Patents by Inventor Naoaki Suzuki
Naoaki Suzuki 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).
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Publication number: 20190254108Abstract: A network entity (5) sends, to a mobility management entity (6) or a subscriber server (9), a request message in order to configure the mobility management entity (6) to report a second identifier to be used by a radio access network node (2) for identifying a radio terminal (1). Further, the network entity (5) receives the second identifier from the mobility management entity (6) directly or through the subscriber server (9) and communicates with the radio access network node (2) by using the second identifier. It is thus, for example, possible to allow an MEC server (or an MEC application hosted on the MEC server) and the radio access network (RAN) node to directly exchange therebetween control messages regarding a specific radio terminal.Type: ApplicationFiled: July 31, 2017Publication date: August 15, 2019Applicant: NEC CORPORATIONInventors: Takanori IWAI, Nobuhiko ITOH, Ling XU, Kenki TAKAGI, Toshiyuki TAMURA, Tomoaki HOKAO, Naoaki SUZUKI, Hisashi FUTAKI, Sadafuku HAYASHI, Kazuki EGUCHI, Kouichi KIMURA, Hiroki AOKI, Hideki BESSHO, Yoshinori WATANABE, Tooru KIKUCHI
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Publication number: 20190246270Abstract: A purpose of the present disclosure is to provide a communication system that are capable of maintaining a high security level in each divided network in the case of applying network slicing to a core network. A communication system according to the present disclosure includes a subscriber-information management apparatus (10) configured to manage subscriber information of a communication terminal; and a security apparatus (20) configured to manage identification information of the communication terminal in association with security information used in at least one network slice system usable by the communication terminal. The subscriber-information management apparatus (10) acquires, using the identification information of the communication terminal and identification information of a network slice system used by the communication terminal, security information used in the network slice system used by the communication terminal from the security apparatus (20).Type: ApplicationFiled: July 14, 2017Publication date: August 8, 2019Applicant: NEC CorporationInventors: Hironori ITO, Anand Raghawa PRASAD, Andreas KUNZ, Naoaki SUZUKI, Toshiyuki TAMURA
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Publication number: 20190230492Abstract: To provide an SCEF entity capable of suppressing an increase in processing load related to communication between an SCEF and an MME in Non-IP data communication. An SCEF entity (10) according to the present invention includes a storage unit (11) configured to buffer first Non-IP data not delivered to a communication terminal (40), and a control unit (12) configured to, when the first Non-IP data is buffered upon receiving second Non-IP data addressed to the communication terminal (40) from a server device (30), suppress transmission of the second Non-IP data to a control device (20) in a mobile network and buffer the second Non-IP data into the storage unit (11).Type: ApplicationFiled: October 5, 2017Publication date: July 25, 2019Applicant: NEC CorporationInventors: Naoaki SUZUKI, Norio UCHIDA
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Publication number: 20190191343Abstract: A radio communication network includes: a control plane (C-plane) node (24) located in a core network (20); a local gateway (14) located in a Radio Access Network (RAN) (10) including a base station (11). The C-plane node (24) has a C-plane of a PDN gateway and provides a first C-plane interface for communicating with a PCC entity relating to Policy and Charging Control (PCC). The local gateway (14) has a user plane of a PDN gateway and provides IP connectivity to the base station (11) to offload a particular type of traffic. The local gateway (14) further provides a second control plane interface for communicating with the C-plane node (24).Type: ApplicationFiled: August 3, 2016Publication date: June 20, 2019Applicant: NEC CORPORATIONInventors: Takanori IWAI, Toshiyuki TAMURA, Naoaki SUZUKI
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Patent number: 10327126Abstract: A communication apparatus includes a location information acquisition unit that acquires location information of a terminal, a reception unit that receives a call request transmitted by the terminal, a service identification unit that identifies a service of the request based on the location information of the terminal and a destination telephone number of the request, and a transmission unit that transmits a response to the terminal, when the service corresponding to the request cannot be provided.Type: GrantFiled: June 27, 2016Date of Patent: June 18, 2019Assignee: NEC CORPORATIONInventors: Naoaki Suzuki, Toshiyuki Tamura
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Publication number: 20190141081Abstract: A mobile network system comprises a security device and a network device. The security device stores slice security requirements which are different for each slice ID (identification). The slice ID indicates a network slice in a core network. The network device transmits, to the security device, a Slice Security Request including the slice ID. The network device receives, from the security device, a Slice Security Response including the slice security requirements related to the slice ID. The network device selects, based on the slice security requirements, a security algorithm for the network slice.Type: ApplicationFiled: April 27, 2017Publication date: May 9, 2019Applicant: NEC CorporationInventors: Andreas KUNZ, Anand Raghawa PRASAD, Naoaki SUZUKI, Hironori ITO
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Publication number: 20190110195Abstract: An object is to provide a key generation method capable of maintaining a high security level in each of sliced networks when network slicing is applied to a core network. A key generation method according to this disclosure specifies network slice identification information indicating a network slice system that provides a service to be used by a communication terminal (50) among a plurality of network slice systems included in a core network (10) and, using the network slice identification information, generates a service key to be used for security processing in the network slice system indicated by the network slice identification information.Type: ApplicationFiled: April 18, 2017Publication date: April 11, 2019Applicant: NEC CorporationInventors: Hironori ITO, Anand Raghawa PRASAD, Naoaki SUZUKI, Andreas KUNZ
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Publication number: 20180184277Abstract: A communication apparatus includes a location information acquisition unit that acquires location information of a terminal, a reception unit that receives a call request transmitted by the terminal, a service identification unit that identifies a service of the request based on the location information of the terminal and a destination telephone number of the request, and a transmission unit that transmits a response to the terminal, when the service corresponding to the request cannot be providedType: ApplicationFiled: June 27, 2016Publication date: June 28, 2018Applicant: NEC CorporationInventors: Naoaki SUZUKI, Tamura TOSHIYUKI
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Publication number: 20180124786Abstract: An object is to provide a network apparatus that can ensure allocable radio resources when the number of communication terminal performing carrier aggregation increases. A network apparatus (10) according to the present disclosure manages a base station (30) that allocates radio resources to a communication terminal (20) and performs communication. The network apparatus (10) includes a communication unit (11) for transmitting, to the base station (30), an instruction message when allocable radio resources are insufficient in the base station (30) or the allocable radio resources are expected to become insufficient in the base station (30). This instruction message instructs the base station (30) to stop using one (or some) of frequency bands for the communication terminal (20) performing communication using a plurality of frequency bands simultaneously.Type: ApplicationFiled: March 15, 2016Publication date: May 3, 2018Applicant: NEC CorporationInventors: Keiji FUKUI, Naoaki SUZUKI, Kazuo WATANABE, Toshiyuki TAMURA
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Publication number: 20180049200Abstract: An exemplary object is to provide a communication system that can flexibly determine whether carrier aggregation is applicable or not per UE. The communication system according to an exemplary embodiment of the invention includes a base station (10) that wirelessly communicates with a mobile station (20) by using at least one of a first frequency band and a second frequency band, the mobile station (20) being located concurrently in a cell (100) using a first frequency band and a cell (110) using a second frequency band, and a network device (30) that sends, to the base station (10), information to be used for determining a frequency band to be used.Type: ApplicationFiled: February 25, 2016Publication date: February 15, 2018Applicant: NEC CorporationInventors: Naoaki SUZUKI, Kazuo WATANABE, Keiji FUKUI, Toshiyuki TAMURA
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Publication number: 20180041909Abstract: An object is to provide a mobile communication terminal that can perform communication in a frequency band matching a band which is necessary for a communication terminal to perform communication. A mobile communication terminal includes: a communication unit (11) which connects to a mobile communication network (20) by using a first frequency band; a communication unit (12) which connects to the mobile communication network (20) by using a second frequency band; and a determining unit (13) which determines to connect to the mobile communication network (20) by using a service type and using at least one of the communication unit (11) and the communication unit (12) when performing communication via the mobile communication network (20), wherein the service type indicates service executed during the communication via the mobile communication network (20).Type: ApplicationFiled: March 8, 2016Publication date: February 8, 2018Applicant: NEC CorporationInventors: Keiji FUKUI, Naoaki SUZUKI, Kazuo WATANABE, Toshiyuki TAMURA
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Publication number: 20090246643Abstract: [Problems] The present invention provides a photosensitive composition capable of permanently forming a hologram having a low light scattering loss and high diffraction efficiency, and a forming method of a pattern. [Means for solving problems] A photosensitive composition used for forming a pattern by a pattern exposure containing (a) a polymerizable compound, (b) a photopolymerization initiator, and (c) organic-zirconia composite fine particles having a zirconia volume concentration of 20% by volume to 80% by volume; and a forming method of a pattern using the composition.Type: ApplicationFiled: August 14, 2007Publication date: October 1, 2009Applicants: NATIONAL UNIVERSITY CORPORATION THE UNIVERSITY OF ELECTRO-COMMUNICATIONS, NISSAN CHEMICAL INDUSTRIES , LTD.Inventors: Yasuo Tomita, Naoaki Suzuki, Motohiko Hidaka, Kentaro Ohmori, Keisuke Odoi
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Publication number: 20050218554Abstract: On a film transporting path in a film production equipment, there are a tension controlling device for controlling a tension to be applied to a TAC film. The tension cont v rolling device has a suction drum to which the TAC film is adsorbed and transported, and a dancer including a dancer roller. The film adsorption force of the suction drum is set in the range of 0.005N/cm2 to 0.1N/cm2. If the surface temperature of the TAC film is at least 50° C., the loading applied to the dancer roller is determined such that the difference of the tension may be zero or at most 500N/m. Thus it is prevented that hole shape transfers, wrinkles, scratched wounds and the like occur.Type: ApplicationFiled: March 28, 2005Publication date: October 6, 2005Inventor: Naoaki Suzuki
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Patent number: 6914703Abstract: A holographic recording material composition used for storing optical information as a spatial variation of refractive index, having: (a) a compound having at least one polymerizable functional group; (b) a photopolymerization initiator; and (c) colloidal silica particles having an average particle diameter of from 4 to 30 nm.Type: GrantFiled: March 24, 2004Date of Patent: July 5, 2005Assignees: Nissan Chemical Industries, Ltd.Inventors: Yasuo Tomita, Naoaki Suzuki
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Publication number: 20050068594Abstract: The present invention provides a holographic recording material composition used for storing optical information as a spatial variation of refractive index, comprising: (a) a compound having at least one polymerizable functional group; (b) a photopolymerization initiator, and (c) colloidal silica particles having an average particle diameter of from 4 to 30 nm.Type: ApplicationFiled: March 24, 2004Publication date: March 31, 2005Applicants: NISSAN CHEMICAL INDUSTRIES, LTD., YASUO TOMITAInventors: Yasuo Tomita, Naoaki Suzuki
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Patent number: 6065955Abstract: The present invention provides a method for recovering flatness of a web material which comprises heating a side edge portion of the web material at a temperature in a range from a glass transition temperature minus 40.degree. C. to a melting point of the web material for a period of from 1 to 600 seconds, and an apparatus for recovering flatness of a web material which comprises a plurality of conveying rollers for conveying the web material and a side edge portion heating means which surrounds and heats the side edge portion of the web material traveling through conveying rollers. According to the method and apparatus, the side edge portion(s) elongated by the previous heat treatment is recovered to a state similar to the central portion by reheating to correct the side edge portion(s), and thereby, flatness of the web material can be improved.Type: GrantFiled: December 29, 1998Date of Patent: May 23, 2000Assignee: Fuji Photo Film Co., Ltd.Inventors: Daisuke Fujikura, Naoaki Suzuki
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Patent number: 6017212Abstract: A method of winding a polymer film web around a cylindrical core, where the core is heated by blowing hot-air against the core prior to winding the polymer film web, and the polymer film web is wound around the heated core while blowing hot-air against the polymer film web. In another embodiment of the winding method, the polymer film is wound while knurled along both edge parts in the width direction of the film to form knurls so as to gradually decrease in the thickness thereof from one end of the film that contacts with the core toward the other end of the film. Furthermore, a heat treating method for annealing a film roll and a heat treating apparatus therefor are disclosed, which method comprises the steps of surrounding the film roll with heat insulating panels and blowing hot-air against the film roll in the direction along the core axis while rotating the core intermittently or continuously at a rotary speed of from 0.04 to 4 revolutions per hour.Type: GrantFiled: January 12, 1999Date of Patent: January 25, 2000Assignee: Fuji Photo Film Co., Ltd.Inventors: Daisuke Fujikura, Naoaki Suzuki, Takashi Nawano
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Patent number: 5895212Abstract: A method of winding a polymer film web around a cylindrical core, where the core is heated by blowing hot-air against the core prior to winding the polymer film web, and the polymer film web is wound around the heated core while blowing hot-air against the polymer film web. In another embodiment of the winding method, the polymer film is wound while knurled along both edge parts in the width direction of the film to form knurls so as to gradually decrease in the thickness thereof from one end of the film that contacts with the core toward the other end of the film. Furthermore, a heat treating method for annealing a film roll and a heat treating apparatus therefor are disclosed, which method comprises the steps of surrounding the film roll with heat insulating panels and blowing hot-air against the film roll in the direction along the core axis while rotating the core intermittently or continuously at a rotary speed of from 0.04 to 4 revolutions per hour.Type: GrantFiled: March 7, 1996Date of Patent: April 20, 1999Assignee: Fuji Photo Film Co., Ltd.Inventors: Daisuke Fujikura, Naoaki Suzuki, Takashi Nawano
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Patent number: 5879606Abstract: The present invention provides a method for recovering flatness of a web material which comprises heating a side edge portion of the web material at a temperature in a range from a glass transition temperature minus 40.degree. C. to a melting point of the web material for a period of from 1 to 600 seconds, and an apparatus for recovering flatness of a web material which comprises a plurality of conveying rollers for conveying the web material and a side edge portion heating means which surrounds and heats the side edge portion of the web material traveling through conveying rollers. According to the method and apparatus, the side edge portion(s) elongated by the previous heat treatment is recovered to a state similar to the central portion by reheating to correct the side edge portion(s), and thereby, flatness of the web material can be improved.Type: GrantFiled: February 7, 1996Date of Patent: March 9, 1999Assignee: Fuji Photo Film Co., Ltd.Inventors: Daisuke Fujikura, Naoaki Suzuki
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Patent number: 5762289Abstract: A core for winding a web of plastic film prior to heat treatment of the film is provided with annular collars having a height of 1 to 10 times the thickness of the film.The core includes a rigid cylindrical member of GFRP, CFRP, or a composite structure of metal or heat-resistant resin material and fiber reinforced plastics, and the annular collars provided at the ends of the cylindrical member. The annular collars protect the film from a cut end mark which may be caused by the end edge of the web, degradation of flatness, and slipping with the core while the web wound around the core accepts the heat treatment.Type: GrantFiled: August 20, 1996Date of Patent: June 9, 1998Assignee: Fuji Photo Film Co., Ltd.Inventor: Naoaki Suzuki