Patents by Inventor Hiroaki Kawano

Hiroaki Kawano 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: 20110012680
    Abstract: A semiconductor device and a radio frequency circuit which are appropriate for multiband, multimode performance can be realized as a semiconductor device including a field-effect transistor formed on a semiconductor substrate, and include: ohmic electrodes serving as source and drain electrodes of the field-effect transistor, first and second Schottky electrodes provided between the ohmic electrodes and serving as gate electrodes of the field-effect transistor, and a third Schottky electrode provided and grounded between the first and second Schottky electrodes.
    Type: Application
    Filed: July 9, 2010
    Publication date: January 20, 2011
    Applicant: PANASONIC CORPORATION
    Inventors: Junji KAIDO, Masahiko INAMORI, Shinichi SONETAKA, Hiroaki KAWANO
  • Publication number: 20090055896
    Abstract: The present invention prevents a computer, which is infected by an unauthorized program such as a virus or spyware when the computer is brought out, from being connected with a secure network such as an intracompany LAN. When a user terminal is started, a connection with the intracompany LAN is attempted. Then, a network connection is temporarily stopped and an environment is compared with the one where the user terminal operated at a previous time. When there is no difference between both of the environments, the connection with the intracompany LAN is restored. However, when it is determined that the user terminal is connected with a network other than the intracompany LAN when the user terminal was operated at a previous time, an inspection for a virus or the like is executed by a USB memory where the latest anti-virus software is stored. After it is confirmed that the user terminal is safe, the connection with the intracompany LAN is restored.
    Type: Application
    Filed: February 6, 2006
    Publication date: February 26, 2009
    Inventors: Osamu Aoki, Hiroaki Kawano
  • Publication number: 20080289032
    Abstract: A computer system and appertaining control method allow, when an operation of a computer is controlled in accordance with an authentication result due to biological information using an externally connected device, setting up an authentication authority regarding a plurality of users, and setting up an authority per application and operation. The authentication condition on a biological authentication needed per application or operation is stored in the externally connected device along with the biological information of a plurality of users for whom biological authentication is needed. When using an external computer, it is connected to the externally connected device which performs biological authentication.
    Type: Application
    Filed: August 4, 2005
    Publication date: November 20, 2008
    Inventors: Osamu Aoki, Hiroaki Kawano, Yojiro Sonoda, Haruko Ikeda
  • Publication number: 20080072289
    Abstract: An unauthorized connection detection system is provided for detecting and addressing unauthorized connection to the network of an improper terminal device without having connection authority by such as spoofing by rewriting an IP address or a MAC address. The terminal device having the connection authority to the network has a dedicated monitoring program product stored therein, to transmit a notification when the connection to the network is started or scheduled correspondence while connected to the network. When a connection startup notification or the scheduled correspondence is not received from the monitoring program product while the connection to the network is permitted by verification of such as the IP address, due to the terminal device connected in an unauthorized manner by spoofing not being provided with the monitoring program product, processing for interrupting communication of the terminal device is performed.
    Type: Application
    Filed: July 9, 2004
    Publication date: March 20, 2008
    Inventors: Osamu Aoki, Hiroaki Kawano
  • Publication number: 20070180516
    Abstract: An unauthorized-operation-judgment system judges whether an operation received by a computer is an unauthorized operation by referencing a profile to find a peculiar action. This system can handle an unauthorized operation due to a change of a computer be an authorized user and unauthorized operation by a new user whose user profile is not yet created. When a user executes a certain operation, the operation tendency and th operation tendency executed by the user are learned to create a node profile and a user, profile, which are stored in a node-profile-state table and a user-profile-state table of each user, respectively. The node profile and the user profile thus created are referenced so as to perform deviation calculation between the operation received and the normal operation pattern, thereby judging whether the operation is peculiar and calculating the possibility of an unauthorized operation as a score valve.
    Type: Application
    Filed: May 13, 2004
    Publication date: August 2, 2007
    Inventors: Osamu Aoki, Masaharu Shirasugi, Kenichi Koide, Hiroaki Kawano
  • Publication number: 20070083938
    Abstract: For monitoring invalid data that causes a computer to execute an invalid operation, an invalidity-monitoring program monitors input/output data sent to and received from a network and an externally connected device, and allows a user to set a variety of invalidity determination and apply an efficient rule. A data-acquisition unit acquires input/output data, which is flowing on a network or an externally connected bus, and the ID of an operator. An invalid-operation-determination unit determines whether an operation is invalid by acquiring attribute information on a user corresponding to the ID from a user-storage unit by referencing a rule corresponding to attribute information from rules stored in an invalidity-rule-storage unit and defined for the respective user, and additionally, by referencing a rule that generally determines an operation as invalid regardless of the attributes stored in the invalidity-rule storage unit.
    Type: Application
    Filed: July 9, 2004
    Publication date: April 12, 2007
    Inventors: Osamu Aoki, Masaharu Shirasugi, Kenichi Koide, Hiroaki Kawano
  • Patent number: 6621233
    Abstract: A power circuit for driving a liquid crystal display panel whereby an afterglow can be prevented from coming out on the liquid crystal display panel when the liquid crystal display panel is turned off. A power down short circuit 10 arranged in a driving power circuit 1 is characterized in that it includes a plurality of power source lines VL1˜VL5 provided corresponding to a plurality of voltage level V1˜V5 and also include a plurality of N-channel MOS transistors M6˜M9 short-circuiting adjacent power source lines each other when detecting if the liquid crystal display line has been turned off. The afterglow is prevented from coming out on the liquid crystal display panel by preventing the lights-on of the liquid crystal element that is caused by a slow fall time of the electric potential of the power source line.
    Type: Grant
    Filed: May 31, 2002
    Date of Patent: September 16, 2003
    Assignee: Oki Electric Industry Co., Ltd.
    Inventor: Hiroaki Kawano
  • Publication number: 20020195965
    Abstract: A power circuit for driving a liquid crystal display panel whereby an afterglow can be prevented from coming out on the liquid crystal display panel when the liquid crystal display panel is turned off. A power down short circuit 10 arranged in a driving power circuit 1 is characterized in that it includes a plurality of power source lines VL1˜VL5 provided corresponding to a plurality of voltage level V1˜V5 and also include a plurality of N-channel MOS transistors M6˜M9 short-circuiting adjacent power source lines each other when detecting if the liquid crystal display line has been turned off. The afterglow is prevented from coming out on the liquid crystal display panel by preventing the lights-on of the liquid crystal element that is caused by a slow fall time of the electric potential of the power source line.
    Type: Application
    Filed: May 31, 2002
    Publication date: December 26, 2002
    Inventor: Hiroaki Kawano
  • Patent number: 6218877
    Abstract: A semiconductor device capable of easily adjusting an internal delay time is provided with a phase adjusting circuit, wherein the phase adjusting circuit comprises an internal delay reproduction circuit that reproduces the sum of a delay time required for an input signal to be input to the phase adjusting circuit and a delay time required for an output signal to be output from the phase adjusting circuit. A delay adjusting circuit connected with the internal delay reproduction circuit upstream or downstream relative thereto, generates a given delay time for adjusting the internal delay time reproduced by the internal delay reproduction circuit. A delay time control section is connected with the delay adjusting circuit and controls the delay time generated by the delay adjusting circuit. A phase comparator compares a phase of a signal passed through the delay time adjusting circuit with a signal inputted to the phase adjusting circuit.
    Type: Grant
    Filed: May 21, 1999
    Date of Patent: April 17, 2001
    Assignee: Oki Electric Industry Co., Ltd.
    Inventors: Kazuhiko Oyama, Hiroaki Kawano
  • Patent number: 5239656
    Abstract: A self-error-correcting semiconductor memory device having a programmable ROM for storing first and second data, at least one temporary register for temporarily storing data and a one-time PROM for writing one time, wherein first data stored in a true address and second data identical to the first data stored in a dummy address both within the programmable ROM are outputted to a data bus and multiplied with each other so as to obtain a third data for performing an error correction.
    Type: Grant
    Filed: April 17, 1990
    Date of Patent: August 24, 1993
    Assignee: Oki Electric Industry Co., Ltd.
    Inventor: Hiroaki Kawano