Yoshiko Nishikawa

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Nara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sound absorbing body and manufacturing method thereof
- Patent number 9,230,533
- Issue date Jan 5, 2016
- Yukihiro Nishikawa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Sound absorbing body
- Patent number 8,443,935
- Issue date May 21, 2013
- Yukihiro Nishikawa
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
SOUND ABSORBING BODY AND MANUFACTURING METHOD THEREOF
- Publication number 20120146259
- Publication date Jun 14, 2012
- Yukihiro Nishikawa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
SOUND ABSORBING BODY
- Publication number 20120145479
- Publication date Jun 14, 2012
- Yukihiro Nishikawa
- G10 - MUSICAL INSTRUMENTS ACOUSTICS