Inventor
USHINO TATSUJI
JP7 patents
Patents
7 patentsUS6131048AOct 10, 2000
Communication terminal apparatus and control method thereof
SONY CORP82 citations97
US6223058B1Apr 24, 2001
Communication terminal apparatus and control method thereof
SONY CORP49 citations96
US6198948B1Mar 6, 2001
Communication terminal apparatus and control method thereof
SONY CORP72 citations96
US5999827ADec 7, 1999
Communication terminal apparatus and control method thereof
SONY CORP76 citations96
US5987336ANov 16, 1999
Communication terminal apparatus and control method thereof
SONY CORP76 citations96
US6138039AOct 24, 2000
Communication terminal apparatus and control method thereof
SONY CORP22 citations92
USRE39959EDec 25, 2007
Communication terminal apparatus and control method thereof
SONY CORP10 citations84