Akihiko Sugikawa

Electronic still camera and image recording method thereof

Electronic still camera with improved picture resolution by image shifting in a parallelogram arrangement

Electronic still camera with various modes of data compression

Communication control apparatus and method

Short range radio communication system with using improved authentication scheme

Information providing apparatus, information receiver, information providing program, information receiving program and wireless communication apparatus

Service providing apparatus, service providing program and service providing method

Authentication processing system, terminal authentication apparatus, authentication processing method and authentication processing program

Wireless communication device, portable terminal, communication control program and communication system

Information exchange device and cash register system