Inventor
TAKAGAKI HIROKAZU
JP7 patents
Patents
7 patentsUS6889043B2May 3, 2005
Method of controlling a communication terminal having a plurality of functions, communication terminal apparatus, communication control system
SONY CORP55 citations95
US7130631B2Oct 31, 2006
Method of controlling a communication terminal having a plurality of functions, communication terminal apparatus, communication control system
SONY CORP16 citations92
US6871048B2Mar 22, 2005
Mobil communication apparatus and information providing system using the mobile communication apparatus
SONY CORP37 citations90
US6987970B2Jan 17, 2006
Method of controlling a communication terminal having a plurality of functions, communication terminal apparatus, communication control system
SONY CORP8 citations73
US7162240B2Jan 9, 2007
Method of controlling a communication terminal having a plurality of functions, communication terminal apparatus, communication control system
SONY CORP3 citations62
US7139572B2Nov 21, 2006
Method of controlling a communication terminal having a plurality of functions, communication terminal apparatus, communication control system
SONY CORP3 citations62
US6054933AApr 25, 2000
Pager with handwritten input transmitted as audible DTMF tones
SONY CORP2 citations57