Hitachi Heating Appliances Co., Ltd.

Sho-bond Construction Co., Ltd.

Tatsuro Yoshinaga

Akio Mitomo

Hisae Takahashi

A luminous indicating device and comprising at least one luminous block adapted to be buried in a road surface so that a radiating surface thereof is flush with the road surface. The luminous block is formed of a composite material block and at least one luminous element which is formed of a transparent material block and a light source buried at one end portion of the block to radiate light from the other end surface of the block. The luminous block is buried in the composite material block so that the other end surface of said transparent material block is flush with a top surface of the composite material block.

Growing community of inventors

Ageo, Japan

Tatsuro Yoshinaga