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Masuhiro Okada
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Hamamatsu, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Drum pad and manufacturing method thereof
Patent number
7,816,597
Issue date
Oct 19, 2010
Yamaha Corporation
Masuhiro Okada
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Sound absorbing body
Patent number
7,416,773
Issue date
Aug 26, 2008
Yamaha Corporation
Kunio Hiyama
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Microreactor and substance production method therewith
Patent number
7,111,466
Issue date
Sep 26, 2006
Yamaha Corporation
Hiroyuki Yamashita
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Carbodiimide treated carbon fiber and use thereof
Patent number
5,318,847
Issue date
Jun 7, 1994
Yamaha Corporation
Toshiharu Fukushima
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for producing a hollow FRP article
Patent number
5,262,118
Issue date
Nov 16, 1993
Yamaha Corporation
Toshihari Fukushima
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
DRUM PAD AND MANUFACTURING METHOD THEREOF
Publication number
20090241754
Publication date
Oct 1, 2009
Yamaha Corporation
Masuhiro OKADA
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
Sound absorbing body
Publication number
20080093164
Publication date
Apr 24, 2008
Kunio Hiyama
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
Microreactor and substance production method therewith
Publication number
20050076651
Publication date
Apr 14, 2005
Hiroyuki Yamashita
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL