Citizen Watch Company, Ltd.

Kazutaka Igarashi

Kenji Shimoda

Yasuo Kitajima

Shinnosuke Sakata

Daisuke Tokunaga

Koki Mine

Yuta Furudate

Provided is a watch, including: an exterior case having electroconductivity; an operating member having electroconductivity, which is inserted into the exterior case through an opening formed through the exterior case, and which is configured to accept an operation performed by a user; and an electrostatic motor including: an electret substrate having an electret surface on which electret films being electrically charged are provided; a counter substrate, on which electrodes to be arranged so as to be opposed to the electret films are provided; and a rotary shaft configured to rotate the electret substrate and the counter substrate relative to each other, wherein the operating member and the exterior case are electrically continuous with each other via a conduction path formed so as to avoid overlapping with the electret surface in plan view.

Growing community of inventors

Kodaira, Japan

Kazutaka Igarashi