Abstract: An AI learning system comprising: a sorter configured to sort, from among AI learning data, personal information that should be secret when creating a desired AI model, according to prescribed criteria; an encryptor configured to encrypts the sorted personal information; a holder configured to hold the AI learning data including the encrypted personal information in a blockchain; and an AI learner configured to perform secret calculations on at least the data portion related to encrypted the personal information to learn the AI model, using the stored AI learning data; wherein the sorting unit sets the prescribed criteria so as to reduce amount of calculation processing, depending on the degree of increase or decrease in the amount of calculation processing of the secure computation due to encryption of the personal information and the degree to which the personal information should be secret.

Abstract: A plurality of second articles are obtained from a first article by changing a manner of storage of the first article. A method of managing an NFT includes: managing a first NFT associated with the first article, the first NFT being issued using distributed ledger technology; and managing a plurality of second NFTs respectively associated with the plurality of second articles, the plurality of second NFTs being issued to each correspond to the first NFT using the distributed ledger technology. The managing of the first NFT includes recording first sensor data obtained by the first sensor, in association with the first NFT. The managing of the plurality of second NFTs includes recording second sensor data obtained by the second sensor, in association with the plurality of second NFTs.

Abstract: A server communicates with a holder terminal that is a terminal device of a holder of an NFT. The NFT is associated with a vehicle. The vehicle is stored by a dealer. The server includes a communication device and a processing device. The communication device obtains a monitoring record of a state of the vehicle, generated by a monitoring device that monitors the state of the vehicle during storage of the vehicle. The processing device generates transaction data including the monitoring record, triggered by reception of a generation request to generate the transaction data. The processing device generates the transaction data, triggered by reception of the generation request from the holder terminal.

Abstract: A server includes a storage device and a processor. The processor is configured to receive an issue request to issue, in association with a first non-fungible token that has been issued and recorded in a distributed ledger, one or more second non-fungible tokens, and perform an issue process to issue the one or more second non-fungible tokens in response to receiving the issue request. The first non-fungible token and the one or more second non-fungible tokens each include information representing authority to rent a vehicle and representing points to be consumed when the vehicle is rented. The points are shared among the first non-fungible token and the one or more second non-fungible tokens.

Abstract: An entity server includes a communication apparatus and a processor. The communication apparatus is configured to receive a delivery request that requests delivery of a vehicle to a user, the vehicle being associated with an NFT. When the communication apparatus receives the delivery request, the processor performs locking processing for locking the NFT.

Abstract: An entity server includes a communication apparatus and a processor. The communication apparatus is configured to receive a temporary use request that requests temporary use of a vehicle by a user, the vehicle being associated with an NFT. When the communication apparatus receives the temporary use request, the processor performs locking processing for locking the NFT.

Abstract: A control device reads power consumption, information on the delivery number and weight of a first product set, and information on the delivery number and weight of a second product set from a storage device. The control device proportionally divides the power consumption. The control device reads a first conversion formula from the storage device, and calculates CO2 emissions from transportation of the first product set from an A station to a B station and CO2 emissions from transportation of the second product set from the A station to the B station by substituting the power consumptions, into the first conversion formula.

Abstract: A management device includes a communication device and a control device. The communication device is configured to communicate with a moving object configured to transport a product from an upstream company to a downstream company. The control device is configured to calculate CO2 emissions emitted by transportation of the product based on an amount of energy consumed by the moving object from a transportation start time point to a transportation completion time point of the product.

Abstract: A management method for management of a CO2 emission amount emitted by production of a product in a production line where a first product and a second product are produced includes acquiring a power consumption amount consumed in the production line for a predetermined period, and calculating a CO2 emission amount for each product by allocating the power consumption amount based on a ratio of a total work time required to produce the first product in the production line during the predetermined period and a total work time required to produce the second product in the production line during the predetermined period.

Abstract: A management method for managing a CO2 emission amount to be emitted by producing a product, includes: reading out a first CO2 emission amount that is a CO2 emission amount per unit weight of a first raw material and a second CO2 emission amount that is a CO2 emission amount per unit weight of a second raw material; and calculating the CO2 emission amount of the product based on a CO2 emission amount to be calculated from the first CO2 emission amount and from a weight of the first raw material used to produce the product, and a CO2 emission amount to be calculated from the second CO2 emission amount and from a weight of the second raw material used to produce the product.

Abstract: A management device includes a communication unit that communicates with a company and a processor that calculates an amount of carbon dioxide emitted by manufacturing a product using a predetermined calculation method. The communication unit notifies the company of information including the amount of carbon dioxide, and the predetermined calculation method.

Abstract: A first management device provided in a first company provided upstream includes a communication unit that acquires position information of a transport vehicle when a product is transported to a second company provided downstream by the transport vehicle. In addition, the first management device includes a processor that performs control to notify the second company of information including an amount of carbon dioxide emitted by manufacturing the product, in a case where detection is made that the transport vehicle has entered premises of the second company based on the acquired position information.

Abstract: A management device is configured to manage CO2 emission amounts emitted from production of products on a production line. The management device includes a storage device configured to store a unit weight of a first product and a unit weight of a second product produced on the production line, and a control device that is configured to proportionally divide an electric power consumption amount consumed on the production line over a predetermined period, based on a weight ratio of a total weight of the first product and a total weight of the second product produced on the production line over the predetermined period, and calculate the CO2 emission amount for each product.

Abstract: A management device of a second corporation being configured to manage at least one product delivered from a first corporation on an upstream side to the second corporation on a downstream side, includes a first controller that is configured to transmit identification information of the product to the first corporation, and a second controller that is configured to manage the product. A first management device of the first corporation is configured to transmit, based on receiving the identification information from the first controller, first information to the first controller. The first information is information based on a first carbon dioxide amount emitted due to manufacturing the product. The second controller is configured to manage the product and the first carbon dioxide amount in correlation with each other.

Abstract: A management device includes a storage configured to store an amount of CO2 emissions emitted by manufacturing a secondary battery, and a controller configured to, when the secondary battery is recycled by a business operator who recycles the secondary battery, apportion the amount of CO2 emissions with the business operator according to a degree of deterioration of the secondary battery at a time of being recycled.

Abstract: An apparatus for SIC single crystal has an induction heating control unit such that frequency f (Hz) of alternating current to the induction heating unit satisfies Formula (1); D1 (mm) is permeation depth of electromagnetic waves into a crucible side wall by the heating unit, D2 (mm) is permeation depth of electromagnetic waves into a SIC solution, T (mm) is thickness of the crucible side wall of the crucible, and R (mm) is crucible inner radius: (D1?T)×D2/R>1.5??(1) where, D1 is defined by Formula (2) and D2 by Formula (3): D1=503292×(1/(f×?c×?c))1/2??(2) D2=503292×(1/(f×?s×?s))1/2??(3); ?c is electric conductivity (S/m) of the sidewall, ?s is electric conductivity (S/m) of the SiC solution; ?c is relative permeability of the sidewall, and ?s is relative permeability of the SIC solution.

Abstract: To suppress 3D or convex growth and ensure a high flatness, an apparatus for producing an SiC single crystal includes: a container which holds an SiC solution, a portion for maintaining the solution in the container at a suitable temperature, a shaft having a lower end part acting as a portion for holding an SiC seed crystal in planar contact with an overall back surface of a crystal growth face and acting as a portion for cooling the SiC seed crystal, and a portion of the holding shaft for enabling an SiC single crystal to continuously grow at the crystal growth face by maintaining the crystal growth face brought into contact with the solution, a lower end part of the shaft having a portion for obtaining a uniform in-plane temperature distribution of the crystal growth face brought into planar contact, and a method for the same.

Abstract: A manufacturing apparatus for SiC single crystal has a control unit to control induction heating such that frequency f (Hz) of alternating current to be passed to the induction heating unit satisfies Formula (1); D1 (mm) is permeation depth of electromagnetic waves into a side wall of a crucible by the heating unit, D2 (mm) is permeation depth of electromagnetic waves into a SiC solution, T (mm) is thickness of the crucible side wall of the crucible, and R (mm) is crucible inner radius: (D1?T)×D2/R>1??(1) where, D1 is defined by Formula (2), and D2 by Formula (3): D1=503292×(1/(f×?c×?c))1/2??(2) D2=503292×(1/(f×?s×?s))1/2??(3); ?c is electric conductivity (S/m) of the sidewall, ?s is electric conductivity (S/m) of the SiC solution; ?c is relative permeability of the sidewall, and ?s relative permeability of the SiC solution.

Abstract: A method of producing an SiC single crystal is provided in which an SiC single crystal is grown on a first seed crystal held at a lower end of a seed crystal holder, by immersing the first seed crystal in a source material melt in a crucible; this method of producing an SiC single crystal is characterized by carrying out a treatment that promotes the growth of a polycrystal in a region outside the first seed crystal.

Abstract: This application discloses a Load-UnLoad (LUL) hard disk drive comprising a disk base, a spindle motor mounted on the disk base for rotating at least one disk to create at least one rotating disk surface, and a head stack assembly pivotably coupled to the disk base and configured to engage an actuator latch when the sliders of the head stack assembly are to be parked. The actuator latch includes a latch beam coupled through a latch pivot to the disk base and a boss coupled to the latch beam and configured to limit the stroke of latch motion in the event of a rotary non-operational shock.