Patents by Inventor Shoji Moriyama

Shoji Moriyama 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).

  • Charge-transporting varnish, charge-transporting thin film and method for manufacturing same, and organic electroluminescent element and method for manufacturing same
    Patent number: 10211412
    Abstract: The invention provides a charge-transporting varnish, containing a charge-transporting substance formed of an indolocarbazole represented by the following formula (1), a dopant substance, and an organic solvent.
    Type: Grant
    Filed: July 9, 2015
    Date of Patent: February 19, 2019
    Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Taichi Nakazawa, Shoji Moriyama
  • CHARGE-TRANSPORTING VARNISH, CHARGE-TRANSPORTING THIN FILM AND METHOD FOR MANUFACTURING SAME, AND ORGANIC ELECTROLUMINESCENT ELEMENT AND METHOD FOR MANUFACTURING SAME
    Publication number: 20170155060
    Abstract: The invention provides a charge-transporting varnish, containing a charge-transporting substance formed of an indolocarbazole represented by the following formula (1), a dopant substance, and an organic solvent.
    Type: Application
    Filed: July 9, 2015
    Publication date: June 1, 2017
    Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Taichi NAKAZAWA, Shoji MORIYAMA
  • Electronic certification authentication method and system
    Patent number: 6253322
    Abstract: Certification and authentication services (electronic information signing and archiving services) are given when electronic commerce is carried out in an open network such as Internet. A system has a service supplying unit and service receiving units which are connected to one another through a communication network. In the system, the service supplying unit transmits contract information including a content of a contract to the service receiving units of the service receivers. Each of the service receiving units having received the contract information prepares one party-signed contract information in which the contract information is digitally signed by the service receiver and transmits the one party-signed contract information to the service supplying unit.
    Type: Grant
    Filed: May 20, 1998
    Date of Patent: June 26, 2001
    Assignee: Hitachi, Ltd.
    Inventors: Seiichi Susaki, Yasuhiko Mizuno, Miwa Takahashi, Satoshi Mitsunaga, Shoji Moriyama