Inventor
YAMATANI WATARU
7 patents
Patents
7 patentsUS5222099AJun 22, 1993
Spread spectrum signal receiving apparatus
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US4058771ANov 15, 1977
Double-balanced frequency converter
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US7269447B2Sep 11, 2007
Portable telephone terminal and power supply method
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US5247496ASep 21, 1993
Recording and/or reproducing apparatus for using magneto-optical disc
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USRE35608ESep 16, 1997
Recording and/or reproducing apparatus for using magneto-optical disc
SONY CORP4 citations60
US4048569ASep 13, 1977
Receiver automatic gain control system
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US4059802ANov 22, 1977
Input level display circuit for receivers
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