Fujitsu Semiconductor Limited

Kato Hatsujo Kaisha, Ltd.

Japan Transport Engineering Company

Kenji Hashimoto

Kazutoshi Ohta

Takeshi Ishikawa

Shigeki Matsuoka

Naoki Kawada

Ai Masuda

Friction stir welding tool

An electro-static discharge protection circuit includes: a PNPN junction, a P-type side of the PNPN junction being coupled to a terminal, an N-type side of the PNPN junction being coupled to ground; and a P-type metal oxide semiconductor transistor, a source and a gate of the P-type metal oxide semiconductor transistor being coupled to an N-type side of a PN junction whose P-type side coupled to the ground, and a drain of the P-type metal oxide semiconductor transistor being coupled to the terminal.

Electro-static discharge protection circuit and semiconductor device

A fiber-reinforced resin coil spring impregnated with thermosetting resin which comprises a resin-impregnated and twisted rod-shaped fiber bundle formed by bundling a plurality of fiber wire blanks made of glass or carbon, immersing the fiber bundle and twisting the rod-shaped fiber bundle in a thermosetting resin, and forming coiled twisted rod-shaped fiber bundle from the resin-immersed and twisted rod-shaped fiber bundle. Thus, the resin coil spring incorporates large elastic energy and high load withstanding capability due to the twisting of the fiber bundle.

Fiber-reinforced resin coil spring and method of manufacturing the same

Growing community of inventors

Yokohama, Japan

Kenji Hashimoto