Tetsuo Akutsu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
Abstract: Where a super-elastic alloy is used as a core material, boundary separation can be prevented on substantial deflection. The super-elastic alloy is used as the core material, an outside layer made with fiber-reinforced resin is provided outside except the tip part region of the core material, and a resin-rich layer greater in resin ratio than the outside layer is provided between the outside layer and the core material so as to be adjacent to the core material.
Abstract: Where a super-elastic alloy is used as a core material, boundary separation can be prevented on substantial deflection. The super-elastic alloy is used as the core material, an outside layer made with fiber-reinforced resin is provided outside except the tip part region of said core material, and a resin-rich layer greater in resin ratio than said outside layer is provided between said outside layer and the core material so as to be adjacent to the core material.
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