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Tokyo, Japan

Tokyo University of Marine Science and Technology is a national university in Japan. The main campus is located in Minato, Tokyo and another campus is in Koto, Tokyo. Wikipedia.


Patent
Tokyo University of Marine Science and Technology | Date: 2010-06-25

There is provided a zero-voltage switching high-frequency inverter capable of supplying a current of a large amplitude operation to a load, while suppressing a main switch current. The zero-voltage switching high-frequency inverter according to the present invention comprises: a first switch S


Patent
Tokyo University of Marine Science and Technology | Date: 2010-06-25

There is provided a zero-voltage switching high-frequency inverter capable of supplying a current of a large amplitude operation to a load, while suppressing a main switch current. The zero-voltage switching high-frequency inverter according to the present invention comprises: a first switch S


Patent
Tokyo University of Marine Science and Technology | Date: 2012-09-14

Problem to be Solved To provide an underwater communication system in which no holes need to be drilled in a shell body of a hermetically-sealed structure whose object is to operate underwater. Solution The underwater communication system includes:


A new supply source of enzymes useful for modification of phospholipids for example, and a method for producing 2-acyl lysophospholipid, a method for producing monoacylglycerol, and a method for producing ceramide, as well as a new method for degumming fat and oil. A novel microorganism is provided, which belongs to


Patent
Tokyo University of Marine Science and Technology | Date: 2013-05-16

Provided is a capsize risk level calculation system which can calculate a capsize risk level providing an index of the capsize risk on an oscillation of hull without using hull information. This system includes an acceleration sensor detecting a reciprocating motion in an up-down direction of a vessel as an oscillation in an up-down direction of a virtual oscillation center axis; an angular velocity sensor detecting a simple pendulum motion in a rolling direction around the vessel center axis as a simple pendulum motion of the vessel COG around the oscillation center axis; and an arithmetic part calculating a capsize risk level from an oscillation radius connecting between the oscillation center axis and the vessel COG, and a capsize limit oscillation radius connecting between the oscillation center axis and the vessel metacenter, which are obtained on the results of detection by the acceleration sensor and the angular velocity sensor.

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