1
Tadahiko Akiyama, Yoshio Otsuka: Personal-signaling communication system. Nippo Communication Industrial, Antonelli Terry & Wands, July 14, 1987: US04680785 (246 worldwide citation)

A personal-call communication system wherein a personal identification number is assigned to each telephone user, and an arbitrary person is called by wireless by dialing a corresponding personal calling number. The called person sets an ID-card-type portable device memorizing one's own personal ide ...


2
Tadahiko Akiyama: Personal-servicing communication system. Nippo Communication Industrial, Antonelli Terry & Wands, July 19, 1988: US04759056 (122 worldwide citation)

A communication system offering specific services to specific persons bears a portable memory device with a record of personal information such as the bearer's identification number, class of service, personal data, etc. In making a call, the bearer of the memory device puts it on a communication te ...


3
Tadahiko Akiyama: Communication system with voice announcement means. Nippo Communication Industrial Co, Antonelli Terry & Wands, January 19, 1988: US04720848 (81 worldwide citation)

A communication system renders improved service for users by announcing in a vocal message information about the call such as the called person's name, calling person's name and class of urgency of the call during the phase or ring. For paging the called person's name, a directory number assigned to ...


4
Akira Obata, Takashi Saito: Push button body for a push-button switch providing snap-action of the switch. Nippo Communication Industrial, Craig & Antonelli, January 13, 1976: US03932722 (67 worldwide citation)

A push button of rubber or other resilient material for use with a push-button switch and comprising a hollow tilting wall of a mesa shape. The tilting wall of the resilient push button serving as an operating portion is constructed such that its thickness gradually decreases in going from an upper ...


5
Tadahiko Akiyama: Personal-servicing communication system. Nippo Communication Industrial, Antonelli Terry Stout & Kraus, October 6, 1992: US05153906 (20 worldwide citation)

A communication system offering specific services to specific persons bears a portable memory device with a record of personal information such as the bearer's identification number, class of service, personal data, etc. In making a call, the bearer of the memory device puts it on a communication te ...