Hideaki Takaku

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Urawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical fiber illumination device
- Patent number 12,181,700
- Issue date Dec 31, 2024
- SUMITA OPTICAL GLASS, INC.
- Nobuhito Takahashi
- G02 - OPTICS
Information Patent Grant
Image guide fiber
- Patent number 10,508,053
- Issue date Dec 17, 2019
- SUMITA OPTICAL GLASS, INC.
- Nahoe Sumita
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Oxide fluorescent glass capable of exhibiting visible fluorescence
- Patent number 5,961,883
- Issue date Oct 5, 1999
- Sumita Optical Glass, Inc.
- Masaaki Yamazaki
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL FIBER ILLUMINATION DEVICE
- Publication number 20220413202
- Publication date Dec 29, 2022
- Sumita Optical Glass, Inc.
- Nobuhito TAKAHASHI
- G02 - OPTICS
Information Patent Application
OPTICAL GLASS AND OPTICAL ELEMENT
- Publication number 20200131072
- Publication date Apr 30, 2020
- Sumita Optical Glass, Inc.
- Koichi TSUCHIYA
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
Image Guide Fiber
- Publication number 20190270667
- Publication date Sep 5, 2019
- Sumita Optical Glass, Inc.
- Nahoe SUMITA
- C03 - GLASS MINERAL OR SLAG WOOL