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Tomoyuki Fujita
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Sakura-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical fiber protection structure and method of manufacturing opti...
Patent number
11,061,189
Issue date
Jul 13, 2021
Fujikura Ltd.
Hiroto Nakazato
G02 - OPTICS
Information
Patent Grant
Optical device
Patent number
10,942,311
Issue date
Mar 9, 2021
Fujikura Ltd.
Tomoyuki Fujita
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical fiber protection structure and optical combiner structure u...
Patent number
10,690,872
Issue date
Jun 23, 2020
Fujikura Ltd.
Tomoyuki Fujita
G02 - OPTICS
Information
Patent Grant
Optical device, laser system, and method for manufacturing optical...
Patent number
10,627,573
Issue date
Apr 21, 2020
Fujikura Ltd.
Tomoyuki Fujita
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical coupler, laser device, and taper fiber
Patent number
10,073,220
Issue date
Sep 11, 2018
Fujikura Ltd.
Tomoyuki Fujita
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
OPTICAL COMBINER AND LASER APPARATUS
Publication number
20230208109
Publication date
Jun 29, 2023
FUJIKURA LTD.
Ryokichi Matsumoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
OPTICAL COMBINER AND LASER APPARATUS
Publication number
20220276433
Publication date
Sep 1, 2022
FUJIKURA LTD.
Tomoyuki Fujita
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
FIBER LASER, AND METHOD FOR OUTPUTTING LASER LIGHT
Publication number
20220255287
Publication date
Aug 11, 2022
FUJIKURA LTD.
Ryokichi Matsumoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
OPTICAL FIBER PROTECTION STRUCTURE AND METHOD OF MANUFACTURING OPTI...
Publication number
20200292761
Publication date
Sep 17, 2020
FUJIKURA LTD.
Hiroto Nakazato
G02 - OPTICS
Information
Patent Application
OPTICAL DEVICE
Publication number
20200209478
Publication date
Jul 2, 2020
FUJIKURA LTD.
Tomoyuki Fujita
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
OPTICAL DEVICE, LASER SYSTEM, AND METHOD FOR MANUFACTURING OPTICAL...
Publication number
20190146157
Publication date
May 16, 2019
FUJIKURA LTD.
Tomoyuki Fujita
G02 - OPTICS
Information
Patent Application
OPTICAL FIBER PROTECTION STRUCTURE AND OPTICAL COMBINER STRUCTURE U...
Publication number
20190113702
Publication date
Apr 18, 2019
FUJIKURA LTD.
Tomoyuki Fujita
G02 - OPTICS
Information
Patent Application
OPTICAL COUPLER, LASER DEVICE, AND TAPER FIBER
Publication number
20170235055
Publication date
Aug 17, 2017
FUJIKURA LTD.
Tomoyuki Fujita
G02 - OPTICS