Inventor
MIYAJI NAOTAKA
8 patents
Patents
8 patentsUS4696043ASep 22, 1987
Microphone apparatus having a variable directivity pattern
VICTOR COMPANY OF JAPAN79 citations96
US4559642ADec 17, 1985
Phased-array sound pickup apparatus
VICTOR COMPANY OF JAPAN56 citations96
US4521908AJun 4, 1985
Phased-array sound pickup apparatus having no unwanted response pattern
VICTOR COMPANY OF JAPAN93 citations96
US4399327AAug 16, 1983
Variable directional microphone system
VICTOR COMPANY OF JAPAN62 citations95
US4354059AOct 12, 1982
Variable-directivity microphone device
VICTOR COMPANY OF JAPAN50 citations92
US4308425ADec 29, 1981
Variable-directivity microphone device
VICTOR COMPANY OF JAPAN65 citations90
US4041256AAug 9, 1977
Open-back type headphone with a detachable attachment
VICTOR COMPANY OF JAPAN45 citations90
US4412097AOct 25, 1983
Variable-directivity microphone device
VICTOR COMPANY OF JAPAN13 citations73