Patents by Inventor Tomio Mizuno

Tomio Mizuno 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).

  • System, method and computer readable medium for certifying release of electronic information on an internet
    Patent number: 7814325
    Abstract: A method of certifying the existence of electronic information released on a network at a time and date. The network connects one or more computer servers and a plurality of client computers with each other. Electronic information of a web page stored in one of the plurality of client computers is accessed using information of its location from one of the computer servers based on a request from one of the client computers. A copy of the electronic information is then obtained. Attribute information is generated from the location, access time, and date when the electronic information is accessed. An electronic certificate may be generated by uniquely specifying the electronic information and the attribute information as inherent information identifying the electronic information. The copy of the electronic information is stored in a memory by tying up the electronic information with the electronic certificate and the attribute information.
    Type: Grant
    Filed: November 21, 2006
    Date of Patent: October 12, 2010
    Assignee: Ricoh Company, Ltd.
    Inventors: Yoichi Kanai, Masuyoshi Yachida, Tomio Mizuno, Tatsuya Furukawa, Yoichi Ishikawa
  • SYSTEM, METHOD AND COMPUTER READABLE MEDIUM FOR CERTIFYING RELEASE OF ELECTRONIC INFORMATION ON AN INTERNET
    Publication number: 20070143620
    Abstract: A method of certifying the existence of electronic information released on a network at a time and date. The network connects one or more computer servers and a plurality of client computers with each other. Electronic information of a web page stored in one of the plurality of client computers is accessed using information of its location from one of the computer servers based on a request from one of the client computers. A copy of the electronic information is then obtained. Attribute information is generated from the location, access time, and date when the electronic information is accessed. An electronic certificate may be generated by uniquely specifying the electronic information and the attribute information as inherent information identifying the electronic information. The copy of the electronic information is stored in a memory by tying up the electronic information with the electronic certificate and the attribute information.
    Type: Application
    Filed: November 21, 2006
    Publication date: June 21, 2007
    Inventors: Yoichi Kanai, Masuyoshi Yachida, Tomio Mizuno, Tatsuya Furukawa, Yoichi Ishikawa
  • System, method and computer readable medium for certifying release of electronic information on an internet
    Patent number: 7143144
    Abstract: A method of certifying the existence of electronic information released on a network at a time and date. The network connects one or more computer servers and a plurality of client computers with each other. Electronic information of a web page stored in one of the plurality of client computers is accessed using information of its location from one of the computer servers based on a request from one of the client computers. A copy of the electronic information is then obtained. Attribute information is generated from the location, access time, and date when the electronic information is accessed. An electronic certificate may be generated by uniquely specifying the electronic information and the attribute information as inherent information identifying the electronic information. The copy of the electronic information is stored in a memory by tying up the electronic information with the electronic certificate and the attribute information.
    Type: Grant
    Filed: November 30, 2000
    Date of Patent: November 28, 2006
    Assignee: Ricoh Company, Ltd.
    Inventors: Yoichi Kanai, Masuyoshi Yachida, Tomio Mizuno, Tatsuya Furukawa, Yoichi Ishikawa
  • System, method and computer readable medium for certifying release of electronic information on an internet
    Publication number: 20010002472
    Abstract: A method of certifying the existence of electronic information released on a network at a time and date. The network connects one or more computer servers and a plurality of client computers with each other. Electronic information of a web page stored in one of the plurality of client computers is accessed using information of its location from one of the computer servers based on a request from one of the client computers. A copy of the electronic information is then obtained. Attribute information is generated from the location, access time, and date when the electronic information is accessed. An electronic certificate may be generated by uniquely specifying the electronic information and the attribute information as inherent information identifying the electronic information. The copy of the electronic information is stored in a memory by tying up the electronic information with the electronic certificate and the attribute information.
    Type: Application
    Filed: November 30, 2000
    Publication date: May 31, 2001
    Inventors: Yoichi Kanai, Masuyoshi Yachida, Tomio Mizuno, Tatsuya Furukawa, Yoichi Ishikawa
  • Case for a disc cartridge
    Patent number: 5242049
    Abstract: A case for a disc cartridge comprises a cover, and a case body having the cover rotatably attached thereto and having on its bottom wall integrally formed a plurality of resilient hold members for resiliently holding a disc cartridge.
    Type: Grant
    Filed: August 27, 1992
    Date of Patent: September 7, 1993
    Assignee: Sony Corporation
    Inventors: Tomio Mizuno, Shinkichi Kobayashi