Patents by Inventor Daisuke Kawamura
Daisuke Kawamura 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: 20160225207Abstract: An electronic key registration system includes an electronic key and a communication master. The electronic key transmits a registration code. The communication master receives the registration code from the electronic key, code, obtains key information using the registration code, and registers the key information. The registration code is set in accordance with the communication master to which the electronic key is registered. The communication master includes a level determination unit, which determines a key registration security level when the electronic key is registered to the communication master, and a registration execution unit, which obtains the key information using the registration code based on the determined key registration security level and registers the key information to the communication master.Type: ApplicationFiled: January 28, 2016Publication date: August 4, 2016Applicants: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Daisuke KAWAMURA, Masahiro ARAKAWA, Masaki HAYASHI, Hiroaki IWASHITA, Tetsuya EGAWA, Kazunori ARAKAWA, Ryuta ATSUMI, Chihiro TATEBAYASHI
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Patent number: 9407436Abstract: An immobilizer ECU generates an encryption key using key generating logic, from a SEED code included in an ID code signal sent from an electronic key, and registers the encryption key to the immobilizer ECU. The immobilizer ECU receives an instruction from a registration and deletion tool and sends, to the electronic key, a deletion request signal that requests the deletion of the SEED code. The electronic key deletes the SEED code from the electronic key if a deletion request signal has been received.Type: GrantFiled: January 18, 2013Date of Patent: August 2, 2016Assignee: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHOInventors: Daisuke Kawamura, Hideki Kawai, Tetsuya Egawa, Hiroaki Iwashita, Toshihiro Nagae, Takeo Endo
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Patent number: 9397829Abstract: A method for registering first and second electronic keys, which are capable of controlling a communication subject, to a controller of the communication subject, wherein the first electronic key is to be initially registered, and the second electronic key is to be additionally registered, the method including: performing an additional key production process including storing, in the second electronic key, an additional encryption key generation code unique to the second electronic key and an additional encryption key that is used to verify the second electronic key; and performing a key additional registration process including obtaining the additional encryption key generation code from the second electronic key when identification information unique to the communication subject is stored in the second electronic key, generating the additional encryption key with an additional encryption key generation logic, and storing the additional encryption key in the controller.Type: GrantFiled: January 18, 2013Date of Patent: July 19, 2016Assignee: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHOInventors: Hiroaki Iwashita, Hideki Kawai, Tetsuya Egawa, Masaki Hayashi, Toshihiro Nagae, Daisuke Kawamura
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Patent number: 9392448Abstract: A wireless communications system that regularly executes verification between an electronic key and an immobilizer ECU, and sends and receives deletion request signals unrelated to verification, between the electronic key and the immobilizer ECU. The sending and receiving of deletion request signals is executed at intervals between the regularly executed verifications.Type: GrantFiled: January 18, 2013Date of Patent: July 12, 2016Assignee: KABUSHIKI KAISHA TOKI RIKA DENKI SEISAKUSHOInventors: Daisuke Kawamura, Hideki Kawai, Tetsuya Egawa, Hiroaki Iwashita, Toshihiro Nagae
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Patent number: 9330510Abstract: A method for registering an electronic key to a controller of a communication subject includes locating an electronic key ID of a registered electronic key, which is registered to a first controller that was previously installed in the communication subject, based on a communication subject ID unique to the communication subject, and reregistering the registered electronic key to a second controller installed in the communication subject in lieu of the first controller by storing the electronic key ID of the registered electronic key and an encryption code corresponding to the electronic key ID in the second controller.Type: GrantFiled: February 7, 2014Date of Patent: May 3, 2016Assignee: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHOInventors: Daisuke Kawamura, Hiroaki Iwashita, Masaki Hayashi, Masaki Oshima, Yosuke Ohashi, Kazunori Arakawa
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Patent number: 9306735Abstract: An electronic key registration system includes an electronic key device having a key ID. A controller having a first piece of information is arranged in a communication subject. A registration tool having a second piece of information is configured to write the key ID to the controller. The controller compares, before electronic key registration, the first piece of information and the second piece of information. The controller permits electronic key registration when the comparison indicates that the first piece of information and the second piece of information conform to each other and prohibits the electronic key registration when the comparison indicates that the first piece of information and the second piece of information do not conform to each other.Type: GrantFiled: October 1, 2013Date of Patent: April 5, 2016Assignee: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHOInventors: Daisuke Kawamura, Yuki Nawa
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Patent number: 9216201Abstract: The present invention provides a composition for regenerating cartilage or treating a cartilage disease containing a monovalent metal salt of alginic acid for which the endotoxin level thereof has been lowered to an extent that does not substantially induce inflammation or fever. As a result, it is possible to provide a composition for regenerating cartilage that improves cartilage regenerative action and ease of application to a cartilage injury lesion, and a composition for treating a cartilage disease, which has the effects of protecting cartilage from mechanical irritation, inhibiting degenerative changes in cartilage caused by wear and inflammation, repairing a cartilage injury lesion, and inhibiting inflammation and pain of joint tissue.Type: GrantFiled: January 9, 2013Date of Patent: December 22, 2015Assignees: Mochida Pharmaceutical Co., Ltd., National University Corporation Hokkaido UniversityInventors: Norimasa Iwasaki, Akio Minami, Yasuhiko Kasahara, Tatsuya Igarashi, Daisuke Kawamura, Fumiyoshi Kasahara, Chihiro Miyajima, Nobuo Ohzawa, Mariko Imai
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Patent number: 9143320Abstract: An electronic key registration system includes a controller of a communication subject, an initial electronic key that communicates with the communication subject and has an initial encryption key generation code, an additional electronic key that communicates with the communication subject, and an information center including an additional encryption key. The initial electronic key holds an initial encryption key generated from the initial encryption key generation code and a logic. The controller holds the logic and identification information of the communication subject. The controller acquires the initial encryption key generation code from the initial electronic key, generates an initial encryption key from the initial encryption key generation code and the logic held by the controller, and stores the initial encryption key. The information center sends the additional encryption key to the additional electronic key or the controller through a network.Type: GrantFiled: May 1, 2013Date of Patent: September 22, 2015Assignee: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHOInventors: Daisuke Kawamura, Hiroaki Iwashita, Masaki Hayashi, Toshihiro Nagae, Hisashi Kato, Tetsuya Egawa
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Patent number: 9141693Abstract: [Object] To lead a user to various types of information easily with an electronic book as a starting point. [Solving Means] A server apparatus includes a storage, a communication section, and a controller. The storage stores an electronic book obtained by digitizing a book having at least one page in which at least one information item is represented, and associated information that is associated with the information item. The communication section communicates with an external electronic apparatus. The controller generates, when the electronic book is displayed by the external electronic apparatus and the information item of the electronic book is designated, an electronic book unit by adding first metadata to the information item so that display processing of the associated information is executed on the external electronic apparatus, and controls the communication section to transmit the generated electronic book unit to the external electronic apparatus.Type: GrantFiled: April 20, 2010Date of Patent: September 22, 2015Assignee: SONY CORPORATIONInventors: Akihiko Ito, Daisuke Kawamura, Kazuhiro Fukuda
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Patent number: 9137658Abstract: An offline immobilizer ECU reads an encryption key generation code from an offline additional electronic key and generates an electronic key encryption key for the offline additional electronic key using the encryption key generation code and a communication subject key encryption key held by the immobilizer ECU. The immobilizer ECU stores, in a memory, the generated electronic key encryption key and a key ID code that is read from the offline additional electronic key.Type: GrantFiled: May 28, 2013Date of Patent: September 15, 2015Assignee: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHOInventors: Daisuke Kawamura, Hiroaki Iwashita, Masaki Hayashi, Toshihiro Nagae, Hisashi Kato, Tetsuya Egawa
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Patent number: 9094382Abstract: An immobilizer ECU transmits a vehicle ID code and a SEED code, which is read from an electronic key, to a data center online. The data center generates an encryption key from the received SEED code and a first logic, and generates a further SEED code from the encryption key, the vehicle ID code, and a second logic. The immobilizer ECU obtains the further SEED code online from the data center, generates the encryption key from the obtained further SEED code, the vehicle ID code, and the second logic, and stores the encryption key.Type: GrantFiled: May 28, 2013Date of Patent: July 28, 2015Assignee: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHOInventors: Daisuke Kawamura, Hiroaki Iwashita, Masaki Hayashi, Toshihiro Nagae, Hisashi Kato, Tetsuya Egawa
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Patent number: 9070279Abstract: An electronic key registration system includes a controller arranged in a communication subject communicable with an electronic key. A registration tool is in wired or wireless connection with the communication subject. The registration tool registers the electronic key to the controller when receiving a registration permission signal. An information center is connected to a network. The registration tool includes an operator ID acquisition unit that acquires an operator ID from a key registration operator. A communication unit sends the operator ID to the information center through the network. The information center includes an operator ID verification unit that verifies the operator ID received from the registration tool. A permission information notification unit sends, when the operator ID is verified, a registration permission signal to the registration tool through the network to permit the registration tool to perform the registration process.Type: GrantFiled: April 16, 2013Date of Patent: June 30, 2015Assignee: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHOInventors: Takahiro Shimizu, Tetsuya Egawa, Akihito Kimura, Toshihiro Nagae, Daisuke Kawamura, Hiroaki Iwashita
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Patent number: 9023432Abstract: According to one embodiment, an resist material for imprinting comprises a first resin component nonvolatile at a substrate on which to form an imprinting pattern, a second resin component volatile at the substrate, and a coupling reaction initiator that promotes curing of the first resin component.Type: GrantFiled: March 20, 2012Date of Patent: May 5, 2015Assignee: Kabushiki Kaisha ToshibaInventor: Daisuke Kawamura
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Patent number: 9020441Abstract: A signal transfer time measurement apparatus measures a transfer time of a signal transmitted from a base station and returned via a terminal to the base station. The signal transfer time measurement apparatus includes a signal processor that divides the signal into a plurality of frequency bands and transmits the signal in the plurality of frequency bands.Type: GrantFiled: June 28, 2013Date of Patent: April 28, 2015Assignee: Kabushiki Kaisha Tokai Rika Denki SeisakushoInventors: Kenichi Koga, Daisuke Kawamura
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Patent number: 9020147Abstract: A method for registering first and second electronic keys to a controller of a communication subject through communication with a data center includes acquiring first and second key identification information from the first and second electronic keys with the controller, transmitting communication subject identification information together with both of the first and second key identification information from the controller to the data center, acquiring a first encryption key generation code corresponding to the first electronic key together with a second encryption key generation code corresponding to the second electronic key from the data center with the controller, generating a first key encryption key based on the first encryption key generation code with the controller, generating a second key encryption key based on the second encryption key generation code with the controller, and storing the first and second key encryption keys in the controller.Type: GrantFiled: October 21, 2013Date of Patent: April 28, 2015Assignee: Kabushiki Kaisha Tokai Rika Denki SeisakushoInventors: Daisuke Kawamura, Yuki Nawa
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Patent number: 9013420Abstract: A display device includes a display section displaying instruction information to be instructed to users in an instruction information display region provided corresponding to the instruction information, a touch panel capturing an instruction represented by the instruction information displayed in the instruction information display region, in response to a users' touch operation to a touch detection region provided corresponding to the instruction information display region, and a control section performing a predetermined operation control based on the instruction information inputted through the touch panel. The instruction information display region is provided in an upward zone within the touch detection region.Type: GrantFiled: November 1, 2011Date of Patent: April 21, 2015Assignee: Sony CorporationInventors: Daisuke Kawamura, Takahiro Ushioda, Shingo Utsuki
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Publication number: 20150010145Abstract: A method for registering first and second electronic keys, which are capable of controlling a communication subject, to a controller of the communication subject, wherein the first electronic key is to be initially registered, and the second electronic key is to be additionally registered, the method including: performing an additional key production process including storing, in the second electronic key, an additional encryption key generation code unique to the second electronic key and an additional encryption key that is used to verify the second electronic key; and performing a key additional registration process including obtaining the additional encryption key generation code from the second electronic key when identification information unique to the communication subject is stored in the second electronic key, generating the additional encryption key with an additional encryption key generation logic, and storing the additional encryption key in the controller.Type: ApplicationFiled: January 18, 2013Publication date: January 8, 2015Applicant: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHOInventors: Hiroaki Iwashita, Hideki Kawai, Tetsuya Egawa, Masaki Hayashi, Toshihiro Nagae, Daisuke Kawamura
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Publication number: 20150003613Abstract: An immobilizer ECU generates an encryption key using key generating logic, from a SEED code included in an ID code signal sent from an electronic key, and registers the encryption key to the immobilizer ECU. The immobilizer ECU receives an instruction from a registration and deletion tool and sends, to the electronic key, a deletion request signal that requests the deletion of the SEED code. The electronic key deletes the SEED code from the electronic key if a deletion request signal has been received.Type: ApplicationFiled: January 18, 2013Publication date: January 1, 2015Inventors: Daisuke Kawamura, Hideki Kawai, Tetsuya Egawa, Hiroaki Iwashita, Toshihiro Nagae, Takeo Endo
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Publication number: 20140355761Abstract: A wireless communications system that regularly executes verification between an electronic key and an immobilizer ECU, and sends and receives deletion request signals unrelated to verification, between the electronic key and the immobilizer ECU. The sending and receiving of deletion request signals is executed at intervals between the regularly executed verifications.Type: ApplicationFiled: January 18, 2013Publication date: December 4, 2014Inventors: Daisuke Kawamura, Hideki Kawai, Tetsuya Egawa, Hiroaki Iwashita, Toshihiro Nagae
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Publication number: 20140359292Abstract: A method for registering a first electronic key, which is capable of controlling a communication subject, to a controller of the communication subject, the method including: performing an initial production process including storing identification information unique to the communication subject in the controller, and storing an encryption key generation code unique to the first electronic key and an encryption key that is used to verify the first electronic key in the first electronic key; and performing an initial registration process including writing the identification information stored in the controller to the first electronic key, obtaining the encryption key generation code from the first electronic key, generating the encryption key with an encryption key generation logic that uses the encryption key generation code, storing the encryption key in the controller, and storing encryption key information related to the encryption key in a database in association with the identification information.Type: ApplicationFiled: January 18, 2013Publication date: December 4, 2014Inventors: Daisuke Kawamura, Hideki Kawai, Tetsuya Egawa, Hiroaki Iwashita, Toshihiro Nagae, Masaki Hayashi