Taiho Industries Co., Ltd.

Akira Miyagi

Takaaki Katakura

Kiyoshi Okamura

Atsushi Ikeda

Yasuo Takamura

Masaharu Shimizu

Sousaburo Ohara

Nobuyasu Ochiai

Fujio Ishizawa

Sousaburou Ohara

Takashi Fukuchi

A surface treating device includes a material of sponge or brush fur that constitutes a treating portion, a plastic holder having a fitting groove, and a pair of plastic plates having inside clamping structures. The pair of plastic plates with one end of the material clamped between the inside clamping structures thereof are forced into and fixed in the fitting groove of the plastic holder.

Surface treating device

A surface treating device includes a material that constitutes a treating portion of a continuously foamed body coated with a fibrous film, a holder that has a base for supporting the treating portion thereon and an annular groove provided in an inside peripheral surface thereof with an engaging structure, and an annular engaging member that has a distal end forcibly fitting an end of the treating portion into the annular groove of the holder to support the treating portion on and fix it integrally to the base.

A fingerprint detecting agent and a fingerprint detecting method using the agent, which can be used to detect latent fingerprints being in a wet condition, the fingerprint detecting agent includes a fixer containing silicone series compound, fluoride series compound, hydrocarbon series compound, animal or vegetable oil, higher fatty acid, or higher alcohol, and an arbitrary mixture thereof; a diluent containing polar soluent; a developer containing achromatic colored powder or chromatic colored powder. Latent fingerprints can be easily detected by spraying the fingerprint detecting agent; particularly, even if the latent fingerprints to be detected are in a wet condition, it is possible to detect them speedily and certainly.

Fingerprint developing agent and method for developing fingerprints

Growing community of inventors

Tokyo, Japan

Akira Miyagi