Patents by Inventor Junichiro Maeda

Junichiro Maeda 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).

  • Construction apparatus for building and constructing method therewith
    Patent number: 5417018
    Abstract: An apparatus for constructing a building (K) is disclosed. The building (K) includes a framework constituted of permanent columns (10) and permanent beams (11). The apparatus (S) is provided with a temporary framework, (13) which is constructed and located above the building (K) under construction. Lifting mechanisms (14) for lifting the temporary framework (13) are provided at and supported by the permanent columns (10) of the building (K). Each of the lifting mechanisms (14) is able to lift the lifting mechanism (14) itself along the permanent column (10) of the building (K). A crane (12, 413, 511) is provided at the temporary framework (13) for hoisting and conveying structural elements (U) of the building (K), for example, the permanent columns (10) and beams (11). Alternatively, movable hoists (131, 607) are provided so as to transfer at least under the temporary framework (13).
    Type: Grant
    Filed: August 4, 1993
    Date of Patent: May 23, 1995
    Assignees: Mitsubishi Jukogyo Kabushiki Kaisha, Shimizu Construction Co., Ltd.
    Inventors: Takeji Matsumoto, Hiroki Muramoto, Mitoku Mukaidani, Yasuyuki Hashimoto, Motoetsu Ishii, Hiroshi Kondoh, Nobuhiro Okuyama, Yoshio Abe, Junichiro Maeda, Yoichi Seki, Tadashi Okano, Michio Hakiri, Yoji Moroi, Masaaki Nakanishi, Katuhiro Inada
  • Construction apparatus for buildings and constructing method therewith
    Patent number: 5255489
    Abstract: An apparatus for constructing a building (K) is disclosed. The building (K) includes a framework constituted of permanent columns (10) and permanent beams (11). The apparatus (S) is provided with a temporary framework (13) which is constructed and located above the building (K) under construction. Lifting mechanisms (14) for lifting the temporary framework (13) are provided at and supported by the permanent columns (10) of the building (K). Each of the lifting mechanisms (14) is able to lift the lifting mechanism (14) itself along the permanent column (10) of the building (K). A crane (12, 413, 511) is provided at the temporary framework (13) for hoisting and conveying structural elements (U) of the building (K), for example, the permanent columns (10) and beams (11). Alternatively, movable hoists (131, 607) are provided so as to transfer at least under the temporary framework (13).
    Type: Grant
    Filed: August 9, 1991
    Date of Patent: October 26, 1993
    Assignees: Mitsubishi Jukogyo Kabushiki Kaisha, Shimizu Construction Co., Ltd.
    Inventors: Takeji Matsumoto, Hiroki Muramoto, Mitoku Mukaidani, Yasuyuki Hashimoto, Motoetsu Ishii, Hiroshi Kondoh, Nobuhiro Okuyama, Yoshio Abe, Junichiro Maeda, Yoichi Seki, Tadashi Okano, Michio Hakiri, Yoji Moroi, Masaaki Nakanishi, Katuhiro Inada