Inventor
AKAHANE MASAAKI
US12 patents
Patents
12 patentsUS6226533B1May 1, 2001
Voice messaging transceiver message duration indicator and method
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US5794139AAug 11, 1998
Automatic generation of private authentication key for wireless communication systems
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US5737394AApr 7, 1998
Portable telephone apparatus having a plurality of selectable functions activated by the use of dedicated and/or soft keys
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US5583965ADec 10, 1996
Methods and apparatus for training and operating voice recognition systems
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US5524135AJun 4, 1996
Method and apparatus for secure downloading of operational information into a wireless communications device
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US5881104AMar 9, 1999
Voice messaging system having user-selectable data compression modes
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US5697060ADec 9, 1997
Portable voice message terminal capable of transmitting pre-set text-based information
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US5654942AAug 5, 1997
Wireless voice messaging device for use with cassette player
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USH1772HJan 5, 1999
System and method for transmitting information from a paging device to a receiver
SONY CORP20 citations92
US5708698AJan 13, 1998
Method for trimming and/or replacing a portion of a received voice message
SONY CORP20 citations92
US5960363ASep 28, 1999
Tone generating apparatus for a cellular telephone to simulate tones normally sensed by a user of a land-line telephone
SONY CORP44 citations91
US7542760B2Jun 2, 2009
Wireless communication system, wireless communication control method, wireless communication apparatus, method of controlling the wireless communication apparatus, and computer program
SONY CORP5 citations62