Hitachi, Ltd.

Tomoegawa Paper Co., Inc.

Shiseido Company, Limited

Takao Higashi

Katsumi Miyazaki

Yasuo Kobayashi

Akinori Sei

Churyo Kodama

Masami Yanagisawa

Yasuo Hirasawa

Fumio Kawamura

Kenichi Tomita

Masaru Suetsugu

Minoru Fukuda

Taisuke Hirota

Naoki Hagiwara

Norimichi Koizumi

A lighting lamp having a display sheet laminated on the surface of a bulb thereof, said display sheet comprising a support having laminated thereon a light-susceptible layer including an active layer containing at least one of a dye and a pigment capable of coloring, fading, or discoloring by the action of an active light and an adhesive layer formed on the surface of the light-susceptible layer such that the portion corresponding to at least the display portion thereof is exposed, and being laminated on the surface of the bulb by the adhesive layer.

Lighting lamp

A lighting lamp is disclosed, comprising a lamp having laminated on the surface of a bulb thereof a display sheet, said display sheet comprising a support having thereon an active layer containing a pigment which is faded by the action of an active light and an active light-adjusting layer.

UV-ray sensitive composition and element for measuring UV-ray dose

Growing community of inventors

Tokyo, Japan

Takao Higashi