Patents by Inventor Hajime Omata

Hajime Omata 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).

  • Connecting device for connecting a sound producing device to an electronic equipment
    Patent number: 6504940
    Abstract: A connecting device for connecting a sound producing device to an electronic equipment has a connector secured to the sound producing device, and having a pair of elastic contacts and an opening. A slider is provided to be inserted in the connector from the opening, and provided to press the elastic contacts of the connector against terminals of a substrate inserted in the connector from the opening.
    Type: Grant
    Filed: December 21, 2000
    Date of Patent: January 7, 2003
    Assignee: Citizen Electronics Co., Ltd.
    Inventors: Hajime Omata, Shunichi Watanabe, Atsushi Kuwabara, Yoshizumi Ohta
  • Connecting device for connecting a sound producing device to an electronic equipment
    Publication number: 20010004398
    Abstract: A connecting device for connecting a sound producing device to an electronic equipment has a connector secured to the sound producing device, and having a pair of elastic contacts and an opening. A slider is provided to be inserted in the connector from the opening, and provided to press the elastic contacts of the connector against terminals of a substrate inserted in the connector from the opening.
    Type: Application
    Filed: December 21, 2000
    Publication date: June 21, 2001
    Inventors: Hajime Omata, Shunichi Watanabe, Atsushi Kuwabara, Yoshizumi Ohta
  • Method for manufacturing IC card substrate
    Patent number: 5476629
    Abstract: A method for manufacturing a substrate for an IC card in which, after a synthetic resin is filled into a cavity in an IC card substrate forming mold, or after a core pin for forming an IC module housing recessed section in the cavity in an IC card substrate forming mold is caused to project as far as an intermediate position, and the synthetic resin is filled into the cavity, the core pin is further caused to project to a specified position to form the IC module housing recessed section while the synthetic resin is in the mobile state.
    Type: Grant
    Filed: December 21, 1993
    Date of Patent: December 19, 1995
    Assignees: Citizen Watch Co. Ltd., Citizen Electronics Co., Ltd.
    Inventors: Isao Yabe, Kazuo Sato, Hajime Omata
  • Optical glass
    Patent number: 4771020
    Abstract: An optical glass which is a P.sub.2 O.sub.5 system glass including ingredients selected from two groups of R.sub.2 O.sub.3 ingredients of specific contents have excellent resistivity to devitrification, homogeneity, light transmissivity and chemical durability.
    Type: Grant
    Filed: July 31, 1987
    Date of Patent: September 13, 1988
    Assignee: Kabushiki Kaisha Ohara
    Inventors: Hajime Omata, Nobuhiro Nozawa