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Otsuka; Michio
Tokyo, JP
No. of patents:

Patent Number Title Of Patent Date Issued
6725657 Power transmission device April 27, 2004
The present invention relates to a power transmission apparatus for transmitting power by utilizing kinetic energy of a fluid, such as a torque converter, a fluid coupling, or the like. In a power transmission apparatus for taking out kinetic energy given to a fluid for power transmi
4947611 A wall material, and method of preparing a wall material of soils and vegetable materials August 14, 1990
A wall board structure is formed of one of pulverized straw, pulverized chaff and pulverized palm material having a maximum dimension of from 1 to 3 mm. The pulverized material is mixed with a substantially equal quantity of clay. A fibrous material is added to the mixture, the fibrous m

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