Patents by Inventor Oscar Garcia
Oscar Garcia 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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Patent number: 11991274Abstract: Some embodiments are directed to a system with a first cryptographic device (10) and second cryptographic device (20). The devices may compute a final seed from a preshared secret known to the devices, and on a pre-seed that exchanged between them. The final seed may be used to derive a common object (a).Type: GrantFiled: June 11, 2020Date of Patent: May 21, 2024Assignee: Koninklijke Philips N.V.Inventors: Oscar Garcia Morchon, Ludovicus Marinus Gerardus Maria Tolhuizen, Sauvik Bhattacharya
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Patent number: 11991285Abstract: Some embodiments relate to a first electronic network node is provided (110) configured for a cryptographic operation. The first network node is configured to receive as input a difficulty parameter (d), and a structure parameter (n), and to obtain a shared matrix (A), the shared matrix being shared a second network node through a communication interface, entries in the shared matrix A being selected modulo a first modulus (q), the shared matrix (A) being a square matrix (k×k) of dimension (k) equal to the difficulty parameter (d) divided by the structure parameter (n), the entries in the shared matrix (A) being polynomials modulo a reduction polynomial (ƒ) of degree equal to the structure parameter (n), said cryptographic operation using the shared matrix.Type: GrantFiled: January 12, 2023Date of Patent: May 21, 2024Assignee: Koninklijke Philips N.V.Inventors: Oscar Garcia Morchon, Ludovicus Marinus Gerardus Maria Tolhuizen, Sauvik Bhattacharya, Jose Luis Torre Arce
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Patent number: 11981878Abstract: The present invention relates to a method for municipal solid waste (MSW) reclamation in a continuous or discontinuous process first for converting said waste into organic biomass and subsequently extracting and recovering the most chemical compounds contained in said biomass possible, such as triglycerides, sugars and proteins. Therefore, the invention is comprised in the field of recycling, transforming solid waste into reusable solids and biofuels.Type: GrantFiled: June 21, 2019Date of Patent: May 14, 2024Assignee: ECONWARD TECH.Inventors: Rubén García Cano, Jorge Crespo Lobo, Ángel Rumbero Sanchez, Nuria Cano Adamuz, Alejandro Villacampa Sanagustín, Oscar Orozco González
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Patent number: 11963650Abstract: A sliding-pivoting mechanism for a rack includes two pivot arms pivotably secured to the carcass, arranged parallel to one another, and forming a parallel guide for a pull-out guide having a guide rail and a running rail to which the rack is fastened. A locking mechanism is arranged on the guide rail and on one of the pivot arms to prevent a simultaneous pivoting and sliding movement. The locking mechanism has a locking pin arranged movably on one of the pivot arms and a locking plate mounted in a positionally fixed manner with respect to the guide rail and which interacts with the locking pin to block a pivoting movement of the pivot arms if the rack is lifted into an upper loading and unloading position. An unlocking device, coupled to the locking mechanism, has an actuating element and an unlocking element to move the locking pin from a blocking position into a release position.Type: GrantFiled: March 4, 2020Date of Patent: April 23, 2024Assignee: Paul Hettich GmbH & Co. KGInventors: Oscar Garcia, Iker Lopetegi, Ander Martinez, Patrick Bon, Thomas Wieder
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Publication number: 20240129746Abstract: The invention relates to a method for operating a communication system including a primary station linked to a Core Network, said primary station serving a cell, a relay station served by the primary station and a secondary station served by the primary station, the method comprising the steps of the relay station establishing a connection with the primary station, including receiving in at least one first secure message from the primary station a first set of configuration parameters, the secondary station establishing a connection with the primary station, including receiving from the primary station in at least one second secure message a second set of configuration parameters linked to an upcoming data session, the relay station transmitting at least one transmitted service code from the first set, the secondary station establishing a direct communication with the relay station upon determination that the transmitted configuration parameters is included in the second set.Type: ApplicationFiled: February 22, 2022Publication date: April 18, 2024Inventor: Oscar Garcia Morchon
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Patent number: 11917063Abstract: Some embodiments are directed to a second cryptographic device (20) and a first cryptographic device (10). The first and second cryptographic devices may be configured to transfer a key seed. The key seed may be protected using a public key from one party and a private key from the other party. For example, a public key may be obtained from a private key through a noisy multiplication. At least one of the first and second cryptographic device may validate an obtained public key, e.g., to avoid leakage of the key seed or of a private key.Type: GrantFiled: December 24, 2020Date of Patent: February 27, 2024Assignee: Koninklijke Philips N.V.Inventors: Oscar Garcia Morchon, Paulus Mathias Hubertus Mechtildis Antonius Gorissen, Ludovicus Marinus Gerardus Maria Tolhuizen
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Publication number: 20240059227Abstract: A storage element which can be installed in a vehicle interior, in particular in a dashboard, has a tray and a lifting and lowering pull-out device with a body rail which is fixable in a stationary manner to a side wall of the vehicle interior, a tray rail with the tray arranged thereon, and two center rails which are arranged displaceably and pivotably with the body rail and the tray rail and are coupled to one another displaceably relative to one another in the direction of their longitudinal axis. The body rail is pivotably coupled to a first center rail via a first pivot guide web and the tray rail is pivotably coupled to a second center rail via a second pivot guide web. A stabilizing unit with a guide slot stabilizing the lifting and lowering movement of the tray rail and a guide element guided in the guide slot at least in a partial section of a lifting and lowering movement of the tray rail is arranged on the tray or the tray rail and the side wall of the vehicle interior or the body rail.Type: ApplicationFiled: December 1, 2021Publication date: February 22, 2024Inventors: Oscar GARCIA, Iker LOPETEGI, Benjamin BEXTERMOELLER, Arnold GURR, Ander MARTINEZ
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Patent number: 11909877Abstract: Some embodiments are directed to a public-key encryption device (20) and a private-key decryption device (10). The public-key encryption device is configured to compute a second public-key matrix (u), the second public-key matrix (u) having fewer matrix elements than the first public-key matrix (b) of the private-key decryption device. This reduces computation and bandwidth requirements at the side of the public-key encryption device.Type: GrantFiled: September 2, 2019Date of Patent: February 20, 2024Assignee: Koninklijke Philips N.V.Inventors: Oscar Garcia Morchon, Sauvik Bhattacharya, Ludovicus Marinus Gerardus Maria Tolhuizen
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Patent number: 11889967Abstract: A sliding-pivoting mechanism of a shelf of a piece of furniture or household appliance includes two pivot arms pivotally secured to a body and forming a parallel guide for a pull-out guide having at least one guide rail and a running rail. A locking mechanism is arranged on the guide rail and on one of the pivot arms for preventing a simultaneous pivoting and sliding movement. The locking mechanism has a locking pin moveably arranged on one of the pivot arms, and a locking plate mounted stationarily relative to the guide rail and with which the locking pin cooperates in such a way that a pivoting of the pivot arm is blocked when the shelf is raised into an upper loading and unloading position. An unlocking device is coupled to the locking mechanism and includes an actuation element and an unlocking element, with which the locking pin can be moved out of a blocking position into a release position.Type: GrantFiled: March 4, 2020Date of Patent: February 6, 2024Assignee: Paul Hettich GmbH & Co. KGInventors: Oscar Garcia, Ander Martinez, Patrick Bon, Thomas Wieder
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Publication number: 20240015008Abstract: The present invention relates to a method for a primary station distributing an encryption key to a plurality of secondary stations.Type: ApplicationFiled: October 29, 2021Publication date: January 11, 2024Inventor: Oscar Garcia Morchon
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Publication number: 20230412376Abstract: Some embodiments are directed to a communication system comprising a one or more clients, a server and a middlebox. The middlebox may access to the multiple short-term server private keys of the server. The middlebox may recover a shared key that is negotiated between server and client by decapsulating encapsulation data using a stored client public key and a server private key from the key storage.Type: ApplicationFiled: October 19, 2021Publication date: December 21, 2023Inventors: Oscar Garcia Morchon, Ludovicus Marinus Gerardus Maria Tolhuizen
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Patent number: 11800930Abstract: A pull-out guide has a guide rail, a running rail, which is mounted in a displaceable manner on the guide rail, and a braking device disposed between the guide rail and the running rail for braking the movement of the running rail relative to the guide rail. The braking device has at least one friction element, which is arranged between the running rail and the guide rail and can be displaced along a sliding surface by way of a contact pressure. The pull-out guide can thus be braked with continuous forces over a long period of time.Type: GrantFiled: February 4, 2020Date of Patent: October 31, 2023Assignee: PAUL HETTICH GMBH & CO. KGInventors: Oscar Garcia, Iker Lopetegi
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Publication number: 20230336346Abstract: An electronic key pre-distribution device (110) for configuring multiple network nodes (210, 211) with local key information is provided. The key pre-distribution device comprises applies at least a first hash function (147) and a second hash function (148) to a digital identifier of a network node. The first and second hash functions map the digital identifier to a first public point (141; H1(ID)) and a second public point (142; H2(ID)) on a first elliptic curve (131) and second elliptic curve (132). A first and second secret isogeny (135) is applied to the first and second public elliptic curve point (141, 142), to obtain a first private elliptic curve point (151) and second private elliptic curve point (152) being part of private key material (155) for the network node (210).Type: ApplicationFiled: June 26, 2023Publication date: October 19, 2023Inventors: Oscar GARCIA MORCHON, Sauvik BHATTACHARYA, Ludovicus Marinus Gerardus Maria TOLHUIZEN, Ronald RIETMAN, I
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Patent number: 11783013Abstract: A computer-implemented method of obfuscating a computer code comprises receiving (1201) an original computer program comprising a plurality of code blocks with computer instructions, the original computer program operable on input data within an input space, the original computer program operable to follow an execution path through the plurality of code blocks when receiving the input data, wherein the input space is segmented into at least one segment according to a segmentation, each segment comprising a subset of the input space containing inputs that correspond to a same execution path. A plurality of updated code blocks is included (1302) in the updated computer program. Selection code is operable 1303, during execution of the updated computer program, to select an updated code block of the plurality of updated code blocks in dependence on the input data. The selection code is included (1304) in the updated computer program.Type: GrantFiled: December 11, 2019Date of Patent: October 10, 2023Assignee: Koninklijke Philips N.V.Inventors: Paul Hubert Matthias Hutschemaekers, Maarten Peter Bodlaender, Oscar Garcia Morchon
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Publication number: 20230308877Abstract: The present invention relates to a method for a secondary station to obtain a time reference in a cellular network in order to verify the freshness of received messages. The method comprises the steps of receiving a plurality of system information, SI, messages from a plurality of primary stations, said SI messages including each a respective time reference information related to the corresponding primary station, checking the validity of a received signature for each of the primary stations, checking a cell identifier for each of the primary stations with a valid signature, and ignoring time reference information from primary stations with a cell identifier being identical to another primary station and having an earlier value than the one from the other primary station, and deducing a local time reference from one or more of the time reference information originating from primary stations with a valid signature.Type: ApplicationFiled: August 4, 2021Publication date: September 28, 2023Inventor: Oscar Garcia Morchon
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Patent number: 11728988Abstract: An electronic key pre-distribution device for configuring multiple network nodes with local key information is provided. The key pre-distribution device applies at least a first hash function and a second hash function to a digital identifier of a network node. The first and second hash functions map the digital identifier to a first public point and a second public point on a first elliptic curve and second elliptic curve. A first and second secret isogeny are applied to the first and second public elliptic curve points, to obtain a first private elliptic curve point and second private elliptic curve point that are part of private key material for the network node.Type: GrantFiled: February 12, 2018Date of Patent: August 15, 2023Assignee: Koninklijke Philips N.V.Inventors: Oscar Garcia Morchon, Sauvik Bhattacharya, Ludovicus Marinus Gerardus Maria Tolhuizen, Ronald Rietman
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Publication number: 20230153070Abstract: Some embodiments are directed to a cryptographic generation device for generating a random matrix. A random number initiation function may be executed in parallel for a number of random generating processes to obtain a random number state for each. Parallel random number generating processes together produce at least as many random numbers as elements in the random matrix.Type: ApplicationFiled: March 17, 2021Publication date: May 18, 2023Inventors: Oscar Garcia Morchon, Ludovicus Marinus Gerardus Maria Tolhuizen
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Publication number: 20230052293Abstract: Some embodiments are directed to a second cryptographic device (20) and a first cryptographic device (10). The first and second cryptographic devices may be configured to transfer a key seed. The key seed may be protected using a public key from one party and a private key from the other party. For example, a public key may be obtained from a private key through a noisy multiplication. At least one of the first and second cryptographic device may validate an obtained public key, e.g., to avoid leakage of the key seed or of a private key.Type: ApplicationFiled: December 24, 2020Publication date: February 16, 2023Inventors: Oscar Garcia Morchon, Paulus Mathias Hubertus Mechtildis Antonius Gorissen, Ludovicus Marinus Gerardus Maria Tolhuizen
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Patent number: 11569993Abstract: Some embodiments relate to a first electronic network node is provided (110) configured for a cryptographic operation. The first network node is configured to receive as input a difficulty parameter (d), and a structure parameter (n), and to obtain a shared matrix (A), the shared matrix being shared a second network node through a communication interface, entries in the shared matrix (A) being selected modulo a first modulus (q), the shared matrix (A) being a square matrix (k×k) of dimension (k) equal to the difficulty parameter (d) divided by the structure parameter (n), the entries in the shared matrix (A) being polynomials modulo a reduction polynomial (ƒ) of degree equal to the structure parameter (n), said cryptographic operation using the shared matrix.Type: GrantFiled: October 10, 2018Date of Patent: January 31, 2023Assignee: Koninklijke Philips N.V.Inventors: Oscar Garcia Morchon, Ludovicus Marinus Gerardus Maria Tolhuizen, Sauvik Bhattacharya, Jose Luis Torre Arce
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Patent number: 11497311Abstract: A runner for drawer elements, in particular drawers or trays, that are movable relative to a carcass of a piece of furniture or a household appliance is provided. The runner includes a carcass rail that can be secured directly or via a carcass bracket to a carcass of the piece of furniture or the household appliance, a running rail that can be secured to the movable drawer element, and electric conductors for transmitting electrical energy to a power consumer positioned on the movable drawer element. Positioned on the carcass rail or the carcass bracket is a printed circuit board extending over the length of the carcass rail, and positioned on the running rail is a contact apparatus that has at least one electrically conductive contact element which, when mounted, makes permanent electrical contact with the printed circuit board, and has a connecting element that is electrically connected to the contact element for connecting to the movable drawer element.Type: GrantFiled: June 7, 2019Date of Patent: November 15, 2022Assignee: PAUL HETTICH GMBH & CO. KGInventors: Oscar Garcia, Iker Lopetegi