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Masakazu KIYAMA
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Minato-ku, JP
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Patents Grants
last 30 patents
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Patent Grant
Acoustic system
Patent number
9,980,041
Issue date
May 22, 2018
Nippon Sheet Glass Environment Amenity Co., Ltd.
Fukushi Kawakami
E04 - BUILDING
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Patent Grant
Sound absorbing panel and soundproof wall equipment
Patent number
9,915,066
Issue date
Mar 13, 2018
NIPPON SHEET GLASS ENVIRONMENT AMENITY CO., LTD.
Yasushi Hoshino
E04 - BUILDING
Patents Applications
last 30 patents
Information
Patent Application
SOUND ABSORBING PANEL AND SOUNDPROOF WALL EQUIPMENT
Publication number
20160340896
Publication date
Nov 24, 2016
Nippon Sheet Glass Environment Amenity Co., Ltd.
Yasushi Hoshino
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Application
ACOUSTIC SYSTEM
Publication number
20150055790
Publication date
Feb 26, 2015
Nippon Sheet Glass Environment Amenity Co., Ltd.
Fukushi KAWAKAMI
H04 - ELECTRIC COMMUNICATION TECHNIQUE