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Shinjuku-ku, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical element and optical apparatus
Patent number
11,774,649
Issue date
Oct 3, 2023
Hoya Corporation
Toshiki Nakamura
G02 - OPTICS
Information
Patent Grant
Glass spacer, hard disk drive apparatus, and method for manufacturi...
Patent number
11,682,425
Issue date
Jun 20, 2023
Hoya Corporation
Shinji Eda
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical element and optical apparatus
Patent number
11,656,456
Issue date
May 23, 2023
Hoya Corporation
Toshiki Nakamura
G02 - OPTICS
Information
Patent Grant
Glass spacer, hard disk drive apparatus, and method for manufacturi...
Patent number
11,031,038
Issue date
Jun 8, 2021
Hoya Corporation
Shinji Eda
G11 - INFORMATION STORAGE
Information
Patent Grant
Glass lens blank for polishing, manufacturing method therefore, and...
Patent number
9,868,661
Issue date
Jan 16, 2018
Hoya Corporation
Mikio Ikenishi
B24 - GRINDING POLISHING
Information
Patent Grant
Fluorophosphate glass and method for producing the same and near-in...
Patent number
9,656,905
Issue date
May 23, 2017
Hoya Corporation
Mikio Ikenishi
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Optical glass, glass material for press molding, optical element, m...
Patent number
9,481,600
Issue date
Nov 1, 2016
Hoya Corporation
Yoshitake Tanno
C03 - GLASS MINERAL OR SLAG WOOL
Patents Applications
last 30 patents
Information
Patent Application
GLASS HAVING COLORED LAYER AND METHOD FOR MANUFACTURING SAME
Publication number
20230265006
Publication date
Aug 24, 2023
HOYA CORPORATION
Yoshitake TANNO
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
GLASS
Publication number
20230250016
Publication date
Aug 10, 2023
HOYA CORPORATION
Mikio IKENISHI
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
GLASS
Publication number
20230202917
Publication date
Jun 29, 2023
HOYA CORPORATION
Yoshitake TANNO
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
GLASS AND OPTICAL ELEMENT
Publication number
20220250968
Publication date
Aug 11, 2022
HOYA CORPORATION
Koichi SATO
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
OPTICAL ELEMENT AND OPTICAL APPARATUS
Publication number
20210333449
Publication date
Oct 28, 2021
HOYA CORPORATION
Toshiki NAKAMURA
G02 - OPTICS
Information
Patent Application
GLASS SPACER, HARD DISK DRIVE APPARATUS, AND METHOD FOR MANUFACTURI...
Publication number
20210264946
Publication date
Aug 26, 2021
HOYA CORPORATION
Shinji EDA
G11 - INFORMATION STORAGE
Information
Patent Application
OPTICAL ELEMENT AND OPTICAL APPARATUS
Publication number
20210048665
Publication date
Feb 18, 2021
HOYA CORPORATION
Toshiki NAKAMURA
G02 - OPTICS
Information
Patent Application
GLASS SPACER, HARD DISK DRIVE APPARATUS, AND METHOD FOR MANUFACTURI...
Publication number
20200227087
Publication date
Jul 16, 2020
HOYA CORPORATION
Shinji EDA
G11 - INFORMATION STORAGE
Information
Patent Application
GLASS LENS BLANK FOR POLISHING, MANUFACTURING METHOD THEREFORE, AND...
Publication number
20160039703
Publication date
Feb 11, 2016
HOYA CORPORATION
Mikio IKENISHI
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
OPTICAL GLASS, GLASS MATERIAL FOR PRESS MOLDING, OPTICAL ELEMENT, M...
Publication number
20150183682
Publication date
Jul 2, 2015
HOYA CORPORATION
Yoshitake Tanno
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
FLUOROPHOSPHATE GLASS AND METHOD FOR PRODUCING THE SAME AND NEAR-IN...
Publication number
20130207057
Publication date
Aug 15, 2013
HOYA CORPORATION
Mikio IKENISHI
C03 - GLASS MINERAL OR SLAG WOOL