Nihon Kohden Corporation

Honda Motor Co., Ltd.

Alps Alpine Co., Ltd.

Masashi Sato

Mitsuhiro Oura

Kazuya Nagase

Wataru Matsuzawa

Sou Kumagai

Nobuyuki Yasumaru

Shuko Kawamura

Hiroshi Torigai

Yutaka Uchiyama

Takehiro Iwabuchi

Daichi Suto

Takuya Aizawa

An authentication system includes: a first communication device including: a first transmitting part configured to communicate in a first frequency band; and a first transmitting-and-receiving part configured to communicate in a second frequency band; and a second communication device including: a first receiving part configured to communicate in the first frequency band; and a second transmitting-and-receiving part configured to communicate in the second frequency band, and, in this authentication system, the first communication device transmits a command in the first frequency band from the first transmitting part, and, upon receipt of the command by the first receiving part, the second communication device activates the second transmitting-and-receiving part, generates an authentication key for a response signal, and transmits the response signal including the generated authentication key in the second frequency band, from the second communication device.

Authentication system, in-vehicle authentication system, and authentication method

Medical monitoring device

An automated external defibrillator includes a first pad at least partially colored in a first color, a second pad at least partially colored in a second color, and a main unit to which the first pad and the second pad are connected. The main unit has a first guidance surface that indicates how to attach of the first pad and the second pad. The first guidance surface has a first marker in the first color at a position corresponding to an attachment position of the first pad and a second marker in the second color at a position corresponding to an attachment position of the second pad.

Automated external defibrillator

Defibrillator paddle

Growing community of inventors

Tokyo, Japan

Masashi Sato