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Hiroyuki Oikawa
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Chitose-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Liquid crystal apparatus and projection-type display apparatus
Patent number
11,862,121
Issue date
Jan 2, 2024
Seiko Epson Corporation
Ken Shimada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Liquid crystal device and electronic apparatus having electrode bet...
Patent number
11,682,361
Issue date
Jun 20, 2023
Seiko Epson Corporation
Hiroyuki Oikawa
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Electro-optical device having openings with inner walls and electro...
Patent number
11,664,387
Issue date
May 30, 2023
Seiko Epson Corporation
Hiroyuki Oikawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electro-optical device with interlayer insulating layers and contac...
Patent number
11,662,640
Issue date
May 30, 2023
Seiko Epson Corporation
Hiroyuki Oikawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Liquid crystal device and electronic apparatus
Patent number
11,636,817
Issue date
Apr 25, 2023
Seiko Epson Corporation
Hiroyuki Oikawa
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Electro-optical device and electronic apparatus
Patent number
11,424,274
Issue date
Aug 23, 2022
Seiko Epson Corporation
Hiroyuki Oikawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electro-optical device and electronic apparatus
Patent number
10,859,882
Issue date
Dec 8, 2020
Seiko Epson Corporation
Toru Nimura
G02 - OPTICS
Information
Patent Grant
Electro-optical device and electronic apparatus
Patent number
10,620,494
Issue date
Apr 14, 2020
Seiko Epson Corporation
Hiroyuki Oikawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electronic device and electro-optical device having a mirror with a...
Patent number
10,495,873
Issue date
Dec 3, 2019
Seiko Epson Corporation
Hiroyuki Oikawa
G02 - OPTICS
Information
Patent Grant
Electro-optical device and electronic device
Patent number
10,133,060
Issue date
Nov 20, 2018
Seiko Epson Corporation
Hiroyuki Oikawa
G02 - OPTICS
Information
Patent Grant
Lens array substrate, electro-optical apparatus and electronic equi...
Patent number
9,817,157
Issue date
Nov 14, 2017
Seiko Epson Corporation
Satoshi Ito
G02 - OPTICS
Information
Patent Grant
Electro-optical apparatus, and electronic apparatus
Patent number
9,366,925
Issue date
Jun 14, 2016
Seiko Epson Corporation
Hiroyuki Oikawa
G02 - OPTICS
Information
Patent Grant
Electrooptic device substrate for shielding light from switching el...
Patent number
9,082,854
Issue date
Jul 14, 2015
Seiko Epson Corporation
Satoshi Ito
G02 - OPTICS
Information
Patent Grant
Electro-optical device and electronic apparatus
Patent number
9,030,458
Issue date
May 12, 2015
Seiko Epson Corporation
Hiroyuki Oikawa
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Electro-optical device and electronic apparatus
Patent number
8,803,867
Issue date
Aug 12, 2014
Seiko Epson Corporation
Hiroyuki Oikawa
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Patents Applications
last 30 patents
Information
Patent Application
ELECTRO-OPTICAL DEVICE AND ELECTRONIC APPARATUS
Publication number
20240310671
Publication date
Sep 19, 2024
SEIKO EPSON CORPORATION
Hiroyuki Oikawa
G02 - OPTICS
Information
Patent Application
ELECTRO-OPTICAL DEVICE AND ELECTRONIC APPARATUS
Publication number
20240310681
Publication date
Sep 19, 2024
SEIKO EPSON CORPORATION
Hiroyuki Oikawa
G02 - OPTICS
Information
Patent Application
ELECTROOPTIC APPARATUS AND ELECTRONIC EQUIPMENT
Publication number
20240264503
Publication date
Aug 8, 2024
SEIKO EPSON CORPORATION
Hiroyuki Oikawa
G02 - OPTICS
Information
Patent Application
ELECTRO-OPTICAL DEVICE AND ELECTRONIC APPARATUS
Publication number
20230319242
Publication date
Oct 5, 2023
SEIKO EPSON CORPORATION
Hiroyuki OIKAWA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
LIQUID CRYSTAL APPARATUS AND ELECTRONIC APPARATUS
Publication number
20230029855
Publication date
Feb 2, 2023
SEIKO EPSON CORPORATION
Ken SHIMADA
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
LIQUID CRYSTAL DEVICE AND ELECTRONIC APPARATUS
Publication number
20220383831
Publication date
Dec 1, 2022
SEIKO EPSON CORPORATION
Hiroyuki OIKAWA
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
LIQUID CRYSTAL DEVICE AND ELECTRONIC APPARATUS
Publication number
20220375421
Publication date
Nov 24, 2022
SEIKO EPSON CORPORATION
Hiroyuki Oikawa
G02 - OPTICS
Information
Patent Application
ELECTRO-OPTICAL DEVICE AND ELECTRONIC APPARATUS
Publication number
20210242245
Publication date
Aug 5, 2021
SEIKO EPSON CORPORATION
Hiroyuki OIKAWA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ELECTRO-OPTICAL DEVICE AND ELECTRONIC APPARATUS
Publication number
20210240024
Publication date
Aug 5, 2021
SEIKO EPSON CORPORATION
Hiroyuki OIKAWA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ELECTRO-OPTICAL DEVICE AND ELECTRONIC APPARATUS
Publication number
20210242246
Publication date
Aug 5, 2021
SEIKO EPSON CORPORATION
Hiroyuki OIKAWA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ELECTRO-OPTICAL DEVICE AND ELECTRONIC APPARATUS
Publication number
20200312890
Publication date
Oct 1, 2020
SEIKO EPSON CORPORATION
Hiroyuki OIKAWA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ELECTRO-OPTICAL DEVICE AND ELECTRONIC APPARATUS
Publication number
20190331972
Publication date
Oct 31, 2019
SEIKO EPSON CORPORATION
Toru NIMURA
G02 - OPTICS
Information
Patent Application
ELECTRO-OPTICAL DEVICE AND ELECTRONIC APPARATUS
Publication number
20190196281
Publication date
Jun 27, 2019
SEIKO EPSON CORPORATION
Hiroyuki OIKAWA
G02 - OPTICS
Information
Patent Application
ELECTRONIC DEVICE AND ELECTRO-OPTICAL DEVICE
Publication number
20180004063
Publication date
Jan 4, 2018
SEIKO EPSON CORPORATION
Hiroyuki OIKAWA
G02 - OPTICS
Information
Patent Application
ELECTRO-OPTICAL DEVICE AND ELECTRONIC DEVICE
Publication number
20170336623
Publication date
Nov 23, 2017
SEIKO EPSON CORPORATION
Hiroyuki OIKAWA
G02 - OPTICS
Information
Patent Application
ELECTRO-OPTIC DEVICE, ELECTRONIC DEVICE, AND MANUFACTURING METHOD F...
Publication number
20170293170
Publication date
Oct 12, 2017
SEIKO EPSON CORPORATION
Daisuke MIYAWAKI
G02 - OPTICS
Information
Patent Application
LENS ARRAY SUBSTRATE, ELECTRO-OPTICAL APPARATUS AND ELECTRONIC EQUI...
Publication number
20160018568
Publication date
Jan 21, 2016
SEIKO EPSON CORPORATION
Satoshi Ito
G02 - OPTICS
Information
Patent Application
ELECTRO-OPTICAL DEVICE AND ELECTRONIC APPARATUS
Publication number
20140313179
Publication date
Oct 23, 2014
Hiroyuki Oikawa
G02 - OPTICS
Information
Patent Application
ELECTROOPTIC DEVICE SUBSTRATE, ELECTROOPTIC DEVICE, AND ELECTRONIC...
Publication number
20140203285
Publication date
Jul 24, 2014
SEIKO EPSON CORPORATION
Satoshi Ito
G02 - OPTICS
Information
Patent Application
LIQUID CRYSTAL DEVICE AND ELECTRONIC APPARATUS
Publication number
20130278876
Publication date
Oct 24, 2013
SEIKO EPSON CORPORATION
Hiroyuki Oikawa
G02 - OPTICS
Information
Patent Application
ELECTRO-OPTICAL APPARATUS, AND ELECTRONIC APPARATUS
Publication number
20130077003
Publication date
Mar 28, 2013
SEIKO EPSON CORPORATION
Hiroyuki Oikawa
G02 - OPTICS
Information
Patent Application
ELECTRO-OPTICAL DEVICE AND ELECTRONIC APPARATUS
Publication number
20130076717
Publication date
Mar 28, 2013
SEIKO EPSON CORPORATION
Hiroyuki Oikawa
G02 - OPTICS
Information
Patent Application
ELECTRO-OPTICAL DEVICE AND ELECTRONIC APPARATUS
Publication number
20100188591
Publication date
Jul 29, 2010
SEIKO EPSON CORPORATION
Hiroyuki OIKAWA
G02 - OPTICS