Patents by Inventor Kenichiro Uda

Kenichiro Uda 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).

  • Patent number: 7817513
    Abstract: A record and reproduction apparatus includes: a CPU; a memory; a recording medium control unit configured to read out data from a recording medium; a reproduction buffer configured to temporarily store stream data such as an image and an audio out of the data read by the recording medium control unit; a reproduction processing unit configured to decode and reproduce the stream data temporarily stored in the reproduction buffer; and an access control unit configured to control the timing by which the access control unit switches between access to the memory and access to the reproduction buffer so that the reproduction processing does not break off during reproduction of the stream data while supervising the state of the reproduction buffer, and to manage the memory and the recording medium control unit in each transaction.
    Type: Grant
    Filed: August 22, 2007
    Date of Patent: October 19, 2010
    Assignee: Panasonic Corporation
    Inventors: Yoshihisa Okaya, Tsuyoshi Sato, Mitsuya Nakahara, Kenichiro Uda
  • Publication number: 20100250961
    Abstract: A control device performs reading of data from a recording medium or writing of data into the recording medium. The control device includes a plurality of processing sections for performing at least any one of encrypting and decrypting processes, a plurality of interface sections serving as an interface to the recording medium respectively, and a controlling section for allocating one of the plurality of processing sections and one of the plurality of interface sections to each type of contents read from the recording medium or each type of contents written into the recording medium respectively. The control device encrypts or decrypts a plurality of contents in parallel.
    Type: Application
    Filed: August 17, 2007
    Publication date: September 30, 2010
    Inventors: Tsuyoshi Sato, Makoto Fujiwara, Kenichiro Uda
  • Publication number: 20100180137
    Abstract: A control device performs the reading of data from a recording medium that is authenticated mutually or the writing of data into the recording medium. The control device includes an interface section which interfaces with the recording medium, a storing section which stores key information and authentication information produced in an authentication operation, and a controlling section which controls a supply of power based on whether or not the control device performs either the reading of data from the recording medium or the writing of data into the recording medium. While the control device performs neither the reading of data from the recording medium nor the writing of data into the recording medium, the controlling section controls so as to supply only to the storing section. Therefore, in the control device, a reduction in the number of times of mutual authentication with a recording medium is compatible with low power consumption.
    Type: Application
    Filed: August 17, 2007
    Publication date: July 15, 2010
    Inventors: Tsuyoshi Sato, Makoto Fujiwara, Kenichiro Uda
  • Publication number: 20080058973
    Abstract: A first LSI moves to an energy saving state after saving the header analysis result from a header information analysis unit in a header analysis result storage unit. While the first LSI is in the energy-saving state, a second LSI reads and plays back audio data that is stored in a memory device based on the header analysis result that is saved in the header analysis result storage unit.
    Type: Application
    Filed: August 29, 2007
    Publication date: March 6, 2008
    Inventors: Tomohiro Hirata, Makoto Fujiwara, Kenichiro Uda
  • Publication number: 20080049575
    Abstract: A record and reproduction apparatus includes: a CPU; a memory; a recording medium control unit configured to read out data from a recording medium; a reproduction buffer configured to temporarily store stream data such as an image and an audio out of the data read by the recording medium control unit; a reproduction processing unit configured to decode and reproduce the stream data temporarily stored in the reproduction buffer; and an access control unit configured to control the timing by which the access control unit switches between access to the memory and access to the reproduction buffer so that the reproduction processing does not break off during reproduction of the stream data while supervising the state of the reproduction buffer; and to manage the memory and the recording medium control unit in each transaction.
    Type: Application
    Filed: August 22, 2007
    Publication date: February 28, 2008
    Inventors: Yoshihisa Okaya, Tsuyoshi Sato, Mitsuya Nakahara, Kenichiro Uda
  • Patent number: 7273833
    Abstract: This invention relates to a water-soluble lubricant for warm or hot metal forming, comprising a high polymer compound which comprises an imide group, which has a weight-average molecular weight of from 1,000 to 1,000,000. The water-soluble lubricants of the invention possess exceptional lubricity for reducing friction between a die and a workpiece, have a minimal adverse effect on the operating environment, and can readily be treated in wastewater.
    Type: Grant
    Filed: October 2, 2003
    Date of Patent: September 25, 2007
    Assignee: Yushiro Chemical Industry Co., Ltd.
    Inventors: Kenichiro Uda, Tatsumi Harada, Kazushige Fujiyoshi
  • Patent number: 7210108
    Abstract: According to a method of designing an integrated circuit, a plurality of outgoing lines branch off from each of main lines of respective power supply paths on the sides of VDD and VSS, and the pitches between adjacent outgoing lines of the plurality of outgoing lines are set so as to be equal to each other. Preferably, branching positions of the plural outgoing lines of one power supply path correspond to branching positions of the plural outgoing lines of another power supply path in the longitudinal direction of the power supply paths, or the lengths of the plural outgoing lines of one power supply path are set so as to be longer than the lengths of the plural outgoing lines of another power supply path.
    Type: Grant
    Filed: September 10, 2003
    Date of Patent: April 24, 2007
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventor: Kenichiro Uda
  • Publication number: 20070089014
    Abstract: To provide a semiconductor integrated circuit device in which an occupied area is suppressed from increasing and a high-performance test circuit is included, There is provided a semiconductor integrated circuit having a test circuit, by determining arrangement positions of cells forming a circuit to be tested and non-connected cells prepared to form a test circuit and then determining a connection relationship among the non-connected cells prepared to form the test circuit on the basis of the arrangement information to thereby form the test circuit.
    Type: Application
    Filed: October 4, 2006
    Publication date: April 19, 2007
    Inventors: Takashi Ishimura, Kenichiro Uda, Yoko Shimada, Katsuya Fujimura, Kasumi Hamaguchi, Kenichirou Higashi
  • Publication number: 20050075253
    Abstract: This invention provides a water-soluble lubricant for warm or hot metal forming that possesses exceptional lubricity intended to reduce the friction between a die and a workpiece, has excellent operating environment properties, and can be readily treated as wastewater. In the water-soluble lubricant of this invention for warm or hot metal forming, sodium salts of an imidated isobutylene/maleic anhydride copolymer, which is obtained by imidating part of a copolymer of maleic anhydride and isobutadiene and which has an imidation ratio of 1 to 80 molar percent and a weight-average molecular weight of 1,000 to 1,000,000, is contained in an amount of 1 to 70 mass percent per 100 mass percent of the water-soluble lubricant for warm or hot metal forming.
    Type: Application
    Filed: October 2, 2003
    Publication date: April 7, 2005
    Inventors: Kenichiro Uda, Tatsumi Harada, Kazushige Fujiyoshi
  • Publication number: 20040057300
    Abstract: According to a method of designing an integrated circuit, a plurality of outgoing lines branch off from each of main lines of respective power supply paths on the sides of VDD and VSS, and the pitches between adjacent outgoing lines of the plurality of outgoing lines are set so as to be equal to each other. Preferably, branching positions of the plural outgoing lines of one power supply path correspond to branching positions of the plural outgoing lines of another power supply path in the longitudinal direction of the power supply paths, or the lengths of the plural outgoing lines of one power supply path are set so as to be longer than the lengths of the plural outgoing lines of another power supply path.
    Type: Application
    Filed: September 10, 2003
    Publication date: March 25, 2004
    Applicant: Matsushita Electric Industrial Co., Ltd.
    Inventor: Kenichiro Uda