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Patents Applications
last 30 patents
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Patent Application
OPTICAL GLASS, OPTICAL ELEMENT, OPTICAL SYSTEM, CEMENTED LENS, INTE...
Publication number
20240101465
Publication date
Mar 28, 2024
HIKARI GLASS CO., LTD.
Noriaki IGUCHI
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
OPTICAL GLASS, OPTICAL ELEMENT, OPTICAL SYSTEM, INTERCHANGEABLE LEN...
Publication number
20210403371
Publication date
Dec 30, 2021
HIKARI GLASS Co., Ltd.
Noriaki IGUCHI
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
OPTICAL GLASS, OPTICAL ELEMENT, OPTICAL SYSTEM, INTERCHANGEABLE LEN...
Publication number
20210276914
Publication date
Sep 9, 2021
HIKARI GLASS CO., LTD.
Noriaki IGUCHI
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
OPTICAL GLASS, AND OPTICAL ELEMENT, OPTICAL SYSTEM, CEMENTED LENS,...
Publication number
20200115271
Publication date
Apr 16, 2020
HIKARI GLASS CO., LTD.
Tetsuya Koide
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
Optical glass
Publication number
20050003948
Publication date
Jan 6, 2005
HIKARI GLASS CO., LTD.
Takahiro Yamazaki
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
Optical glass
Publication number
20040242397
Publication date
Dec 2, 2004
HIKARI GLASS CO., LTD.
Yoshiyuki Nakayama
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
Optical glass
Publication number
20040220041
Publication date
Nov 4, 2004
HIKARI GLASS CO., LTD.
Jyunichi Isowaki
C03 - GLASS MINERAL OR SLAG WOOL