Patents by Inventor Tomoyoshi Maruyama

Tomoyoshi Maruyama 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).

  • Publication number: 20120097287
    Abstract: Provided is duct equipment including a duct body, a heat insulating material, a external cover, a fiber-reinforced sheet, and fiber-reinforced moldings. The duct body includes a duct wall, a duct passage defined by the duct wall, and duct corners formed in the duct wall when viewed in a cross-section in a direction intersecting a direction in which the duct passage extends. The heat insulating material is installed on an outer circumference of the duct body. The external cover includes a external cover wall installed on an outer circumference of the heat insulating material, and external cover corners formed alone the duct corners. The fiber-reinforced sheet is disposed on the outer circumference of the duct body via an adhesive layer. The fiber-reinforced moldings are disposed adjacent to the fiber-reinforced sheet along the external cover corners via adhesive layers, and have a substantially L-shape when viewed in the cross-section.
    Type: Application
    Filed: August 12, 2010
    Publication date: April 26, 2012
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Hiroshi Shimizu, Satoshi Shinma, Nobuki Matsui, Tomoyoshi Maruyama, Ryuichi Nagase, Hiromu Okamoto, Hiroyuki Iseki, Kenji Sato, Seiji Takihana, Takumi Hori, Keigo Nishida
  • Patent number: 6954014
    Abstract: The invention relates to a motor with a frequency generator attached thereto, equipped with the frequency generator (FG) for detecting a rotational speed of the motor.
    Type: Grant
    Filed: May 13, 2004
    Date of Patent: October 11, 2005
    Assignee: Japan Servo Co., Ltd.
    Inventors: Shoji Ohiwa, Yuji Enomoto, Tomoyoshi Maruyama, Yuji Takagai, Sachio Hatori, Kazuto Nagai
  • Publication number: 20050001497
    Abstract: The invention relates to a motor with a frequency generator attached thereto, equipped with the frequency generator (FG) for detecting a rotational speed of the motor.
    Type: Application
    Filed: May 13, 2004
    Publication date: January 6, 2005
    Inventors: Shoji Ohiwa, Yuji Enomoto, Tomoyoshi Maruyama, Yuji Takagai, Sachio Hatori, Kazuto Nagai