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Saitama-shi, JP
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Patents Grants
last 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
Relay optical system for rigid endoscope
Patent number
11,598,947
Issue date
Mar 7, 2023
SUMITA OPTICAL GLASS, INC.
Hiroki Watanabe
G02 - OPTICS
Information
Patent Grant
Flexible endoscope, and endoscope system equipped with same
Patent number
11,559,196
Issue date
Jan 24, 2023
Osaka University
Keita Okayama
G02 - OPTICS
Information
Patent Grant
Precursor glass of lithium phosphorus complex oxide and method of p...
Patent number
11,345,597
Issue date
May 31, 2022
SUMITA OPTICAL GLASS, INC.
Tatsuya Tezuka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of producing LTP or LATP crystal particle
Patent number
10,611,665
Issue date
Apr 7, 2020
SUMITA OPTICAL GLASS, INC.
Tatsuya Tezuka
C03 - GLASS MINERAL OR SLAG WOOL
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
Optical system
Patent number
9,405,123
Issue date
Aug 2, 2016
Sumita Optical Glass, Inc.
Hiroki Watanabe
G02 - OPTICS
Information
Patent Grant
Optical glass, preform for precision press molding, and optical ele...
Patent number
9,376,339
Issue date
Jun 28, 2016
Sumita Optical Glass, Inc.
Tatsuya Tezuka
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Optical glass, preform for precision press molding, and optical ele...
Patent number
9,376,340
Issue date
Jun 28, 2016
Sumita Optical Glass, Inc.
Tatsuya Tezuka
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method of manufacturing light-emitting device
Patent number
9,315,416
Issue date
Apr 19, 2016
Toyoda Gosei Co., Ltd.
Seiji Yamaguchi
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Helmet-mounted light
Patent number
D753858
Issue date
Apr 12, 2016
SUMITA OPTICAL GLASS, INC.
Eiji Ototsuki
D26 - Lighting
Information
Patent Grant
Helmet-mounted light
Patent number
D753859
Issue date
Apr 12, 2016
SUMITA OPTICAL GLASS, INC.
Eiji Ototsuki
D26 - Lighting
Information
Patent Grant
Helmet-mounted light
Patent number
D753857
Issue date
Apr 12, 2016
SUMITA OPTICAL GLASS, INC.
Eiji Ototsuki
D26 - Lighting
Information
Patent Grant
Solid element device and method for manufacturing the same
Patent number
8,685,766
Issue date
Apr 1, 2014
Toyoda Gosei Co., Ltd.
Yoshinobu Suehiro
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Light-emitting device, light source and method of manufacturing the...
Patent number
8,545,083
Issue date
Oct 1, 2013
Sumita Optical Glass, Inc.
Tohru Terajima
G02 - OPTICS
Information
Patent Grant
Optical device and method for making the same
Patent number
8,490,431
Issue date
Jul 23, 2013
Toyoda Gosei Co., Ltd.
Kazuya Aida
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Optical glass and optical element
Patent number
8,399,369
Issue date
Mar 19, 2013
SUMITA OPTICAL GLASS, INC.
Yoshinori Yamamoto
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Solid element device and method for manufacturing the same
Patent number
8,154,047
Issue date
Apr 10, 2012
Toyoda Gosei Co., Ltd.
Yoshinobu Suehiro
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing light-emitting device
Patent number
8,101,441
Issue date
Jan 24, 2012
Sumita Optical Glass, Inc.
Kazuya Aida
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Solid state device
Patent number
7,999,398
Issue date
Aug 16, 2011
Toyoda Gosei Co., Ltd.
Masaaki Ohtsuka
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method of making phosphor containing glass plate, method of making...
Patent number
7,989,236
Issue date
Aug 2, 2011
Toyoda Gosei Co., Ltd.
Seiji Yamaguchi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Optical glass for precision molding having high refractive index
Patent number
7,943,540
Issue date
May 17, 2011
SUMITA OPTICAL GLASS, INC.
Yoshinori Yamamoto
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Solid-state element device and light-emitting apparatus using same
Patent number
7,825,575
Issue date
Nov 2, 2010
Sumita Optical Glass, Inc.
Naruhito Sawanobori
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Solid element device and method for manufacturing the same
Patent number
7,824,937
Issue date
Nov 2, 2010
Toyoda Gosei Co., Ltd.
Yoshinobu Suehiro
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Solid-state optical device
Patent number
7,667,223
Issue date
Feb 23, 2010
Toyoda Gosei Co., Ltd.
Yoshinobu Suehiro
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
White light-emitting device using fluorescent fiber
Patent number
7,505,655
Issue date
Mar 17, 2009
Sumita Optical Glass, Inc.
Masaaki Yamazaki
G02 - OPTICS
Information
Patent Grant
Solid-state optical device
Patent number
7,470,926
Issue date
Dec 30, 2008
Toyoda Gosei Co., Ltd.
Yoshinobu Suehiro
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Light emitting device
Patent number
7,319,289
Issue date
Jan 15, 2008
Toyoda Gosei Co., Ltd.
Yoshinobu Suehiro
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical glass for precision molding
Patent number
7,312,169
Issue date
Dec 25, 2007
Sumita Optical Glass, Inc.
Yoshinori Yamamoto
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
White light-emitting device using fluorescent fiber
Patent number
7,277,618
Issue date
Oct 2, 2007
Sumita Optical Glass, Inc.
Masaaki Yamazaki
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
OPTICAL GLASS, PREFORM FOR PRECISION PRESS MOLDING, AND OPTICAL ELE...
Publication number
20230391660
Publication date
Dec 7, 2023
Sumita Optical Glass, Inc.
Tatsuya TEZUKA
C03 - GLASS MINERAL OR SLAG WOOL
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
MULTICOMPONENT OXIDE GLASS, OPTICAL ELEMENT, OPTICAL FIBER, AND MET...
Publication number
20220396521
Publication date
Dec 15, 2022
Sumita Optical Glass, Inc.
Dai ANZAI
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
X-RAY SHIELDING GLASS AND GLASS COMPONENT
Publication number
20220289619
Publication date
Sep 15, 2022
Sumita Optical Glass, Inc.
Yoshinori YAMAMOTO
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Application
RELAY OPTICAL SYSTEM FOR RIGID ENDOSCOPE
Publication number
20210349304
Publication date
Nov 11, 2021
Sumita Optical Glass, Inc.
Hiroki WATANABE
G02 - OPTICS
Information
Patent Application
PRECURSOR GLASS OF LITHIUM PHOSPHORUS COMPLEX OXIDE AND METHOD OF P...
Publication number
20200369521
Publication date
Nov 26, 2020
Sumita Optical Glass, Inc.
Tatsuya TEZUKA
C03 - GLASS MINERAL OR SLAG WOOL
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
FLEXIBLE ENDOSCOPE, AND ENDOSCOPE SYSTEM EQUIPPED WITH SAME
Publication number
20200015671
Publication date
Jan 16, 2020
OSAKA UNIVERSITY
Keita Okayama
G02 - OPTICS
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
Information
Patent Application
Method of Producing LTP or LATP Crystal Particle
Publication number
20180105450
Publication date
Apr 19, 2018
Sumita Optical Glass, Inc.
Tatsuya TEZUKA
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
Optical System
Publication number
20150370019
Publication date
Dec 24, 2015
Sumita Optical Glass, Inc.
Hiroki WATANABE
G02 - OPTICS
Information
Patent Application
Optical Glass, Preform for Precision Press Molding, and Optical Ele...
Publication number
20150299030
Publication date
Oct 22, 2015
Sumita Optical Glass, Inc.
Tatsuya TEZUKA
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
Optical Glass, Preform for Precision Press Molding, and Optical Ele...
Publication number
20150259242
Publication date
Sep 17, 2015
Sumita Optical Glass, Inc.
Tatsuya TEZUKA
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
SOLID ELEMENT DEVICE AND METHOD FOR MANUFACTURING THE SAME
Publication number
20120171789
Publication date
Jul 5, 2012
SUMITA OPTICAL GLASS INC.
Yoshinobu Suehiro
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method of manufacturing light-emitting device
Publication number
20120067085
Publication date
Mar 22, 2012
Sumita Optical Glass, INC.
Seiji Yamaguchi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Optical glass and optical element
Publication number
20110160032
Publication date
Jun 30, 2011
Sumita Optical Glass, Inc.
Yoshinori Yamamoto
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
Light-emitting device, light source and method of manufacturing the...
Publication number
20110149594
Publication date
Jun 23, 2011
Sumita Optical Glass, Inc.
Tohru Terajima
G02 - OPTICS
Information
Patent Application
Solid element device and method for manufacturing the same
Publication number
20110101399
Publication date
May 5, 2011
Toyoda Gosei Co., Ltd.
Yoshinobu Suehiro
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method of manufacturing light-emitting device
Publication number
20100203658
Publication date
Aug 12, 2010
SUMITA OPTICAL GLASS, INC.
Kazuya Aida
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method of making phosphor containing glass plate, method of making...
Publication number
20090186433
Publication date
Jul 23, 2009
Toyoda Gosei Co., Ltd.
Seiji Yamaguchi
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Solid-state optical device
Publication number
20090078959
Publication date
Mar 26, 2009
Toyoda Gosei Co., Ltd.
Yoshinobu Suehiro
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Optical device and method for making the same
Publication number
20080068845
Publication date
Mar 20, 2008
Toyoda Gosei Co., Ltd.
Kazuya Aida
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Solid state device
Publication number
20080029780
Publication date
Feb 7, 2008
Toyoda Gosei Co., Ltd.
Masaaki Ohtsuka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
WHITE LIGHT-EMITTING DEVICE USING FLUORESCENT FIBER
Publication number
20070229938
Publication date
Oct 4, 2007
Sumita Optical Glass, Inc.
Masaaki Yamazaki
G02 - OPTICS
Information
Patent Application
MULTIPLE WAVELENGTH LASER LIGHT SOURCE USING FLUORESCENT FIBER
Publication number
20070121684
Publication date
May 31, 2007
Sumita Optical Glass, Inc.
Masaaki Yamazaki
G02 - OPTICS
Information
Patent Application
WHITE LIGHT-EMITTING DEVICE USING FLUORESCENT FIBER
Publication number
20070122103
Publication date
May 31, 2007
Sumita Optical Glass, Inc.
Masaaki Yamazaki
G02 - OPTICS
Information
Patent Application
Solid-state element device and light-emitting apparatus using same
Publication number
20070064131
Publication date
Mar 22, 2007
Sumita Optical Glass, Inc.
Naruhito Sawanobori
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Solid-state optical device
Publication number
20060049421
Publication date
Mar 9, 2006
Toyoda Gosei Co., Ltd.
Yoshinobu Suehiro
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Optical glass for precision molding
Publication number
20050192174
Publication date
Sep 1, 2005
Sumita Optical Glass, Inc.
Yoshinori Yamamoto
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
Optical glass for precision molding
Publication number
20050159290
Publication date
Jul 21, 2005
Sumita Optical Glass, Inc.
Yoshinori Yamamoto
C03 - GLASS MINERAL OR SLAG WOOL
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