Inventor
NAKAYA TAKAO
9 patents
⚠️ This page may combine multiple inventors who share the name “NAKAYA TAKAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON MUSICAL INSTRUMENTS MFG
8 patentsUS4472604ASep 18, 1984
Planar type electro-acoustic transducer and process for manufacturing same
NIPPON MUSICAL INSTRUMENTS MFG68 citations96
US4410768AOct 18, 1983
Electro-acoustic transducer
NIPPON MUSICAL INSTRUMENTS MFG83 citations96
US4337379AJun 29, 1982
Planar electrodynamic electroacoustic transducer
NIPPON MUSICAL INSTRUMENTS MFG60 citations95
US4609786ASep 2, 1986
Band and the headphone utilizing the same
NIPPON MUSICAL INSTRUMENTS MFG91 citations94
US4315557AFeb 16, 1982
Diaphragm for electro-acoustic transducer
NIPPON MUSICAL INSTRUMENTS MFG32 citations92
US4027113AMay 31, 1977
Headphone
NIPPON MUSICAL INSTRUMENTS MFG79 citations91
US4344503AAug 17, 1982
Diaphragm for electro-acoustic transducer
NIPPON MUSICAL INSTRUMENTS MFG25 citations82
US4413161ANov 1, 1983
Electro-acoustic transducer
NIPPON MUSICAL INSTRUMENTS MFG20 citations79