Sony Corporation

Sony Group Corporation

Sony Mobile Communications Inc.

Sony Mobile Communications Ab

Sony Ericsson Mobile Communications Japan, Inc.

Sony Mobile Communications Japan, Inc.

Tetsuro Inukai

Takashi Hasegawa

Kazuhiro Kondo

Tatsuhiko Nishimura

Masatoshi Inagawa

Daisuke Matsui

A mobile terminal device includes a display section having a display screen, an input section having a touch input region on the display screen, and a control section for displaying a plurality of keys. The display screen is provided as a software keyboard where a touch operation on a specific key causes an input of the specific key. In the specific display region on the display screen that can display operation keys on the software keyboard, the control section selects these keys from a previously prepared set of input candidate key groups. In response to a specific operation on the specific display region, the control section allows the plurality of keys to be displayed on the specific display region. In response to touch on a desired key in the specific display region, the control section determines that an input of the key has been performed.

Mobile terminal device and input device

A communication terminal apparatus includes: a communication unit performing communication; a storage unit collecting and storing history information on communication; a registration unit registering at least communication address information on communicating parties and image information that represents the communicating parties; a display unit displaying images, which represent the registered communicating parties, on a display screen; and an arrangement position determining unit determining arrangement positions of the images, which represent the communicating parties, based on the history information on communication with the communicating parties.

Communication terminal apparatus and computer program

Growing community of inventors

Tokyo, Japan

Tetsuro Inukai