Mitsumi Electric Company Ltd.

Aska Pharmaceutical Co., Ltd.

Junichi Watanabe

Kazuo Ike

Morio Kondo

Yuta Ito

Provided is a urination disorder-improving agent useful for treating or improving (or alleviating) a urination disorder regardless of the degree or presence of prostatomegaly. The urination disorder-improving agent contains a 2-oxapregnane compound represented by the following formula (1) as an active ingredient. (In the formula, Rto Rrepresent an alkyl group such as methyl group, Rrepresents an alkylcarbonyl group such as acetyl group, X represents a halogen atom such as a chlorine atom, Y represents a hydroxyl group or oxo group bonded to the 11-position, 15-position, or 16-position of the steroid skeleton.)

Urination disorder-improving agent

In a magnetic head including metal magnetic films in a gap forming part thereof, among track edges included in the gap part of the magnetic head, track edges located on the side where record patterns are overwritten into a recording medium are so formed as to have a cut end face, and a reinforcing glass filled part is provided on the recording medium contact surface of the cut end face.

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Kanagawa, Japan

Junichi Watanabe