Matsushita Electric Industrial Co., Ltd.

Isao Sumita

Takashi Suzuki

Akihiro Imai

Motoi Kitano

Yukio Sakamoto

A thin film type magnetic recording medium having a coating of ultraviolet ray setting epoxy resin containing a lubricant at least on one major surface. Degradation of resistance to wear may be minimized and stable recording and reproduction characteristics may be ensured even at high temperatures and at high humidity.

Magnetic recording medium

In a reverse osmosis membrane of the structure of Loeb's membrane for use to purify sea-water into plain water, the membrane comprises a skin layer as an active layer and a gel layer to support the skin layer, wherein

Reverse osmosis membrane

There is provided a high polymer electret mainly composed of at least one member of a group consisting of poly-3,3-bis(chloromethyl)oxacyclobutane, poly-3,3-bis-(fluoromethyl)oxacyclobutane and poly-3,3-bis(bromoethyl)oxacyclobutane.

Growing community of inventors

Toyonaka, Japan

Isao Sumita