Matsushita Electric Industrial Co., Ltd.

Takumi Kida

Kazuyuki Hamada

Hiroshi Tatsui

Yasuhito Takahashi

Katutosi Tusima

Yuko Ishii

A clear ice making apparatus includes: a freezing space; a tray placed in the freezing space and having a lower temperature at a bottom part thereof than at an upper part thereof; and a water supply unit of supplying water to the tray from the top thereof, in which ice is made at an ice making rate of 5 &#x3bc;m/s or lower, a part of a liquid-phase section of water in the tray which part is in contact with atmosphere is frozen to complete the ice making, the liquid-phase section of water is not entirely supercooled before the ice making is completed, and the concentration of air in the liquid-phase section of water in the tray is equal to or lower than an excessive concentration of air.

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Nara, Japan

Takumi Kida