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Yokohama-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Light source for myopia prevention article and method of using ligh...
Patent number
12,023,513
Issue date
Jul 2, 2024
Toshiba Materials Co., Ltd.
Masahiko Yamakawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Light source for myopia prevention article and method of using ligh...
Patent number
11,007,375
Issue date
May 18, 2021
Toshiba Materials Co., Ltd.
Masahiko Yamakawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical element
Patent number
10,866,433
Issue date
Dec 15, 2020
JINS HOLDINGS Inc.
Shunsuke Shioya
G02 - OPTICS
Information
Patent Grant
Glass
Patent number
10,865,134
Issue date
Dec 15, 2020
AGC Inc.
Kensuke Nagai
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Myopia treatment device
Patent number
10,823,982
Issue date
Nov 3, 2020
TSUBOTA LABORATORY, INC.
Kazuo Tsubota
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Myopia prevention device
Patent number
10,133,092
Issue date
Nov 20, 2018
TSUBOTA LABORATORY, INC.
Kazuo Tsubota
F21 - LIGHTING
Patents Applications
last 30 patents
Information
Patent Application
LIGHT SOURCE FOR MYOPIA PREVENTION ARTICLE AND METHOD OF USING LIGH...
Publication number
20210228901
Publication date
Jul 29, 2021
Toshiba Materials Co., Ltd.
Masahiko YAMAKAWA
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
MYOPIA TREATMENT DEVICE
Publication number
20190129204
Publication date
May 2, 2019
TSUBOTA LABORATORY, INC.
Kazuo Tsubota
G02 - OPTICS
Information
Patent Application
LIGHT SOURCE FOR MYOPIA PREVENTION ARTICLE AND METHOD OF USING LIGH...
Publication number
20180351050
Publication date
Dec 6, 2018
Toshiba Materials Co., Ltd.
Masahiko Yamakawa
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
GLASS
Publication number
20180297888
Publication date
Oct 18, 2018
Asahi Glass Company, Limited
Kensuke NAGAI
G02 - OPTICS
Information
Patent Application
IRRADIATION DEVICE
Publication number
20180280718
Publication date
Oct 4, 2018
TSUBOTA LABORATORY, INC.
Kazuo TSUBOTA
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
WAVELENGTH-SELECTIVE TRANSPARENT GLASS PRODUCT
Publication number
20180273424
Publication date
Sep 27, 2018
Asahi Glass Company, Limited
Hideyuki Hirakoso
G02 - OPTICS
Information
Patent Application
MYOPIA PREVENTION DEVICE
Publication number
20170168320
Publication date
Jun 15, 2017
TSUBOTA LABORATORY, INC.
Kazuo TSUBOTA
G02 - OPTICS