Patents Assigned to Waseda University
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Patent number: 10220897Abstract: A mobile robot 1 having a plurality of kinds of moving forms includes a body unit 11 having a front face and a back face, four limb units 12 having a plurality of limb-side drive shafts, and front end tools 13 provided on a front end side of the limb units 12. A base end side of the limb unit 12 is connected to the body unit 11. The four limb units 12 are the same units. The body unit 11 and the four limb units 12 are movable by switching a front face side and a back face side so that a moving operation of the front face side and a moving operation of the back face side are symmetrical across the center of a thickness direction of the body unit 11.Type: GrantFiled: October 11, 2016Date of Patent: March 5, 2019Assignees: MITSUBISHI HEAVY INDUSTRIES, LTD., WASEDA UNIVERSITYInventors: Atsuo Takanishi, Kenji Hashimoto, Kazuhiro Uryu, Tomotaka Teramachi, Takashi Matsuzawa, Ayanori Koizumi, Shinya Hamamoto, Takuya Otani, Tatsuhiro Kishi, Tomohiro Tami, Hiroyuki Yamada, Shigetoshi Shiotani, Yusuke Kinouchi, Yasuo Fujishima
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Patent number: 10222608Abstract: Provided is a micro drive unit, which is capable of performing multi-axis drive, the micro drive unit including: a movable object; and at least one pair of beams configured to pivotally support the movable object and formed only in one direction, the movable object being configured to rotate or translate in an x-axis direction, a y-axis direction, and a z-axis direction when the at least one pair of beams is twisted or bent at one or a plurality of resonant frequencies of the at least one pair of beams, thereby being capable of simultaneously avoiding upsizing and complication of the structure. And by incorporating the micro drive unit, a micro device capable of achieving multi-axis drive can be manufactured.Type: GrantFiled: September 29, 2016Date of Patent: March 5, 2019Assignee: WASEDA UNIVERSITYInventors: Eiji Iwase, Chisa Iino
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Publication number: 20190055128Abstract: A method of producing fibrous carbon nanostructures uses a fluidized bed process, and comprises supplying a source gas to a reaction site in which a supported catalyst having a particulate carrier and a catalyst supported on a surface of the carrier is fluidizing, to form fibrous carbon nanostructures on the catalyst of the supported catalyst, wherein the source gas contains a double bond-containing hydrocarbon and carbon dioxide, and a content of the carbon dioxide is 0.3 vol % or more with respect to a total volume of the source gas.Type: ApplicationFiled: January 20, 2017Publication date: February 21, 2019Applicants: WASEDA UNIVERSITY, ZEON CORPORATIONInventors: Suguru NODA, Soichiro HACHIYA, Zhongming CHEN, Takayoshi HONGO
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Publication number: 20190049401Abstract: An electronic component includes a field effect transistor that functions as a working electrode of an ion sensor and a driving circuit that causes a potential difference between a source electrode and a drain electrode of the field effect transistor. A reference electrode potential of the field effect transistor is fixed.Type: ApplicationFiled: March 2, 2017Publication date: February 14, 2019Applicants: WASEDA UNIVERSITY, YOKOGAWA ELECTRIC CORPORATIONInventors: Hiroshi Kawarada, Masafumi Inaba, Mohd Sukri Shaili Falina Binti, Takuro Naramura, Keisuke Igarashi, Yukihiro Shintani, Kotaro Ogawa
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Publication number: 20190046959Abstract: A supported catalyst comprises: a support that is particulate; and a composite layer laminate formed outside the support and including two or more composite layers, wherein each of the composite layers includes a catalyst portion containing a catalyst and a metal compound portion containing a metal compound, the support contains 10 mass % or more of each of Al and Si, and a volume-average particle diameter of the support is 50 ?m or more and 400 ?m or less.Type: ApplicationFiled: February 17, 2017Publication date: February 14, 2019Applicants: WASEDA UNIVERSITY, ZEON CORPORATIONInventors: Suguru NODA, Kosuke KAWABATA, Takayoshi HONGO
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Publication number: 20190022045Abstract: Using the cobblestone area (CA) formation inhibitory activity of human leukemic stem cell-like cells as an indicator, a fraction having the activity has been extracted from the fat-soluble fraction of Porifera, then, a compound having the activity has been isolated and purified from the aforementioned fraction, and then, the structure thereof has been determined, so that a Stelliferin compound comprising a novel compound has been identified. Moreover, it has been found that the isolated and purified Stelliferin compound significantly suppresses the niche formation of leukemic stem cell-like cells derived from human chronic myelogenous leukemia (CML) having resistance to existing antitumor agents and enhances the effects of antitumor agents on the cells.Type: ApplicationFiled: January 12, 2017Publication date: January 24, 2019Applicants: WASEDA UNIVERSITY, KABUSHIKI KAISHA YAKULT HONSHAInventors: Yoichi NAKAO, Shigetaka ASANO, Daisuke ARAI, Yukari KASE, Teppei SHIMOMOTO
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Publication number: 20180370031Abstract: A control system (10) according to the present invention includes a robot arm (11) provided in a manner capable of moving in a given space, a motor (14) for operating the robot arm (11), a torque adjustment device (16) for operating in a manner capable of adjusting a transmitted torque that is transmitted from the motor (14) to the robot arm (11), and a control device (19) for performing operation control of the robot arm (11). The robot arm (11) is provided with a gravity-compensating mechanism (12) for cancelling an effect of gravity due to the robot arm (11), and the control device (19) commands adjustment of the transmitted torque at the torque adjustment device (16), without taking into account the effect of the gravity of the robot arm (11).Type: ApplicationFiled: May 23, 2016Publication date: December 27, 2018Applicant: WASEDA UNIVERSITYInventors: Alexander Schmitz, Soumya Bhavaraju, Yoshihiro Sakamoto, Gonzaro Aguirre Dominguez, Ritsuki Sato, Wei Wang, Shigeki Sugano
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Patent number: 10164258Abstract: A fused-ring quinone-substituted polynorbornene has recurring units of formula (1) and/or (2) below. In formulas (1) and (2), A1 is independently a substituent of formula (3) or (4) below, n is an integer from 1 to 6, and A2 is a substituent of formula (5) or (6) below. In formulas (3) to (6), each X is independently a single bond or a divalent group, and Ar1 and Ar2 are each independently an aromatic hydrocarbon ring or an oxygen atom or sulfur atom-containing aromatic heterocycle that forms together with two carbon atoms on a benzoquinone skeleton. This polymer has charge-storing properties and, when used as an electrode active material, is capable of providing a high-performance battery possessing high capacity, high rate characteristics and high cycle characteristics.Type: GrantFiled: March 9, 2016Date of Patent: December 25, 2018Assignees: WASEDA UNIVERSITY, NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Hiroyuki Nishide, Kenichi Oyaizu, Takuma Kawai, Satoshi Nakao, Takuji Yoshimoto
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Patent number: 10125674Abstract: An engine without a compressor or a turbine comprises a combustion chamber for burning a fuel-air mixture formed by mixing a fuel with outside air; and an outside air introduction part for introducing outside air into the combustion chamber. The outside air introduction part comprises an intake main port for introducing outside air into the combustion chamber from the direction along the central axis of the combustion chamber and a plurality of intake sub-ports for introducing outside air into the combustion chamber from the direction toward the central axis. The intake sub-ports comprise ejection openings capable of ejecting outside air toward a collision point inside the combustion chamber. Streams of outside air ejected from the ejection openings of the intake sub-ports mutually collide at the collision point and are thereby compressed.Type: GrantFiled: March 27, 2011Date of Patent: November 13, 2018Assignee: WASEDA UNIVERSITYInventor: Ken Naitoh
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Patent number: 10095657Abstract: It is provided a processor system comprising at least one processor core provided on a semiconductor chip and including a processor, a memory and an accelerator. The memory includes an instruction area, a synchronization flag area and a data area. The accelerator starts, even if the processor is executing another processing, acceleration processing and executes the task in a case of confirming that a flag indicating that the processor has completed predetermined processing has been written into the synchronization flag area; and stores the data subjected to the acceleration processing into the data area, and further writes a flag indicating that the completion of the acceleration processing. The processor starts, even if the accelerator is executing another processing, the task corresponding to a flag in a case of confirming that the flag indicating the completion of the acceleration processing has been written into the synchronization flag area.Type: GrantFiled: November 6, 2017Date of Patent: October 9, 2018Assignee: WASEDA UNIVERSITYInventors: Hironori Kasahara, Keiji Kimura
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Patent number: 10004532Abstract: A puncture assistance system provides information on a collapse state of a blood vessel to be punctured, caused by pressing action of an ultrasonic probe, when ultrasonic images of the blood vessel are acquired. A puncture assistance system 10 includes: vascular diameter detecting means 18 for detecting a vascular diameter during acquisition of the ultrasonic images from an ultrasonic diagnostic device 11; puncture assistance information generating means 12 for generating puncture assistance information for determination of whether or not puncture is allowed to be performed based on a collapse state of a blood vessel B caused by pressing action of an ultrasonic probe 15 against skin S by comparing a current vascular diameter detected by the vascular diameter detecting means 18 with a standard vascular diameter stored in advance; and a monitor 19 that presents the puncture assistance information.Type: GrantFiled: January 4, 2016Date of Patent: June 26, 2018Assignees: WASEDA UNIVERSITY, KIKUCHI SEISAKUSHO CO., LTD., KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATIONInventors: Masakatsu Fujie, Yo Kobayashi, Mariko Tsukune, Ken Ichiryu, Nobuhiro Ogasawara, Bo Zhang, Makoto Hashizume, Tetsuo Ikeda, Tomohiko Akahoshi, Ryu Nakadate
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Publication number: 20180156872Abstract: A battery state estimating apparatus is provided with: an acquirer configured to obtain a plurality of complex impedances of a battery at a plurality of different temperatures; a calculator configured to calculate a slope of a straight line connecting values of the obtained plurality of complex impedances at a first predetermined frequency on a complex plane having an axis that is a real component of the complex impedance and an axis that is an imaginary component of the complex impedance, as a slope of the complex impedance; a storage configured to store in advance a relation between the slope of the complex impedance and a battery state associated with the battery; and an estimator configured to estimate the battery state on the basis of the calculated slope of the complex impedance and the stored relation.Type: ApplicationFiled: November 21, 2017Publication date: June 7, 2018Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, WASEDA UNIVERSITYInventors: Yasumasa Oguma, Tetsuya Osaka, Shingo Tsuda, Kazuaki Utsumi, Tokihiko Yokoshima, Daikichi Mukoyama
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Patent number: 9979516Abstract: It is intended to provide a transmission device, a reception device and a communication system capable of improving transmission characteristics by performing packet combining by HARQ in MU-MIMO transmission using non-linear precoding. In a case of receiving NAK from any of terminal devices (400), a base station device (100) retransmits a packet, in which an error occurs, addressed to this terminal device. The base station device (100) transmits the data to be retransmitted together with other transmission data addressed to a different terminal device or addressed to the own terminal device by spatial multiplexing transmission with MU-MIMO. At this time, for the retransmission data, precoding is performed such that a perturbation term same as a perturbation term which has been added to this data by non-linear precoding at the time of initial transmission is added.Type: GrantFiled: December 26, 2013Date of Patent: May 22, 2018Assignees: SHARP KABUSHIKI KAISHA, WASEDA UNIVERSITYInventors: Takashi Onodera, Hiromichi Tomeba, Minoru Kubota, Fumiaki Maehara, Fumio Takahata
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Patent number: 9977059Abstract: An electrochemical analysis apparatus 1 includes a power controller 20 that generates a rectangular wave signal having a first frequency (f1) and applies the rectangular wave signal to an electrochemical cell 10 including a plurality of electrodes 11 to 13 and an electrolyte 14, a Fourier transform section 30 that Fourier-transforms a response signal of the electrochemical cell 10 to the rectangular wave signal and calculates frequency characteristics including a component of a second frequency f2 of an integer multiple of the first frequency f1, and a calculating section 40 that calculates an impedance characteristic of the electrochemical cell 10 based on the frequency characteristics calculated by the Fourier transform section 30.Type: GrantFiled: December 26, 2013Date of Patent: May 22, 2018Assignee: WASEDA UNIVERSITYInventors: Tetsuya Osaka, Toshiyuki Momma, Tokihiko Yokoshima, Daikichi Mukoyama, Hiroki Nara
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Patent number: 9960140Abstract: The present invention can give a joining structure using metal nanoparticles to join the same types or different types of metal where when one surface metal is Al based, the parts are joined through a joining layer containing Ni nanoparticles, whereby a good joining strength is obtained. Further, by using two joining layers (6, 8) including metal nanoparticles to sandwich metal foil (7) so as to form a joining layer and joining the same type or different types of surface metals (3-4) through this joining layer, it is possible to ease the thermal stress due to the difference in amounts of thermal expansion of joined members which have two surface metals.Type: GrantFiled: November 11, 2014Date of Patent: May 1, 2018Assignees: NIPPON STEEL & SUMITOMO METAL CORPORATION, WASEDA UNIVERSITYInventors: Kohei Tatsumi, Shinji Ishikawa, Norie Matsubara, Masamoto Tanaka
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Patent number: 9944576Abstract: The present invention provides a method for selectively separating a straight-chain conjugated diene with high purity from a mixture containing the straight-chain conjugated diene and at least one type of straight-chain olefin. The method involves separating the straight-chain conjugated diene from the mixture containing the straight-chain conjugated diene and the straight-chain olefin using a zeolite membrane composite. The composite contains a porous support and a zeolite layer formed on the surface and in the fine pores of the support, and the zeolite contains an alkali metal cation.Type: GrantFiled: September 30, 2015Date of Patent: April 17, 2018Assignees: WASEDA UNIVERSITY, JXTG Nippon Oil & Energy CorporationInventors: Masahiko Matsukata, Motomu Sakai, Yasuhito Sasaki, Tatsuo Hamamatsu, Nobuhiro Kimura
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Patent number: 9939535Abstract: A Compton camera includes a scattering detection unit, an absorption detection unit, a signal processing unit, a first shield unit, and a second shield unit. The scattering detection unit detects Compton scattering of incident radiation emitted from a radiation source. The absorption detection unit detects absorption of incident radiation that has undergone Compton scattering at the scattering detection unit. The signal processing unit obtains an image of the radiation source based on coincident detection events of Compton scattering of radiation at the scattering detection unit and absorption of radiation at the absorption detection unit. The first and second shield units are provided between the scattering detection unit and the absorption detection unit. The first shield unit selectively allows forward-scattered radiation to pass and selectively blocks back-scattered radiation.Type: GrantFiled: September 26, 2014Date of Patent: April 10, 2018Assignees: WASEDA UNIVERSITY, HAMAMATSU PHOTONICS K.K.Inventors: Jun Kataoka, Toru Nishiyama, Shinji Ohsuka, Michito Hirayanagi, Shunsuke Adachi, Tetsuya Uchiyama
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Patent number: 9934012Abstract: A parallelization compiling method for generating a segmented program from a sequential program includes assigning macro tasks included in the sequential program to cores included in the multi-core processor in order to generate the segmented program, adding a new macro task to the sequential program or deleting one of the macro tasks from the sequential program, and compiling the sequential program into the segmented program in response to the adding of the new macro task under a condition that the macro tasks assigned to the cores do not migrate among the cores or compiling the sequential program into the segmented program in response to the deleting of the one of the macro tasks under a condition that remains of the macro tasks assigned to the cores do not migrate among the cores.Type: GrantFiled: March 29, 2016Date of Patent: April 3, 2018Assignees: DENSO CORPORATION, WASEDA UNIVERSITYInventors: Kazushi Nobuta, Noriyuki Suzuki, Hironori Kasahara, Keiji Kimura, Hiroki Mikami, Dan Umeda
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Patent number: 9935270Abstract: A light-emitting electrochemical cell 10 includes an emitting layer 12 and electrodes 13 and 14, one on each side of the emitting layer 12. The emitting layer 12 contains a light-emitting material and an ionic compound. The ionic compound has general formula (1), wherein M is N or P; R1, R2, R3, and R4 each independently represent a C1-C20 saturated aliphatic group; and X is preferably an anion having a phosphoric ester bond or a sulfuric ester bond. The light-emitting material is preferably an organic light-emitting polymer, a metal complex, an organic low molecular compound, or a quantum dot.Type: GrantFiled: December 3, 2015Date of Patent: April 3, 2018Assignees: NIPPON CHEMICAL INDUSTRIAL CO., LTD., WASEDA UNIVERSITYInventors: Fumihiro Yonekawa, Tomo Sakanoue, Taishi Takenobu
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Patent number: 9928057Abstract: In one or more embodiments, a method of generating a code by a compiler includes: analyzing a program executed by a processor; analyzing data necessary to execute respective tasks included in the program; determining whether a boundary of the data used by divided tasks is consistent with a management unit of a cache memory based on results of the analyzing; and generating the code for providing a non-cacheable area from which the data to be stored in the management unit including the boundary is not temporarily stored into the cache memory and the code for storing an arithmetic processing result stored in the management unit including the boundary into a non-cacheable area in a case where it is determined that the boundary of the data used by the divided tasks is not consistent with the management unit of the cache memory.Type: GrantFiled: December 14, 2010Date of Patent: March 27, 2018Assignee: WASEDA UNIVERSITYInventors: Hironori Kasahara, Keiji Kimura, Masayoshi Mase