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Toshiaki MIYAO
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Matsumoto-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Head-mounted display apparatus, optical unit, and manufacturing met...
Patent number
12,298,520
Issue date
May 13, 2025
Seiko Epson Corporation
Takuya Ikeda
G02 - OPTICS
Information
Patent Grant
Virtual image display apparatus
Patent number
12,287,482
Issue date
Apr 29, 2025
Seiko Epson Corporation
Toshiaki Miyao
G02 - OPTICS
Information
Patent Grant
Light-guiding device, virtual image display apparatus, and method f...
Patent number
11,656,469
Issue date
May 23, 2023
Seiko Epson Corporation
Toshiaki Miyao
G02 - OPTICS
Information
Patent Grant
Head-mounted display
Patent number
11,640,060
Issue date
May 2, 2023
Seiko Epson Corporation
Tokito Yamaguchi
G02 - OPTICS
Information
Patent Grant
Virtual image display device and light-guiding member
Patent number
11,550,154
Issue date
Jan 10, 2023
Seiko Epson Corporation
Masayuki Takagi
G02 - OPTICS
Information
Patent Grant
Light-guiding device, display device, and method of manufacturing l...
Patent number
11,536,967
Issue date
Dec 27, 2022
Seiko Epson Corporation
Toshiaki Miyao
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Light-guiding device and virtual image display apparatus
Patent number
11,506,895
Issue date
Nov 22, 2022
Seiko Epson Corporation
Toshiaki Miyao
G02 - OPTICS
Information
Patent Grant
Head-mounted display
Patent number
11,480,799
Issue date
Oct 25, 2022
Seiko Epson Corporation
Masayuki Takagi
G02 - OPTICS
Information
Patent Grant
Virtual image display apparatus
Patent number
11,448,882
Issue date
Sep 20, 2022
Seiko Epson Corporation
Takashi Takeda
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Virtual image display apparatus and light-guiding device
Patent number
11,435,588
Issue date
Sep 6, 2022
Seiko Epson Corporation
Takashi Takeda
G02 - OPTICS
Information
Patent Grant
Head-mounted display
Patent number
11,397,326
Issue date
Jul 26, 2022
Seiko Epson Corporation
Tokito Yamaguchi
G02 - OPTICS
Information
Patent Grant
Virtual image display device
Patent number
11,327,301
Issue date
May 10, 2022
Seiko Epson Corporation
Masayuki Takagi
G02 - OPTICS
Information
Patent Grant
Virtual image display apparatus
Patent number
11,327,309
Issue date
May 10, 2022
Seiko Epson Corporation
Takashi Takeda
G02 - OPTICS
Information
Patent Grant
Virtual image display apparatus
Patent number
11,307,396
Issue date
Apr 19, 2022
Seiko Epson Corporation
Takashi Takeda
G02 - OPTICS
Information
Patent Grant
Head-mounted display
Patent number
11,275,246
Issue date
Mar 15, 2022
Seiko Epson Corporation
Akira Komatsu
G02 - OPTICS
Information
Patent Grant
Virtual-image display apparatus
Patent number
11,249,311
Issue date
Feb 15, 2022
Seiko Epson Corporation
Takashi Takeda
G02 - OPTICS
Information
Patent Grant
Virtual image display apparatus
Patent number
11,231,585
Issue date
Jan 25, 2022
Seiko Epson Corporation
Takashi Takeda
G02 - OPTICS
Information
Patent Grant
Virtual image display apparatus
Patent number
11,215,833
Issue date
Jan 4, 2022
Seiko Epson Corporation
Masayuki Takagi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Virtual image display device
Patent number
11,204,500
Issue date
Dec 21, 2021
Seiko Epson Corporation
Masayuki Takagi
G02 - OPTICS
Information
Patent Grant
Virtual image display device including incident side and emission s...
Patent number
11,199,712
Issue date
Dec 14, 2021
Seiko Epson Corporation
Takashi Takeda
G02 - OPTICS
Information
Patent Grant
Light control shade for transmissive display apparatus
Patent number
11,163,162
Issue date
Nov 2, 2021
Seiko Epson Corporation
Masayuki Takagi
F21 - LIGHTING
Information
Patent Grant
Light-guiding device, virtual image display apparatus, and method f...
Patent number
11,150,477
Issue date
Oct 19, 2021
Seiko Epson Corporation
Toshiaki Miyao
G02 - OPTICS
Information
Patent Grant
Head-mounted image display device and face mask unit
Patent number
11,143,877
Issue date
Oct 12, 2021
Seiko Epson Corporation
Tomohide Kamiya
G02 - OPTICS
Information
Patent Grant
Head-mounted display
Patent number
11,137,609
Issue date
Oct 5, 2021
Seiko Epson Corporation
Masayuki Takagi
G02 - OPTICS
Information
Patent Grant
Virtual image display device
Patent number
11,099,395
Issue date
Aug 24, 2021
Seiko Epson Corporation
Tokito Yamaguchi
G02 - OPTICS
Information
Patent Grant
Head-mounted display device and display control method for head-mou...
Patent number
11,025,894
Issue date
Jun 1, 2021
Seiko Epson Corporation
Takashi Takeda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Virtual image display apparatus
Patent number
10,942,431
Issue date
Mar 9, 2021
Seiko Epson Corporation
Akira Komatsu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Image display device having ocular optical system causing images to...
Patent number
10,884,254
Issue date
Jan 5, 2021
Seiko Epson Corporation
Tokito Yamaguchi
G02 - OPTICS
Information
Patent Grant
Head mounted display and image formation optical system
Patent number
10,873,742
Issue date
Dec 22, 2020
Seiko Epson Corporation
Takashi Takeda
G02 - OPTICS
Information
Patent Grant
Head-mounted display
Patent number
10,859,836
Issue date
Dec 8, 2020
Seiko Epson Corporation
Akira Komatsu
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
VIRTUAL-IMAGE DISPLAY DEVICE
Publication number
20250044597
Publication date
Feb 6, 2025
SEIKO EPSON CORPORATION
Toshiaki Miyao
G02 - OPTICS
Information
Patent Application
VIRTUAL IMAGE DISPLAY DEVICE AND OPTICAL UNIT
Publication number
20250035931
Publication date
Jan 30, 2025
SEIKO EPSON CORPORATION
Toshiaki Miyao
G02 - OPTICS
Information
Patent Application
HEAD-MOUNTED DISPLAY APPARATUS, OPTICAL MODULE, AND MANUFACTURING M...
Publication number
20240329412
Publication date
Oct 3, 2024
SEIKO EPSON CORPORATION
Takuya IKEDA
G02 - OPTICS
Information
Patent Application
HEAD-MOUNTED DISPLAY APPARATUS, OPTICAL UNIT, AND MANUFACTURING MET...
Publication number
20240061256
Publication date
Feb 22, 2024
SEIKO EPSON CORPORATION
Takuya IKEDA
G02 - OPTICS
Information
Patent Application
IMAGE DISPLAY DEVICE, OPTICAL UNIT, AND MANUFACTURING METHOD OF OPT...
Publication number
20240061260
Publication date
Feb 22, 2024
SEIKO EPSON CORPORATION
Toshiyuki Noguchi
G02 - OPTICS
Information
Patent Application
HEAD-MOUNTED DISPLAY APPARATUS AND OPTICAL UNIT
Publication number
20240061258
Publication date
Feb 22, 2024
SEIKO EPSON CORPORATION
Toshiaki MIYAO
G02 - OPTICS
Information
Patent Application
OPTICAL UNIT, VIRTUAL IMAGE DISPLAY DEVICE, AND MEASUREMENT METHOD...
Publication number
20230111577
Publication date
Apr 13, 2023
SEIKO EPSON CORPORATION
Toshiyuki NOGUCHI
G02 - OPTICS
Information
Patent Application
OPTICAL MEMBER, VIRTUAL IMAGE DISPLAY DEVICE, AND MEASUREMENT METHO...
Publication number
20230111091
Publication date
Apr 13, 2023
SEIKO EPSON CORPORATION
Toshiaki MIYAO
G02 - OPTICS
Information
Patent Application
VIRTUAL IMAGE DISPLAY APPARATUS
Publication number
20220326525
Publication date
Oct 13, 2022
SEIKO EPSON CORPORATION
Toshiaki MIYAO
G02 - OPTICS
Information
Patent Application
LIGHT-GUIDING DEVICE, VIRTUAL IMAGE DISPLAY APPARATUS, AND METHOD F...
Publication number
20210405377
Publication date
Dec 30, 2021
SEIKO EPSON CORPORATION
Toshiaki MIYAO
G02 - OPTICS
Information
Patent Application
HEAD-MOUNTED DISPLAY
Publication number
20210397006
Publication date
Dec 23, 2021
SEIKO EPSON CORPORATION
Masayuki TAKAGI
G02 - OPTICS
Information
Patent Application
HEAD-MOUNTED DISPLAY
Publication number
20210165227
Publication date
Jun 3, 2021
SEIKO EPSON CORPORATION
Tokito YAMAGUCHI
G02 - OPTICS
Information
Patent Application
LIGHT-GUIDING DEVICE, DISPLAY DEVICE, AND METHOD OF MANUFACTURING L...
Publication number
20210132389
Publication date
May 6, 2021
SEIKO EPSON CORPORATION
Toshiaki MIYAO
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
HEAD-MOUNTED DISPLAY
Publication number
20210132388
Publication date
May 6, 2021
SEIKO EPSON CORPORATION
Tokito YAMAGUCHI
G02 - OPTICS
Information
Patent Application
VIRTUAL IMAGE DISPLAY DEVICE AND LIGHT-GUIDING MEMBER
Publication number
20210132392
Publication date
May 6, 2021
SEIKO EPSON CORPORATION
Masayuki TAKAGI
G02 - OPTICS
Information
Patent Application
HEAD-MOUNTED DISPLAY
Publication number
20210096377
Publication date
Apr 1, 2021
SEIKO EPSON CORPORATION
Masayuki TAKAGI
G02 - OPTICS
Information
Patent Application
VIRTUAL IMAGE DISPLAY APPARATUS AND LIGHT-GUIDING DEVICE
Publication number
20210063752
Publication date
Mar 4, 2021
SEIKO EPSON CORPORATION
Takashi TAKEDA
G02 - OPTICS
Information
Patent Application
VIRTUAL IMAGE DISPLAY APPARATUS AND LIGHT-GUIDING DEVICE
Publication number
20210063749
Publication date
Mar 4, 2021
SEIKO EPSON CORPORATION
Takashi TAKEDA
G02 - OPTICS
Information
Patent Application
VIRTUAL IMAGE DISPLAY DEVICE
Publication number
20200225483
Publication date
Jul 16, 2020
SEIKO EPSON CORPORATION
Tokito YAMAGUCHI
G02 - OPTICS
Information
Patent Application
VIRTUAL IMAGE DISPLAY APPARATUS
Publication number
20200225484
Publication date
Jul 16, 2020
SEIKO EPSON CORPORATION
Masayuki TAKAGI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
HEAD-MOUNTED DISPLAY DEVICE AND DISPLAY CONTROL METHOD FOR HEAD-MOU...
Publication number
20200213580
Publication date
Jul 2, 2020
SEIKO EPSON CORPORATION
Takashi TAKEDA
G02 - OPTICS
Information
Patent Application
LIGHT-GUIDING DEVICE, VIRTUAL IMAGE DISPLAY APPARATUS, AND METHOD F...
Publication number
20200174257
Publication date
Jun 4, 2020
SEIKO EPSON CORPORATION
Toshiaki MIYAO
G02 - OPTICS
Information
Patent Application
LIGHT-GUIDING DEVICE AND VIRTUAL IMAGE DISPLAY APPARATUS
Publication number
20200174258
Publication date
Jun 4, 2020
SEIKO EPSON CORPORATION
Toshiaki MIYAO
G02 - OPTICS
Information
Patent Application
VIRTUAL IMAGE DISPLAY APPARATUS
Publication number
20200073127
Publication date
Mar 5, 2020
SEIKO EPSON CORPORATION
Takashi TAKEDA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
LIGHT CONTROL SHADE FOR TRANSMISSIVE DISPLAY APPARATUS
Publication number
20200064638
Publication date
Feb 27, 2020
SEIKO EPSON CORPORATION
Masayuki TAKAGI
G02 - OPTICS
Information
Patent Application
VIRTUAL IMAGE DISPLAY DEVICE INCLUDING INCIDENT SIDE AND EMISSION S...
Publication number
20200049999
Publication date
Feb 13, 2020
SEIKO EPSON CORPORATION
Takashi TAKEDA
G02 - OPTICS
Information
Patent Application
VIRTUAL IMAGE DISPLAY DEVICE AND ENLARGEMENT OPTICAL SYSTEM
Publication number
20200041795
Publication date
Feb 6, 2020
SEIKO EPSON CORPORATION
Tokito YAMAGUCHI
G02 - OPTICS
Information
Patent Application
VIRTUAL IMAGE DISPLAY DEVICE
Publication number
20200041785
Publication date
Feb 6, 2020
SEIKO EPSON CORPORATION
Masayuki TAKAGI
G02 - OPTICS
Information
Patent Application
VIRTUAL IMAGE DISPLAY APPARATUS
Publication number
20200033573
Publication date
Jan 30, 2020
SEIKO EPSON CORPORATION
Takashi TAKEDA
G02 - OPTICS
Information
Patent Application
VIRTUAL IMAGE DISPLAY APPARATUS
Publication number
20200033607
Publication date
Jan 30, 2020
SEIKO EPSON CORPORATION
Takashi TAKEDA
G02 - OPTICS