Isao Yamamuro

Follow

Person

Tokorozawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Mechanical two-way loudspeaker
- Patent number 4,477,699
- Issue date Oct 16, 1984
- Pioneer Electronic Corporation
- Yasumitsu Wada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Loudspeaker system
- Patent number 4,472,834
- Issue date Sep 18, 1984
- Pioneer Electronic Corporation
- Isao Yamamuro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Diaphragm for acoustic instruments and method of manufacturing the...
- Patent number 4,351,412
- Issue date Sep 28, 1982
- Pioneer Electronic Corporation
- Isao Yamamuro
- G10 - MUSICAL INSTRUMENTS ACOUSTICS