Patents by Inventor Taisuke Nagashima

Taisuke Nagashima 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).

  • Coupling member, method for producing coupling member, and wooden member joint structure
    Patent number: 9739299
    Abstract: Disclosed is a coupling member that enables a joint between a wooden member and a mating member to absorb vibration energy, and a method for producing the same and a joint structure using the same. The metal coupling member is embedded in the wooden member. The wooden member is connected with a mating member by the coupling member. The coupling member includes a metal rod-like main body portion to be embedded in the wooden member, and an inner rod portion protruding from the main body portion. The inner rod portion axially extends from a protruding portion thereof to a predetermined depth in the main body portion, has a periphery separated from the main body portion to allow axial displacement of the inner rod portion relative to the main body portion, and is integrally connected to the main body portion at the deepest part thereof.
    Type: Grant
    Filed: August 4, 2014
    Date of Patent: August 22, 2017
    Assignee: Sumitomo Forestry Co., Ltd.
    Inventors: Taisuke Nagashima, Takayuki Masuko, Hiroki Kagei, Hiroki Nakashima
  • Coupling Member, Method for Producing Coupling Member, and Wooden Member Joint Structure
    Publication number: 20150043966
    Abstract: Disclosed is a coupling member that enables a joint between a wooden member and a mating member to absorb vibration energy, and a method for producing the same and a joint structure using the same. The metal coupling member is embedded in the wooden member. The wooden member is connected with a mating member by the coupling member. The coupling member includes a metal rod-like main body portion to be embedded in the wooden member, and an inner rod portion protruding from the main body portion. The inner rod portion axially extends from a protruding portion thereof to a predetermined depth in the main body portion, has a periphery separated from the main body portion to allow axial displacement of the inner rod portion relative to the main body portion, and is integrally connected to the main body portion at the deepest part thereof.
    Type: Application
    Filed: August 4, 2014
    Publication date: February 12, 2015
    Inventors: Taisuke Nagashima, Takayuki Masuko, Hiroki Kagei, Hiroki Nakashima