Hiroyuki Murakami

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Hamamatsu-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sostenuto mechanism for keyboard instrument and keyboard instrument
- Patent number 11,170,742
- Issue date Nov 9, 2021
- Yamaha Corporation
- Hiroyuki Murakami
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Installation structure for acoustic transducer and musical instrument
- Patent number 9,311,905
- Issue date Apr 12, 2016
- Yamaha Corporation
- Hiroyuki Murakami
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Installation structure for acoustic transducer
- Patent number 9,269,335
- Issue date Feb 23, 2016
- Yamaha Corporation
- Kenta Ohnishi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Key drive device and keyboard musical instrument
- Patent number 8,389,834
- Issue date Mar 5, 2013
- Yamaha Corporation
- Hiroyuki Murakami
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Pedaling aid for handicapped musician
- Patent number 7,432,429
- Issue date Oct 7, 2008
- Yamaha Corporation
- Shigeru Muramatsu
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
SOSTENUTO MECHANISM FOR KEYBOARD INSTRUMENT AND KEYBOARD INSTRUMENT
- Publication number 20210264883
- Publication date Aug 26, 2021
- Yamaha Corporation
- Hiroyuki MURAKAMI
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
INSTALLATION STRUCTURE FOR ACOUSTIC TRANSDUCER AND MUSICAL INSTRUMENT
- Publication number 20160035331
- Publication date Feb 4, 2016
- Yamaha Corporation
- Hiroyuki Murakami
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
INSTALLATION STRUCTURE FOR ACOUSTIC TRANSDUCER
- Publication number 20150206514
- Publication date Jul 23, 2015
- Yamaha Corporation
- Kenta Ohnishi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Key Drive Device and Keyboard Musical Instrument
- Publication number 20120174724
- Publication date Jul 12, 2012
- Yamaha Corporation
- Hiroyuki MURAKAMI
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Pedaling aid for handicapped musician
- Publication number 20060112809
- Publication date Jun 1, 2006
- Yamaha Corporation
- Shigeru Muramatsu
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS