Akio Yamamoto

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Patents Grantslast 30 patents

Information Patent Grant
Method of fabricating bow stick of stringed instrument and bow stic...
- Patent number 9,311,902
- Issue date Apr 12, 2016
- Yamaha Corporation
- Akio Yamamoto
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Stick of string instrument bow, string instrument bow and methods o...
- Patent number 8,383,921
- Issue date Feb 26, 2013
- Yamaha Corporation
- Akio Yamamoto
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF FABRICATING BOW STICK OF STRINGED INSTRUMENT AND BOW STIC...
- Publication number 20160111068
- Publication date Apr 21, 2016
- Yamaha Corporation
- Akio Yamamoto
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
METHOD OF FABRICATING BOW STICK OF STRINGED INSTRUMENTAND BOW STICK...
- Publication number 20130111757
- Publication date May 9, 2013
- Yamaha Corporation
- Akio Yamamoto
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
STICK OF STRING INSTRUMENT BOW, STRING INSTRUMENT BOW AND METHODS O...
- Publication number 20110247475
- Publication date Oct 13, 2011
- Yamaha Corporation
- Akio Yamamoto
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL