Patents by Inventor Kuniaki Otsuka

Kuniaki Otsuka 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).

  • Communication exchange apparatus with switching of communication terminal information
    Patent number: 5469501
    Abstract: A telephone exchange apparatus for plural extension telephone units is capable of interchanging, in response to a predetermined operation from one of the extension telephone units, the extension numbers of two extension telephone units and the associated information stored in advance for these extension telephone units, such as individual one-touch dialling data, abbreviated dialling data and re-dialling data. In response to the predetermined operation, the exchange apparatus interchanges the data areas in a memory respectively corresponding to the physical addresses of the extension telephone units.
    Type: Grant
    Filed: November 15, 1994
    Date of Patent: November 21, 1995
    Assignee: Canon Kabushiki Kaisha
    Inventor: Kuniaki Otsuka
  • Telephone exchange apparatus
    Patent number: 5392340
    Abstract: A telephone exchange apparatus for plural extension telephone units is capable of interchanging, in response to a predetermined operation from one of the extension telephone units the extension numbers of two extension telephone units and the associated information stored in advance for these extension telephone units, such as individual one-touch dialling data, abbreviated dialling data and re-dialling data. In response to the predetermined operation, the exchange apparatus interchanges the data areas in a memory respectively corresponding to the physical addresses of the extension telephone units.
    Type: Grant
    Filed: May 23, 1994
    Date of Patent: February 21, 1995
    Assignee: Canon Kabushiki Kaisha
    Inventor: Kuniaki Otsuka
  • Communication apparatus for providing a modulated analog wave
    Patent number: 5311580
    Abstract: A communication apparatus generates plural data representing a modulated analog wave by sequentially reading plural data representing an analog wave from a memory storing plural data, and controlling a sequence of such plural data to be read in accordance with information to be transmitted. Such a configuration is also provided in a switchboard to transmit internal information of the switchboard.
    Type: Grant
    Filed: January 25, 1993
    Date of Patent: May 10, 1994
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kuniaki Otsuka, Isamu Ozawa
  • Electroless palladium plating composition
    Patent number: 5292361
    Abstract: An electroless palladium plating composition which comprises (1) 0.001-0.1 mol/l of a palladium compound, (2) 0.01-1 mol/l of a hypophosphite compound, (3) 0.01-5 mol/l of at least one member selected from the group consisting of ammonia and alkylamine compounds, (4) 0.01-20 mg/l of high-molecular weight polyethyleneimine having molecular weight of 300 to 100000 and (5) 0.01-10 g/l of an aliphatic alkyenylamine, and which is used at a pH in the range of 5-10.
    Type: Grant
    Filed: July 30, 1992
    Date of Patent: March 8, 1994
    Assignee: Okuno Chemical Industries Co., Ltd.
    Inventors: Kuniaki Otsuka, Eiichi Torikai, Shigemitsu Kawagishi, Kazuyoshi Okuno