Hiroyuki TATSUGI

Person

Suwa-shi, Nagano-ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing optical element, optical element and displ...
- Patent number 11,709,362
- Issue date Jul 25, 2023
- Seiko Epson Corporation
- Atsushi Saito
- G02 - OPTICS
Information Patent Grant
Diffractive optical element and virtual image display device
- Patent number 11,249,320
- Issue date Feb 15, 2022
- Seiko Epson Corporation
- Hiroyuki Tatsugi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Display module and display device
- Patent number 11,221,496
- Issue date Jan 11, 2022
- Seiko Epson Corporation
- Takashi Takeda
- G02 - OPTICS
Information Patent Grant
Optical module and head-mounted display apparatus
- Patent number 11,086,135
- Issue date Aug 10, 2021
- Seiko Epson Corporation
- Masatoshi Yonekubo
- G02 - OPTICS
Information Patent Grant
Light-guiding device and display device
- Patent number 10,401,554
- Issue date Sep 3, 2019
- Seiko Epson Corporation
- Shohei Yoshida
- G02 - OPTICS
Information Patent Grant
Optical element, image display device and method for manufacturing...
- Patent number 9,738,041
- Issue date Aug 22, 2017
- Seiko Epson Corporation
- Hiroyuki Tatsugi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Light-emitting apparatus, method of manufacturing light-emitting ap...
- Patent number 7,683,540
- Issue date Mar 23, 2010
- Seiko Epson Corporation
- Takayuki Tajima
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
DIFFRACTION OPTICAL MEMBER AND VIRTUAL IMAGE DISPLAY DEVICE
- Publication number 20220099979
- Publication date Mar 31, 2022
- SEIKO EPSON CORPORATION
- Hiroyuki TATSUGI
- G02 - OPTICS
Information Patent Application
METHOD FOR MANUFACTURING OPTICAL ELEMENT, OPTICAL ELEMENT AND DISPL...
- Publication number 20210063747
- Publication date Mar 4, 2021
- SEIKO EPSON CORPORATION
- Atsushi SAITO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DISPLAY MODULE AND DISPLAY DEVICE
- Publication number 20200285064
- Publication date Sep 10, 2020
- SEIKO EPSON CORPORATION
- Takashi TAKEDA
- G02 - OPTICS
Information Patent Application
OPTICAL MODULE AND HEAD-MOUNTED DISPLAY APPARATUS
- Publication number 20200004034
- Publication date Jan 2, 2020
- SEIKO EPSON CORPORATION
- Masatoshi YONEKUBO
- G02 - OPTICS
Information Patent Application
DIFFRACTIVE OPTICAL ELEMENT AND VIRTUAL IMAGE DISPLAY DEVICE
- Publication number 20190265483
- Publication date Aug 29, 2019
- SEIKO EPSON CORPORATION
- Hiroyuki TATSUGI
- G02 - OPTICS
Information Patent Application
LIGHT-GUIDING DEVICE AND DISPLAY DEVICE
- Publication number 20190094451
- Publication date Mar 28, 2019
- SEIKO EPSON CORPORATION
- Shohei YOSHIDA
- G02 - OPTICS
Information Patent Application
OPTICAL ELEMENT, IMAGE DISPLAY DEVICE AND METHOD FOR MANUFACTURING...
- Publication number 20170293149
- Publication date Oct 12, 2017
- SEIKO EPSON CORPORATION
- Hiroyuki Tatsugi
- G02 - OPTICS
Information Patent Application
OPTICAL ELEMENT, IMAGE DISPLAY DEVICE AND METHOD FOR MANUFACTURING...
- Publication number 20150138646
- Publication date May 21, 2015
- SEIKO EPSON CORPORATION
- Hiroyuki Tatsugi
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
LIGHT-EMITTING APPARATUS, METHOD OF MANUFACTURING LIGHT-EMITTING AP...
- Publication number 20070069644
- Publication date Mar 29, 2007
- SEIKO EPSON CORPORATION
- Takayuki TAJIMA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Hiroyuki TATSUGI

Person

Patents Grantslast 30 patents

Method for manufacturing optical element, optical element and displ...

Diffractive optical element and virtual image display device

Display module and display device

Optical module and head-mounted display apparatus

Light-guiding device and display device

Optical element, image display device and method for manufacturing...

Light-emitting apparatus, method of manufacturing light-emitting ap...

Patents Applicationslast 30 patents

DIFFRACTION OPTICAL MEMBER AND VIRTUAL IMAGE DISPLAY DEVICE

METHOD FOR MANUFACTURING OPTICAL ELEMENT, OPTICAL ELEMENT AND DISPL...

DISPLAY MODULE AND DISPLAY DEVICE

OPTICAL MODULE AND HEAD-MOUNTED DISPLAY APPARATUS

DIFFRACTIVE OPTICAL ELEMENT AND VIRTUAL IMAGE DISPLAY DEVICE

LIGHT-GUIDING DEVICE AND DISPLAY DEVICE

OPTICAL ELEMENT, IMAGE DISPLAY DEVICE AND METHOD FOR MANUFACTURING...

OPTICAL ELEMENT, IMAGE DISPLAY DEVICE AND METHOD FOR MANUFACTURING...

LIGHT-EMITTING APPARATUS, METHOD OF MANUFACTURING LIGHT-EMITTING AP...