information Patent Application
Wavelength-selective diffraction element and an optical head device
- Publication number 20040094699
- Publication date May 20, 2004
- ASAHI GLASS COMPANY LIMITED
- Ryuichiro Goto
- G02 - OPTICS

Ryota Murakami

Person

Patents Grantslast 30 patents

Diffractive optical element, projection device, and measurement dev...

Diffractive optical element, projection device, and measuring device

Diffractive optical element and illumination optical system

Diffractive optical element, projection device and measuring device

Diffractive optical element, projection device, and measurement device

Phase plate and an optical data recording/reproducing device

Double-wavelength light source unit and optical head device having...

Wavelength-selective diffraction element and an optical head device

Patents Applicationslast 30 patents

DIFFRACTIVE OPTICAL ELEMENT, PROJECTION DEVICE, AND MEASUREMENT DEV...

DIFFRACTIVE OPTICAL ELEMENT, PROJECTION DEVICE, AND MEASURING DEVICE

DIFFRACTIVE OPTICAL ELEMENT AND ILLUMINATION OPTICAL SYSTEM

DIFFRACTIVE OPTICAL ELEMENT, PROJECTION DEVICE, AND MEASUREMENT DEVICE

DIFFRACTIVE OPTICAL ELEMENT

DIFFRACTIVE OPTICAL ELEMENT, PROJECTION DEVICE AND MEASURING DEVICE

Diffraction element and optical head device

Double-wavelength light source unit and optical head device

Phase plate and an optical data recording/reproducing device

Wavelength-selective diffraction element and an optical head device