Other

Kazuo Ito

Tamotsu Iida

Shigeru Chiba

Yoshiro Yoda

A disc-shaped optical record carrier includes a first area having a spiral track extending in a first direction from an inner side on the disc, and a second area having a spiral track extending in a second direction opposite to the first direction, from an outer side on the disc located on the same plane as the first area on the disc, wherein one of the first and second areas is assigned a recordable area and the other is assigned a read only area.

Optical disc and optical disc drive

A magnetic type agitator, is provided which has a magnetic agitator element disposed in a magnetically permeable vessel, and a magnetic rotating plate rotatably coupled to the bottom of the vessel. The magnetic type agitator is improved according to present invention in that it further includes a thin ultrasonic vibrating element fixed to the bottom of the vessel, the magnetic rotating plate being placed so as to permit the magnetic force from the magnetic rotating plate to effect the magnetic agitator element, thereby permitting simultaneous agitation and ultrasonic vibration of the liquid in the vessel.

Magnetic type agitator which is capable of generating ultrasonic wave

An automobile window opening and closing device comprising a combination of a hand open/close unit and an automatic (power-operated) open/close unit, so that the two units can be selectively operated in a most suitable way according to the situation and conditions for use and so that the two units can complement each other to provide good economical advantage.

Growing community of inventors

Daito, Japan

Kazuo Ito