Abstract: [Subject] To provide a rechargeable battery type chair warming method, a rechargeable battery type chair warming device and a rechargeable battery type heatable chair that enables warming of chairs and wheelchairs used at schools, arenas, or camping sites by attaching a rechargeable battery by individuals who use the chairs, respectively. [Resolution Means] A heat generating unit is placed in a seat and/or back seat rest of a chair, and if an individual who uses the chair attaches a rechargeable battery to a power supply unit, power is supplied from the rechargeable battery, and the heat generating unit can be warmed up. The heat generating unit is structured by covering a heating element with a thermal conduction material, and the heat generating unit is attached to an existing chair or is originally incorporated into a seat or a back seat rest of a chair. The power supply can include a power switch and a volume control for temperature control in addition to a socket for attaching a rechargeable battery.

Abstract: To provide luminescent accessories, a luminescent clothing fiber and luminescent clothing using those, which exhibit originality to freely demonstrate individual characteristics by each wearer without sticking to a design of clothing itself, and which enable the differentiation from other clothing. [The present invention] is luminescent accessories to be attached to clothing, such as Western clothes, a kimono or an obi, and has a structure comprising an attachment part, a power source and a luminous object connected to the power source. Further, [the present invention] is a fiber to be woven into clothing fibers, such as Western clothes, a kimono or an obi, that comprises an optical fiber, and that has a structure where at least one or more light escaping parts are established at predetermined sections of the optical fiber. It is possible to create any variety of luminescent clothing from these luminescent accessories and luminescent fibers.