Patents by Inventor Yoji Kawamoto

Yoji Kawamoto 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: 6907255
    Abstract: A radiocommunication system including a portable terminal, a base station and a server. The portable terminal transmits a destination to the server and further sends the ID number (CS_ID) of the base station coupled through a radio link to the portable terminal. The server has a table representative of a corresponding relationship between the ID number of the base station and the standing position of the base station and retrieves the position corresponding to the ID number thereof as the present position of the portable terminal from the table. Further, the server transmits map data corresponding to the present position of the portable terminal to the portable terminal.
    Type: Grant
    Filed: May 16, 2001
    Date of Patent: June 14, 2005
    Assignee: Sony Corporation
    Inventor: Yoji Kawamoto
  • Publication number: 20050119967
    Abstract: The present invention relates to an information processing apparatus and method, a program storage medium, and a program for distributing usage rights for individual smaller details without placing a burden on a client. A usage right held by a content holder server 6 is provided to a license server 4. The license server 4 divides the usage right provided by the content holder server 6 into, for example, a playback-only usage right and a playback-and-checkout usage right. A client 1 pays 10 yen to obtain the playback usage right. The client 1 pays additional 30 yen to obtain the playback-and-checkout usage right. In other words, the playback-only usage right is upgraded to the playback-and-checkout usage right. The present invention is applicable to a server for providing content via a network.
    Type: Application
    Filed: April 10, 2003
    Publication date: June 2, 2005
    Inventors: Ryuji Ishiguro, Yoji Kawamoto, Yuichi Ezura, Motohiko Nagano
  • Publication number: 20050075981
    Abstract: The present invention relates to an information managing apparatus and method, a recording medium, and a program in which unauthorized use of content can be prevented. A ripping module 91 of a client 1 retrieves the content recorded on a CD 81. In the client 1, a content ID for identifying the content and a unique ID unique to the client 1 are generated, and these IDs are added to the content retrieved by the ripping module 91. A usage right containing the usage conditions of the content, etc., is generated and saved. The usage right includes information indicating that an apparatus (client) having the same ID to the unique ID added to the content is only allowed to play back the content. The present invention is applicable to an information processing apparatus such as a personal computer.
    Type: Application
    Filed: April 10, 2003
    Publication date: April 7, 2005
    Inventors: Yoji Kawamoto, Ryuji Ishiguro, Yuichi Ezura, Motohiko Nagano
  • Publication number: 20050074125
    Abstract: The present embodiments advantageously provide methods and systems for use in decrypting content, and in some preferred embodiments expanding a security environment to distribute the computational processing involved in decryption. In some embodiments, a method for use in decrypting content is provided that receives a first content key at a first system for the decryption of a first track of encrypted content; encrypts the first content key according to a first instance key known at the first system; communicates the first encrypted content key over an externally accessible communication link to a second system; generates the first instance key at the second system independent of the first system; decrypts the first encrypted content key using the generated first instance key at the second system; and decrypts the first track of encrypted content using the first unencrypted content key at the second system.
    Type: Application
    Filed: August 18, 2004
    Publication date: April 7, 2005
    Applicants: Sony Corporation, Sony Electronics Inc.
    Inventors: Pierre Chavanne, Oscar Steele, Yoji Kawamoto, Eric Swenson
  • Publication number: 20050060334
    Abstract: The present invention relates to an information processing apparatus and method, a recording medium, and a program in which usage status information necessary to use content can be managed on a service-by-service basis. The usage status information is stored in a management area for a service node in association with a content ID (CID) and a usage-right ID for management. Accordingly, since the usage status information is managed on a service-by-service basis, even if a piece of usage status information is broken or tampered with, the effects thereof can be blocked within one management area. In other words, the content whose usage status information is stored in a management area in which usage status information which is tampered with is stored cannot be used; however, the content whose usage status information is stored in other management areas can be used without difficulty. The present invention is applicable to a personal computer.
    Type: Application
    Filed: April 10, 2003
    Publication date: March 17, 2005
    Inventors: Yoji Kawamoto, Ryuji Ishiguro, Yuichi Ezura, Motohiko Nagano
  • Publication number: 20050043018
    Abstract: When a user gets interested in some music he/she listens to somewhere, for example, in a coffee shop, the user records that music in a memory provided in a portable terminal. A processor reads the information stored in the memory and performs a predetermined process on it. The resultant information is stored on a storage device. The information stored on the storage device is then transferred to a server via a communication device. The server searches the database for the title of the music corresponding to the received information, and returns the result to the terminal. Thus, the user can easily get information about the title of the music.
    Type: Application
    Filed: September 16, 2004
    Publication date: February 24, 2005
    Applicant: Sony Corporation
    Inventor: Yoji Kawamoto
  • Publication number: 20040210762
    Abstract: The present invention relates to an information processing apparatus, an information processing method, a recording medium, and a program for importing and exporting a content with information missing controlled. A CPU extracts a sound track contained in the content in step S301, and converts a format of the extracted sound track into a format compatible with a memory stick in step S302. The CPU generates a predetermined file from data contained in the content and excluding the sound track in step S304. In step S306, the CPU attaches reference information of the sound track to the file. In step S307, the CPU controls the writing of the sound track in the converted format and the file to the memory stick. The present invention is applied to clients of a DRM system.
    Type: Application
    Filed: December 12, 2003
    Publication date: October 21, 2004
    Inventors: Yoji Kawamoto, Ryuji Ishiguro, Yuichi Ezura, Motohiko Nagano
  • Publication number: 20040003627
    Abstract: Glasses containing one or more rare-earth elements and one or more halides are disclosed including a region locally transformed into crystallized glass that comprises precipitated rare-earth element-containing halide crystals. Also disclosed are molded objects containing dispersed particles of glass containing one or more rare-earth elements and one or more halides and having a region within which the particles are transformed into crystallized glass particles. The crystallized region is invisible under usual light but can be detected using upconversion luminescence generated by irradiation with excitation laser light having a specific wavelength. Disclosed further are methods for preparing such locally crystallized glasses and molded objects, as well as methods for efficient detection of the crystallized region in such glasses or molded objects.
    Type: Application
    Filed: March 31, 2003
    Publication date: January 8, 2004
    Applicant: NIHON YAMAMURA GLASS CO., LTD.
    Inventors: Hidekazu Hashima, Akio Konishi, Yoshinori Tanigami, Yoji Kawamoto, Noriko Tokura
  • Patent number: 6584320
    Abstract: In a terminal equipment, when a signal demanding for the detection of the present position of a mating second portable remote terminal is outputted from a first portable remote terminal, nearest a first base station transmits the signal to a server. The server, upon receiving the demand signal, receives the present position of the mating second portable remote terminal by way of a second base station, reads out a map data including the present positions for the first portable remote terminal and the second portable remote terminal from data base and transmits the same to the first and second portable remote terminals.
    Type: Grant
    Filed: September 20, 2000
    Date of Patent: June 24, 2003
    Assignee: Sony Corporation
    Inventor: Yoji Kawamoto
  • Patent number: 6341133
    Abstract: A portable communication terminal for use in a communication system including the terminal and a terminal server, and an implementation of such a communication system. The communication terminal has a telephone communication means operable to accesses a server and/or a data base connected to a portable telephone system network so as to receive multimedia information from the server and/or data base, and a human-machine interface means operable to receive multimedia information supplied from the telephone communication means.
    Type: Grant
    Filed: June 11, 1997
    Date of Patent: January 22, 2002
    Assignee: Sony Corporation
    Inventors: Yoji Kawamoto, Akira Kurihara
  • Patent number: 6314295
    Abstract: A radiocommunication system including a portable terminal, a base station and a server. The portable terminal transmits a destination to the server and further sends the ID number (CD_ID) of the base station coupled through a radio link to the portable terminal. The server has a table representative of a corresponding relationship between the ID number of the base station and the standing position of the base station and retrieves the position corresponding to the ID number thereof as the present position of the portable terminal from the table. Further, the server transmits map data corresponding to the present position of the portable terminal to the portable terminal.
    Type: Grant
    Filed: December 20, 1996
    Date of Patent: November 6, 2001
    Assignee: Sony Corporation
    Inventor: Yoji Kawamoto
  • Publication number: 20010024957
    Abstract: A radiocommunication system including a portable terminal, a base station and a server. The portable terminal transmits a destination to the server and further sends the ID number (CS ID) of the base station coupled through a radio link to the portable terminal. The server has a table representative of a corresponding relationship between the ID number of the base station and the standing position of the base station and retrieves the position corresponding to the ID number thereof as the present position of the portable terminal from the table. Further, the server transmits map data corresponding to the present position of the portable terminal to the portable terminal.
    Type: Application
    Filed: May 16, 2001
    Publication date: September 27, 2001
    Applicant: SONY CORPORATION
    Inventor: Yoji Kawamoto
  • Publication number: 20010024164
    Abstract: A terminal control apparatus1 for causing various terminal devices to perform appropriate operations. The terminal control apparatus comprises a communication section 11, a control section 12, and a data-storing section 13. The communication section 11 accomplishes communication with a terminal device 2. The control section 12 controls the terminal device 2. The terminal device 3 comprises a communication section 21, a control section 22, and a terminal section 23. The communication section 21 achieves communication with the terminal control apparatus 1. The control section 22 transmits terminal information to the terminal control apparatus 1. The terminal information represents the type and capacity of the terminal device 2. The terminal control apparatus 1 performs terminal control functions in accordance with the terminal information. The control section 22 controls the terminal section 23 in accordance with the terminal control functions the apparatus 1 has performed.
    Type: Application
    Filed: January 12, 2001
    Publication date: September 27, 2001
    Inventors: Hirofumi Kawamura, Yoji Kawamoto, Motomasa Futagami, Motohiko Nagano
  • Patent number: 6169902
    Abstract: An information terminal, interconnected through a radio-communication network, including a position acquisition unit for acquiring position fixing information that fixes the present position of own information terminal, a transmitting unit for transmitting through the radio-communication network on demand the position fixing information of own terminal acquired through the position acquisition unit and for transmitting through the radio-communication network a request command for requesting position-related information about each information terminal belonging to a group identified by a predetermined password number, a receiving unit for receiving from a user management table of an information providing apparatus through the radio-communication network the position-related information about each information terminal belonging to the group, and a display unit for displaying the information-related information of each information terminal received by the receiving unit.
    Type: Grant
    Filed: April 8, 1998
    Date of Patent: January 2, 2001
    Assignee: Sony Corporation
    Inventor: Yoji Kawamoto
  • Patent number: 6167277
    Abstract: In a terminal equipment, when a signal demanding for the detection of the present position of a mating second portable remote terminal is outputted from a first portable remote terminal, nearest a first base station transmits the signal to a server. The server, upon receiving the demand signal, receives the present position of the mating second portable remote terminal by way of a second base station, reads out a map data including the present positions for the first portable remote terminal and the second portable remote terminal from data base and transmits the same to the first and second portable remote terminals.
    Type: Grant
    Filed: December 23, 1996
    Date of Patent: December 26, 2000
    Assignee: Sony Corporation
    Inventor: Yoji Kawamoto
  • Patent number: 6108554
    Abstract: An information providing system capable of effectively offering a desired service. In this system, when the user uses a portable terminal to issue a request for a desired service toward a base station, a given server receives this service request through a simplified portable telephone system network and then transmits it, for example, to a client which can respond to the service request of the user. The client sends reply information through the server to the portable terminal. The user makes the service request to the client when the user decides, on the basis of the reply information, that the desired service is attainable from the client.
    Type: Grant
    Filed: December 23, 1996
    Date of Patent: August 22, 2000
    Assignee: Sony Corporation
    Inventor: Yoji Kawamoto
  • Patent number: 6075993
    Abstract: An object of the present invention is to provide a personal station (hereinafter referred to as PS) for use with a location information detecting system using a personal handyphone system (hereinafter referred to as PHS) for detecting the moving direction of the PS along with the location thereof. After the user initially registers the present location to the PS and inputs the address of the destination, the PS calculates the distance from the present location to the destination and displays the result. When the user moves, the PS detects the present location and moving direction thereof by a method using electric field intensities, angle with cell stations (hereinafter referred to as CSs), an atomic clock, and so forth. Thereafter, the PS determines whether or not the detected present location is correct. When the detected present location is correct, the PS calculates the distance from the present location to the destination and displays the result.
    Type: Grant
    Filed: November 14, 1995
    Date of Patent: June 13, 2000
    Assignee: Sony Corporation
    Inventor: Yoji Kawamoto
  • Patent number: 5891531
    Abstract: A process for producing a thin film of a fluoride comprising reacting a gaseous fluorinating agent and gas of a volatile organometallic compound in a gas phase in a reactor, wherein a plasma of the gaseous fluorinating agent obtained by activating the gaseous fluorinating agent by microwave under a condition of electron cyclotron resonance is used as a fluorine source, and the fluoride is deposited on a substrate by reacting the plasma of the gaseous fluorinating agent with the gas of a volatile organometallic compound at outside of an area of generation of the plasma. A thin film of a fluoride which contains very little impurities such as carbon, oxygen, and organic substances, and is highly pure, transparent, and consolidated is produced.
    Type: Grant
    Filed: June 18, 1997
    Date of Patent: April 6, 1999
    Assignee: Yamamura Glass Co., Ltd.
    Inventors: Akio Konishi, Ryohei Terai, Yoji Kawamoto
  • Patent number: 5634791
    Abstract: A mouth washer has a nozzle substantially aligned with discharging direction of water pumpt, while a motor for driving the pump, a power source battery and a battery-charging secondary coil are disposed in series with the pumpt, and a water tank is provided along one side of such series disposition, whereby any hydraulic pressure loss upon jetting water out of the nozzle is reduced to realize a water jet under a sufficient hydraulic pressure, concurrently prolonging the life of the battery and maximizing the capacity of the water tank.
    Type: Grant
    Filed: June 14, 1995
    Date of Patent: June 3, 1997
    Assignee: Matsushita Electric Works, Ltd.
    Inventors: Masahiro Matsuura, Yoji Kawamoto
  • Patent number: 5504959
    Abstract: A brush provided on an end surface of a handle is equipped with a drive device capable of producing a reciprocating rectilinear motion in the direction of a handle axis and a reciprocating motion about the handle axis, while also producing a reciprocating motion about an axis in the direction of brush projection. The brush moves in a combination of the reciprocating rectilinear motion in the direction of the handle axis, the reciprocating motion about the handle axis, and the reciprocating motion about the axis in the direction of brush projection, and therefore scrub area increases, by virtue of the motion of the brush, the brush does not become trapped between teeth, and cleaning of the entire tooth surface is possible.
    Type: Grant
    Filed: July 8, 1994
    Date of Patent: April 9, 1996
    Assignee: Matsushita Electric Works, Ltd.
    Inventors: Kazuhiko Yukawa, Yoji Kawamoto