Patents by Inventor Hiroaki Nakajima
Hiroaki Nakajima 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: 8281177Abstract: There is provided a distributed control system including a plurality of field controllers which are connected through a control network. Each of the field controllers includes: a control clock that defines a control timing of the field controller; and an adjustment unit that adjusts a control time of the control clock depending on a network time obtained through the control network.Type: GrantFiled: February 4, 2010Date of Patent: October 2, 2012Assignee: Yokogawa Electric CorporationInventors: Hideharu Yajima, Satoshi Kitamura, Senji Watanabe, Masafumi Kisa, Kazushi Sakamoto, Hiroyuki Takizawa, Kuniharu Akabane, Yoshinori Kobayashi, Kenji Habaguchi, Kiyotaka Kozakai, Mitsuhiro Kurono, Hiroaki Nakajima, Takeshi Hongo
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Patent number: 8226612Abstract: A needle assembly for introducing an indwelling catheter into a blood vessel is provided. The needle assembly may include a handle including a flashback chamber configured to allow inflow of flashback blood, and a needle hub. The handle and the needle hub may each be configured with through holes to allow flashback of blood from a needle to the flashback chamber without a mediating member between the through holes.Type: GrantFiled: April 27, 2007Date of Patent: July 24, 2012Assignee: Medikit Co., Ltd.Inventor: Hiroaki Nakajima
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Patent number: 8190941Abstract: The field control system includes: a field device; a field controller which is connected to a control network and which executes a computation processing for controlling the field device according to a given control cycle while executing a data communication between the field controller and the field device, the field controller including a communication unit configured to execute the data communication with the field device, and a control computation unit configured to execute the computation processing independently from the communication unit; and an operation monitor which is connected to the control network and which operates and monitors the field device, the operation monitor including a network clock which provides a common network time to the control network. The control computation unit and the communication unit execute the computation processing and the data communication in synchronism with each other in accordance with a timer clock based on the network time.Type: GrantFiled: February 4, 2010Date of Patent: May 29, 2012Assignee: Yokogawa Electric CorporationInventors: Satoshi Kitamura, Senji Watanabe, Hideharu Yajima, Masafumi Kisa, Kazushi Sakamoto, Hiroyuki Takizawa, Kuniharu Akabane, Yoshinori Kobayashi, Kenji Habaguchi, Kiyotaka Kozakai, Mitsuhiro Kurono, Hiroaki Nakajima
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Publication number: 20120106323Abstract: A link control function unit 506 of a device 500 notifies a counterpart device 600 of a line in which a link disconnection occurs among lines 508 to 510 and L500 terminated at line terminals 501 to 503 or a lower stage line terminal 504 of the self device 500 and the cause of the link disconnection is not a forcible closure of a line terminal of the self device. Further, the link control function unit 506 does not forcibly close the lower stage line terminal 504 of the self device 500 if a line in which a link disconnection occurs, notified from the counterpart device 600, is a line terminated at a lower stage line terminal 604 of the counterpart device 600.Type: ApplicationFiled: June 22, 2009Publication date: May 3, 2012Applicant: NEC CORPORATIONInventors: Atsuya Yamashita, Shinya Kurosaki, Satoshi Ishikura, Hiroaki Nakajima
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Publication number: 20120093171Abstract: A data transfer device 210 is equipped with a plurality of communication ports 211a and 211b, a communication establishment processor 212, and a communication maintenance processor 213. The communication establishment processor 212 transmits and receives communication establishing information for establishing communication with an external device connected via the communication port to and from the external device. The communication maintenance processor 213 is configured to operate independently of the communication establishment processor 212 and, every time a predetermined transmission period elapses, transmits communication maintaining information for maintaining the establishment of communication with the external device, to the external device.Type: ApplicationFiled: November 13, 2009Publication date: April 19, 2012Inventors: Atsuya Yamashita, Tsutoma Mieno, Hiroaki Nakajima, Akira Sakurai
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Patent number: 8124344Abstract: The present invention has an object to provide a method of determining fatty acid composition in intramuscular fat on the basis of bovine genotype, in particular a method of simply determining an amount of an oleic acid content with a high degree of accuracy, and a method of objectively determining the goodness of eating quality of beef on the basis of the results of the determination. The present invention provides a method of determining an amount of fatty acid content in bovine intramuscular fat on the basis of the genotype of fatty acid synthase determined by determining base <1> and/or base <2> described below, and a method of determining whether cattles are those from which beef with an excellent eating quality is obtained on the basis of the results thereof. <1> A 16,024th base corresponding to a polymorphic site which is either adenine (A) or guanine (G) in a base sequence represented by SEQ ID NO. 1 of a sequence list.Type: GrantFiled: September 4, 2007Date of Patent: February 28, 2012Assignees: National Livestock Breeding Center (NLBC) Incorporated Administrative Agency, Yamagata PrefectureInventors: Tsuyoshi Abe, Junichi Saburi, Eiji Kobayashi, Hiroaki Nakajima, Noriaki Shoji
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Publication number: 20120020289Abstract: An external signal is received by the first wireless transmission device of one wireless transmission device group, and then is divided. One divided signal is transmitted to the first wireless transmission device of the other wireless transmission device group opposite to the one wireless transmission device group, and the other divided signal is transmitted to the second wireless transmission device of the one wireless transmission device group. In the same manner, in the second, third, . . . , wireless transmission devices of the one wireless transmission device group, an input signal is divided into two signals, and the divided signals are each transmitted to the opposing wireless transmission device of the other wireless transmission device group and to the adjacent wireless transmission device of the one wireless transmission device group.Type: ApplicationFiled: February 3, 2010Publication date: January 26, 2012Inventor: Hiroaki Nakajima
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Patent number: 8075529Abstract: An indwelling needle assembly usable in combination with an infusion system for infusion into a patient's body is disclosed. The indwelling needle assembly is comprised of a needle having a needlepoint insertable into the patient's body; a sleeve slidably fitted on the needle; a catheter including a catheter tube slidably fitted on the sleeve; a base body fixed to a proximal end of the needle; and a slider fixed to the sleeve and slidably engaged with the base body so as to be movable between a first position to have the needlepoint projecting out of the sleeve and a second position to have the needlepoint retracted in the sleeve, wherein the needle, the sleeve, the base body and the slider are unitarily extractable from the catheter.Type: GrantFiled: December 18, 2007Date of Patent: December 13, 2011Assignees: Medikit Co., Ltd., Togo Medikit Co., Ltd.Inventors: Hiroaki Nakajima, Toshikazu Ohashi
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Patent number: 8060769Abstract: There is provided a duplexed field controller. The duplexed field controller includes: first and second control units between which a control authority is switchable; a first application clock that is updated based on a reference clock so as to define a timing of an application operation of the first control unit; a second application clock that is updated based on the reference clock so as to define a timing of an application operation of the second control unit; and an update control unit that bypasses the first update of the second application clock after switching of the control authority, if the first application clock is ahead of the second application clock when the control authority is switched from the first control unit to the second control unit.Type: GrantFiled: February 4, 2010Date of Patent: November 15, 2011Assignee: Yokogawa Electric CorporationInventors: Hideharu Yajima, Satoshi Kitamura, Senji Watanabe, Masafumi Kisa, Kazushi Sakamoto, Hiroyuki Takizawa, Kuniharu Akabane, Yoshinori Kobayashi, Kenji Habaguchi, Kiyotaka Kozakai, Mitsuhiro Kurono, Hiroaki Nakajima
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Publication number: 20110244813Abstract: This communication system is equipped with a plurality of transceiver devices each composed of a transmission device that transmits unit data and a reception device that receives unit data from the transmission device. The transmission devices are connected in series. Each of the transmission devices stores identification information for identifying the device itself. The transmission device accepts unit data from a front stage side. The transmission device generates identification information for identifying one of the transmission devices from information included in the accepted unit data, in accordance with a predetermined generation process. In a case that the generated identification information corresponds to the stored identification information, the transmission device transmits the accepted unit data to the reception device.Type: ApplicationFiled: November 13, 2009Publication date: October 6, 2011Inventors: Taiki Kanai, Akira Sakurai, Atsuya Yamashita, Hiroaki Nakajima
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Publication number: 20110022027Abstract: Biocompatible nanoparticles 1 which entrap a bioactive substance and whose surface is positive-charge-modified are electrically adhered to a balloon portion 9 of a catheter main body 5 through a negatively charged resin layer 11, and thus a nanoparticle layer 12 is formed. After the catheter main body 5 is indwell in vivo, the nanoparticles 1 are gradually eluted from the nanoparticle layer 12 and are effectively delivered to cells.Type: ApplicationFiled: March 12, 2009Publication date: January 27, 2011Applicants: HOSOKAWA MICRON CORPORATION, AnGes MG, Inc., MEDIKIT CO., LTD.Inventors: Ryuichi Morishita, Hironori Nakagami, Takashi Miyake, Makoto Mitamura, Hiroaki Nakajima, Hiroaki Matsuda, Nao Suizu, Yoshihumi Kawano, Kunihiko Takagi, Hiroyuki Tsujimoto, Yusuke Tsukada, Kaori Hara, Yohei Bando
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Publication number: 20100297949Abstract: A problem that a loss of signal occurs due to switching of a modulation scheme using an adaptive modulation scheme is solved. A radio transmission device (10a, 10b) having an automatic transmission power control function of controlling transmission power of its own station so as to maintain received power of a counter station at a preset constant value and a function of an adaptive modulation scheme for automatically switching over a modulation scheme depending on quality of a radio transmission path includes a modulation scheme determining circuit (14a, 14b) for switching over the modulation scheme by using the adaptive modulation scheme in consideration of a transmission power margin and the received power.Type: ApplicationFiled: January 16, 2009Publication date: November 25, 2010Inventor: Hiroaki Nakajima
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Publication number: 20100198363Abstract: There is provided a distributed control system including a plurality of field controllers which are connected through a control network. Each of the field controllers includes: a control clock that defines a control timing of the field controller; and an adjustment unit that adjusts a control time of the control clock depending on a network time obtained through the control network.Type: ApplicationFiled: February 4, 2010Publication date: August 5, 2010Applicant: YOKOGAWA ELECTRIC CORPORATIONInventors: Hideharu Yajima, Satoshi Kitamura, Senji Watanabe, Masafumi Kisa, Kazushi Sakamoto, Hiroyuki Takizawa, Kuniharu Akabane, Yoshinori Kobayashi, Kenji Habaguchi, Kiyotaka Kozakai, Mitsuhiro Kurono, Hiroaki Nakajima, Takeshi Hongo
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Publication number: 20100199003Abstract: The field control system includes: a field device; a field controller which is connected to a control network and which executes a computation processing for controlling the field device according to a given control cycle while executing a data communication between the field controller and the field device, the field controller including a communication unit configured to execute the data communication with the field device, and a control computation unit configured to execute the computation processing independently from the communication unit; and an operation monitor which is connected to the control network and which operates and monitors the field device, the operation monitor including a network clock which provides a common network time to the control network. The control computation unit and the communication unit execute the computation processing and the data communication in synchronism with each other in accordance with a timer clock based on the network time.Type: ApplicationFiled: February 4, 2010Publication date: August 5, 2010Applicant: YOKOGAWA ELECTRIC CORPORATIONInventors: Satoshi Kitamura, Senji Watanabe, Hideharu Yajima, Masafumi Kisa, Kazushi Sakamoto, Hiroyuki Takizawa, Kuniharu Akabane, Yoshinori Kobayashi, Kenji Habaguchi, Kiyotaka Kozakai, Mitsuhiro Kurono, Hiroaki Nakajima
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Publication number: 20100198991Abstract: There is provided a duplexed field controller. The duplexed field controller includes: first and second control units between which a control authority is switchable; a first application clock that is updated based on a reference clock so as to define a timing of an application operation of the first control unit; a second application clock that is updated based on the reference clock so as to define a timing of an application operation of the second control unit; and an update control unit that bypasses the first update of the second application clock after switching of the control authority, if the first application clock is ahead of the second application clock when the control authority is switched from the first control unit to the second control unit.Type: ApplicationFiled: February 4, 2010Publication date: August 5, 2010Applicant: YOKOGAWA ELECTRIC CORPORATIONInventors: Hideharu Yajima, Satoshi Kitamura, Senji Watanabe, Masafumi Kisa, Kazushi Sakamoto, Hiroyuki Takizawa, Kuniharu Akabane, Yoshinori Kobayashi, Kenji Habaguchi, Kiyotaka Kozakai, Mitsuhiro Kurono, Hiroaki Nakajima
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Publication number: 20100180279Abstract: A field control device is provided. The field control device includes: a task executing unit configured to selectively and sequentially execute a control task relating to a field control and other tasks in a same control period; and a priority switching unit configured to switch a relative priority of the control task relative to the other tasks in the control period, wherein the priority is a priority of an execution sequence of tasks in the task executing unit. The priority switching unit is configured to: i) set the priority higher than a certain priority, before the control task is started; and ii) set the priority lower than the certain priority, after the control task is ended.Type: ApplicationFiled: January 8, 2010Publication date: July 15, 2010Applicant: YOKOGAWA ELECTRIC CORPORATIONInventors: Hideharu Yajima, Satoshi Kitamura, Senji Watanabe, Masafumi Kisa, Kazushi Sakamoto, Hiroyuki Takizawa, Kuniharu Akabane, Yoshinori Kobayashi, Kenji Habaguchi, Kiyotaka Kozakai, Mitsuhiro Kurono, Hiroaki Nakajima
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Patent number: 7727198Abstract: An indwelling needle assembly for introducing a catheter into a vascular system is disclosed. The indwelling needle assembly is provided with: a needle capable of being slidably fitted in the catheter and insertable into the vascular system; a base body fixed to a proximal end of the needle; a first sleeve slidably fitted around the base body, which is movable between a first position to expose a distal end of the needle and a second position to conceal the distal end of the needle; an elastic body intervening between the base body and the first sleeve so as to urge the first sleeve toward the second position; a second sleeve telescopically fitted to the first sleeve, which includes a latching device configured to hold the first sleeve at the second position; a cover fixed to the base body, which is so dimensioned as to house the first sleeve and the second sleeve when the first sleeve is at the first position; and a lock configured to releasably hold the first sleeve at the first position.Type: GrantFiled: November 28, 2006Date of Patent: June 1, 2010Assignee: Medikit Co. Ltd.Inventor: Hiroaki Nakajima
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Patent number: 7682341Abstract: An indwelling needle is provided with an inner needle hub; an inner needle fixedly supported by the inner needle hub; a cover configured to cover the inner needle after use; and a flexible blood monitor being absorptive to blood, an end of which is linked with the inner needle hub.Type: GrantFiled: November 9, 2005Date of Patent: March 23, 2010Assignee: Medikit Co., LtdInventor: Hiroaki Nakajima
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Publication number: 20090305268Abstract: The present invention has an object to provide a method of determining fatty acid composition in intramuscular fat on the basis of bovine genotype, in particular a method of simply determining an amount of an oleic acid content with a high degree of accuracy, and a method of objectively determining the goodness of eating quality of beef on the basis of the results of the determination. The present invention provides a method of determining an amount of fatty acid content in bovine intramuscular fat on the basis of the genotype of fatty acid synthase determined by determining base <1> and/or base <2> described below, and a method of determining whether cattles are those from which beef with an excellent eating quality is obtained on the basis of the results thereof. <1> A 16,024th base corresponding to a polymorphic site which is either adenine (A) or guanine (G) in a base sequence represented by SEQ ID NO. 1 of a sequence list.Type: ApplicationFiled: September 4, 2007Publication date: December 10, 2009Inventors: Tsuyoshi Abe, Junichi Saburi, Eiji Kobayashi, Hiroaki Nakajima, Noriaki Shoji
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Patent number: 7396346Abstract: An indwelling catheter set is provided with a catheter, a cover connected with a proximal end of the catheter and a connector having a hemostatic valve housed therein. The connector is fixed to the cover. A hollow needle for transfusion to a patient is slidably fitted to an inside of the catheter.Type: GrantFiled: June 24, 2003Date of Patent: July 8, 2008Assignee: Medikit Co., Ltd.Inventor: Hiroaki Nakajima