Fujitsu Corporation

Sony Corporation

Canon Kabushiki Kaisha

Ricoh Company, Ltd.

Satoshi Imai

Akiko Yamada

Makoto Kobayashi

Shinichiro Kohri

Hitoshi Saito

Toru Maeda

Kazuhiro Sugawara

Toru Fujino

Naomi Nakamura

Yasushi Morimoto

Masanori Momose

Takahiro Okabe

Mitsuru Ichikawa

Tatsuo Makii

Toshio Soumiya

Koji Nakamichi

Fujio Kanai

Atsushi Horidan

Motoyoshi Sekiya

Hiroshi Yamamoto

Hitoshi Yamada

Toru Katagiri

Hiroshi Koide

Nobuaki Aoki

Hitoshi Ueno

Atsuhiro Suga

Akira Chugo

Hiroki Ichiki

Yasutaka Takahashi

Yutaka Sato

Tetsuya Yamada

Hiromichi Matsuda

Ritsuko Otake

Hideo Miyake

Satoshi Nakano

Tomohiko Baba

Hiroto Ogiyama

Minoru Takahashi

Shuji Shimizu

Takeshi Takizawa

Sho Shimizu

Yoshito Asoma

Ken Kuroda

Kyosuke Yoshida

Yasuki Nakamura

Hiroaki Yukawa

Fumihiko Hayakawa

Dai Suzuki

Katsutoshi Sato

Masashi Nishimoto

Hideo Okamoto

Li Lei

Masanori Hayashi

Hironori Shimizu

Hideki Yamaoka

Koichiro Ohtsuka

Noritoshi Eguchi

Takatoshi Uneme

Kazuki Sakae

Takashi Warashina

Noboru Terai

Satoru Yoshioka

Motoshige Ito

Keishi Iwana

Ryosuke Sawano

Masayasu Mizushima

Hiroyuki Tabei

Takanori Matsunaga

Tomoki Taguchi

Ryotaro Matsushita

Yasunari Kawashima

Michihide Kimura

An image-capturing apparatus according to an embodiment of the present technology includes a base plate, a base body, a lens holding section, and a first bonding material. An imaging element is implemented on the base plate. The base body includes a first surface portion arranged to be oriented toward the base plate, and is connected to the base plate. The lens holding section includes a second surface portion spaced from the first surface portion, and holds a lens section that forms an image of light that enters the lens section. The first bonding material is filled into a space between the first surface portion and the second surface portion to connect the base body and the lens holding section.

Image-capturing apparatus

A control device that controls a transfer device, includes a memory and a processor coupled to the memory and configured to evaluate, for each of a plurality of processing rules to be used to process a packet in the transfer device, a processing load caused upon identification of a packet matching the processing rule, based on the type of an application requirement identifying the packet to which the processing rule is applied, generate, as a table to be used by the transfer device, a rule table storing the plurality of processing rules in order from the lowest processing load to the highest processing load, and transmit, to the transfer device, a control packet to request the transfer device to set the rule table.

Control device, transfer device, and control method

An apparatus serves as a node device included in a distributed data sharing network, and shares, by using a blockchain, a piece of event information related to an event generated in a terminal, among node devices included in the distributed data sharing network, where the blockchain is a continuously growing list of blocks which are linked and secured using cryptography. The apparatus generates a piece of event data including the piece of event information related to the event, and causes the generated piece of event data to be stored in one of the node devices included in the distributed data sharing network.

Apparatus and method to perform secure data sharing in a distributed network by using a blockchain

A communication device belonging to a first cluster among a plurality of clusters includes a memory, a processor, and a network connection device. The memory stores identification information of another cluster that has information being retrievable by a terminal connecting to the communication device in a summary of data held by the other cluster. The processor performs, upon receiving a combination of identification information of a second cluster that holds retrieval-target data and identification information of the retrieval-target data from the terminal that accessed the summary, a control to request target data identified by the combination. The network connection device forwards the target data to the terminal.

Communication device and communication method

An edge server includes a memory configured to store obtained terminal information and a processor coupled to the memory and configured to obtain, from the terminal device, terminal information including a location and a moving speed of the terminal device and at a first time when the terminal device is located within a coverage area of the edge server, estimate a location of the terminal device at a second time after the first time based on at least first terminal information of the terminal device obtained at the first time, and copy the accumulated edge data of the terminal device to another edge server whose coverage area includes the estimated location of the terminal device at the second time.

Edge server and data management method

An edge server disposed on an edge of a cloud network, includes: a processor, wherein when encryption key information relating to a terminal which requests a connection to the edge server and the encryption key information generated before the request, is included in shared information shared between a cloud server and another edge server in the cloud network, the processor is configured to start encryption communication with the terminal using the encryption key information of the shared information.

Edge server, encryption communication control method thereof, and terminal

A control apparatus includes a memory, and a processor coupled to the memory and the processor configured to receive a request to generate a communication path, calculate patterns in each of which a plurality of processing conditions for use in processing to be performed by communication devices arranged on the communication path are assigned to the communication devices usable to generate the communication path, determine a determined pattern for use in setting of a processing condition of the plurality of processing conditions from the calculated patterns, based on estimation information for associating a number of processing conditions with an estimated value of a throughput, the number of processing conditions and the estimated value of the throughput being set for the communication devices, and transmit a control packet to request each of the communication devices used in the determined pattern to set the processing condition along the determined pattern.

Control apparatus and processing method for control apparatus

A route search apparatus includes a storage configured to store information of a search tree associated with a topology of a network, and a processor configured to search for candidates of a route from a start point node to an end point node and exclude from search candidates a route from a first node to the end point when a total value of a hop length from the start point node to the first node and the shortest hop length from the first node to the end point node exceeds a predetermined hop length.

Route search apparatus and route search method

A node includes a processor that is configured to derive, based on a delivery tree for a content, a logical sub tree structure including a first layer node and second layer nodes lower than the first layer node; calculate first electric power information used for caching the content in the first layer node in the sub tree structure; compare the first electric power information to second electric power information calculated by the second layer nodes in the sub tree structure and used for caching the content in the second layer nodes, then calculate a threshold for a content request rate for each of the second layer nodes; provide control to set the calculated threshold to the second layer nodes; and determine possibility of a cache allocation of the content by comparing a measured content request rate with the threshold.

Autonomous distributed cache allocation control system

A tunnel management device includes: a central processing unit configured to manage a tunnel that establishes a virtual network to be overlaid on a IP network; and a memory coupled to the central processing unit, wherein the central processing unit: extracts a second tunnel in the virtual network that uses a second route in the IP network where a number of times a portion of a first route in the IP network is used by a first tunnel in the virtual network is used is minimized.

Tunnel management device, communication control device, and tunnel management method

A data distribution device includes: a memory configured to store cache data of data to be distributed; and a processor coupled to the memory and configured to: read the cache data from the memory in accordance with a request message received from other devices to distribute the cache data to the other devices, update, when the request message is received, a counter value that gets closer to a given value with time, so as to make the counter value move away from the given value in accordance with a reference value that is a reciprocal of a threshold value of a reception rate of the request message, whether or not to store the cache data being determined based on the reception rate; and discard the cache data in the memory when the counter value becomes the given value.

Data distribution device and data distribution method

A location manager includes a memory and a processor coupled to the memory. The processor executes a process including extracting a combination of a transfer device and a path by using topology information indicating a relation of connections among transfer devices. The process including calculating a sum of an amount of electric power consumed by the transfer device being included in the combination to store the data and an amount of electric power consumed by transfer devices on a path included in the combination to transfer the data. The process including selecting a combination of which the sum of electric power calculated at the calculating is a minimum sum out of the combinations extracted at the extracting. The process including outputting information indicating the combination selected at the selecting.

Network management for optimizing cache location

According to the information about a request bandwidth of a path newly requested between a starting site and an ending site of the requested path and the information about the type of a device candidate which may be provided at each site and the number of ports of each device, an objective function indicating a device cost and a constraint to be considered when the objective function is minimized are set. According to the arithmetic performance of a solver for executing the design, a problem scale corresponding to one path accommodation designing operation is set. Based on the set problem scale, a mathematical programming problem for minimizing the objective function is generated. An accommodation designing process is repeated on a plurality of paths until a solution to the mathematical programming problem is obtained by the solver, and all requested paths are completely designed.

Network design device

An operator sets a path demand to be accommodated, and sets information of a device candidate, the number of ports, a path route and the like, which are demanded for a network, in an objective function that indicates a total cost when the path demand to be accommodated is newly included in the network. A mathematical programming problem for minimizing the objective function under a constraint condition derived from a configuration of the network is set, and a solution is obtained by using a solver for solving the mathematical programming problem. A device is added or the like to the network based on the obtained solution, and the demanded path is added to the network.

Network design system

A network control apparatus includes: a power consumption collecting unit configured to collect power consumption information measured by at least one electrical node included in an electrical layer network and at least one optical node included in an optical layer network; a cut-through range identifying unit configured to calculate an optical cut-through path based on the collected power consumption information; and a cut-through path setting instructing unit configured to instruct the electrical node and the optical node to set the optical cut-through path based on the calculation result in the cut-through range identifying unit.

Network control apparatus, network control system, and network control method

Growing community of inventors

Kawasaki, Japan

Satoshi Imai