Patents Assigned to Waseda University
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Publication number: 20180048282Abstract: There is provided a bonded substrate including: a quartz substrate; and a piezoelectric substrate which is bonded on the quartz substrate and on which a surface acoustic wave propagates, wherein the quartz substrate and the piezoelectric substrate are bonded at a bonding interface through covalent bonding, and a surface acoustic wave element having a higher phase velocity and a higher electromechanical coupling factor than conventional one is obtained by disposing an interdigital electrode on a principal surface of the piezoelectric substrate.Type: ApplicationFiled: February 3, 2017Publication date: February 15, 2018Applicants: THE JAPAN STEEL WORKS, LTD., WASEDA UNIVERSITY, UNIVERSITY OF YAMANASHIInventors: Kouhei KURIMOTO, Kazuhito KISHIDA, Rinzo KAYANO, Jun MIZUNO, Shoji KAKIO
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Publication number: 20180034905Abstract: A terminal network apparatus performs wireless communication with a user terminal apparatus. The terminal network apparatus receives a registration request which is transmitted from the user terminal apparatus, and assigns a node name to the user terminal apparatus. The terminal network apparatus receives a reregistration request from a user terminal apparatus which has moved from a wireless service area of another terminal network apparatus, and assigns a new node name to the user terminal apparatus. The terminal network apparatus transmits a notification that includes an old node name and the new node name to the terminal network apparatus that had assigned the old node name. When the terminal network apparatus receives the notification, the terminal network apparatus generates an entry, in which the old node name and the new node name are correlated, in a node name pair table.Type: ApplicationFiled: August 17, 2017Publication date: February 1, 2018Applicant: WASEDA UNIVERSITYInventors: Takuro Sato, Toshitaka Tsuda, Wataru Kameyama, Jiro Katto, Lopez Nacarino
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Publication number: 20180029612Abstract: A safe driving behavior notification system includes: an obstacle detector to detect position of each obstacle existing around a subject vehicle; a first specifier to specify driving behavior to be carried out by a driver based on the detected position of each obstacle and information relating to the subject vehicle; a second specifier to specify driving behavior predicted to be carried out by the driver from the detected position of each obstacle and information on a travel state of the subject vehicle using a driving behavior model for the driver created based on past driving behavior of the driver; and a notificator to determine whether notification to the driver is necessary based on a degree of a difference between the driving behaviors specified by the first and second specifiers, and to notify the driver of information indicating action to be carried out when determining the notification is necessary.Type: ApplicationFiled: August 1, 2017Publication date: February 1, 2018Applicants: FUJITSU TEN LIMITED, WASEDA UNIVERSITYInventors: Masashi TSUYUNASHI, Harutoshi OGAI, Nan WU, Thatchaphol MOTANEEYACHART
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Patent number: 9871253Abstract: A ion-conductive fused-ring quinone polymer includes recurring units of formula (1) and/or (2) below wherein each X is independently a single bond or a divalent group, and A1 and A2 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 is a material having charge-storing properties which, 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: January 16, 2018Assignees: WASEDA UNIVERSITY, NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Hiroyuki Nishide, Kenichi Oyaizu, Takuma Kawai, Takuji Yoshimoto
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Publication number: 20180000511Abstract: 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: ApplicationFiled: January 4, 2016Publication date: January 4, 2018Applicants: 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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Patent number: 9846673Abstract: It is provided a processor system comprising at least one processor core 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 read instruction in a case where the read instruction is a flag checking instruction and a flag indicating the completion of predetermined processing has been written; and stores the data subjected to the acceleration processing after completion of the acceleration processing, and further writes a flag indicating the completion of the acceleration processing. The processor starts, even if the accelerator is executing another processing, read instruction corresponding to a flag in a case where the read instruction is the flag checking instruction and it is confirmed that the flag indicating the completion of the acceleration processing has been written.Type: GrantFiled: October 30, 2012Date of Patent: December 19, 2017Assignee: WASEDA UNIVERSITYInventors: Hironori Kasahara, Keiji Kimura
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Publication number: 20170356830Abstract: A tensile testing machine exerts tensile force to biological, tissue attached to a bone. A fixture 10 according to the present invention includes a holder 11, which holds a bone B, and a support 12, which supports the holder 11. The holder 11 is provided with around-bone-axis angle adjusting mechanisms 14, 15, which adjust the angle of rotation of the bone B around the bone axis of the hone B held by the holder 11. The holder 11 and the support 12 are provided with bone inclination angle adjusting mechanisms 15, 34, which adjust the inclination angle of the bone B held by the holder 11. The support 12 is provided with lateral position adjusting mechanisms 34, 35, which adjust the lateral position of the holder 11 and longitudinal position adjusting mechanisms 35, 36, which adjust the longitudinal position of the holder 11.Type: ApplicationFiled: October 19, 2015Publication date: December 14, 2017Applicant: WASEDA UNIVERSITYInventors: Kiyotaka Iwasaki, Shumpei Saito
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Patent number: 9839932Abstract: A surface chemical treatment apparatus provided with: a first conduit having an opening at one end and communicating with a liquid supply means at the other end; a second conduit having at one end an opening that surrounds the opening of the first conduit and communicating with a liquid suction means at the other end; and a moving mechanism for moving the openings of the first and second conduits relative to the solid phase surface, so as to make a surface chemical treatment possible in a fine pattern by allowing the patterning solution to be dispensed through the opening of the first conduit while allowing the solution to be suctioned up together with the surrounding liquid phase or gas phase medium through the opening of the second conduit that surrounds the opening of the first conduit and, thus, preventing seepage of the solution in all directions.Type: GrantFiled: February 14, 2013Date of Patent: December 12, 2017Assignees: SHIMADZU CORPORATION, TOKYO METROPOLITAN UNIVERSITY, WASEDA UNIVERSITYInventors: Katsumi Uchiyama, Hizuru Nakajima, Ming Yang, Hulie Zeng, Yoshiyuki Sugahara, Takahiro Nishimoto
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Publication number: 20170349510Abstract: 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: ApplicationFiled: September 30, 2015Publication date: December 7, 2017Applicants: Waseda University, JXTG Nippon Oil & Energy Corporation, JXTG Nippon Oil & Energy CorporationInventors: Masahiko MATSUKATA, Motomu SAKAI, Yasuhito SASAKI, Tatsuo HAMAMATSU, Nobuhiro KIMURA
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Patent number: 9760355Abstract: A parallelizing compile method includes, dividing a sequential program for an embedded system into multiple macro tasks, specifying (i) a starting end task and (ii) a termination end task, fusing (i) the starting end task, (ii) the termination end task, and (iii) a group of the multiple macro tasks, extracting a group of multiple new macro tasks from the multiple new macro tasks fused in the fusing based on a data dependency, performing a static scheduling assigning the multiple new macro tasks to the multiple processor units, so that the group of the multiple new macro tasks is parallelly executable by the multiple processor units, and generating a parallelizing program. In addition, a parallelizing compiler, a parallelizing compile apparatus and an onboard apparatus are provided.Type: GrantFiled: June 12, 2014Date of Patent: September 12, 2017Assignees: DENSO CORPORATION, WASEDA UNIVERSITYInventors: Hiroshi Mori, Mitsuhiro Tani, Hironori Kasahara, Keiji Kimura, Dan Umeda, Akihiro Hayashi, Hiroki Mikami, Yohei Kanehagi
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Publication number: 20170244038Abstract: 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: ApplicationFiled: December 3, 2015Publication date: August 24, 2017Applicants: NIPPON CHEMICAL INDUSTRIAL CO., LTD., WASEDA UNIVERSITYInventors: Fumihiro Yonekawa, Tomo Sakanoue, Taishi Takenobu
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Patent number: 9645069Abstract: An adsorption characteristic measuring apparatus according to the invention supplies a predetermined adsorption gas to a film formed body as a sample accommodated in a sample tube to measure adsorption characteristics. In the inside of the sample tube, a void between an inner wall surface of the sample tube and the sample is filled with a particle-like filler having higher thermal conductivity than the adsorption gas under a measurement pressure. In addition, a glass rod as a dead volume reducing rod, a spacer ring for forming a thermal insulation space between the particle-like filler and the glass rod, and a reflective plate for reflecting radiant heat are disposed.Type: GrantFiled: September 14, 2015Date of Patent: May 9, 2017Assignees: Waseda University, MicrotracBEL Corp.Inventors: Masahiko Matsukata, Kazuyuki Nakai, Masayuki Yoshida
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Publication number: 20170104214Abstract: 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: ApplicationFiled: March 9, 2016Publication date: April 13, 2017Applicants: WASEDA UNIVERSITY, NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Hiroyuki NISHIDE, Kenichi OYAIZU, Takuma KAWAI, Satoshi NAKAO, Takuji YOSHIMOTO
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Patent number: 9601448Abstract: An electrode connection structure includes: a first electrode of an electrical circuit; and a second electrode of the electrical circuit that is electrically connected to the first electrode. The first and second electrodes are oppositely disposed in direct or indirect contact with each other. A plated lamination is substantially uniformly formed by plating process from a surface of a contact region and opposed surfaces of the first and second electrodes. A void near the surface of the contact region is filled by formation of the plated lamination. Portions of the plated lamination formed from the opposed surfaces of the first and second electrodes in a region other than the contact region are not joined together.Type: GrantFiled: April 8, 2016Date of Patent: March 21, 2017Assignee: WASEDA UNIVERSITYInventor: Kohei Tatsumi
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Publication number: 20170077518Abstract: Materials having charge-storing properties and made variously of dipyridine-fused benzoquinones of formula (1) below or derivatives thereof, dipyridine-fused benzoquinones of formula (4) below or derivatives thereof, or dipyridine-fused benzoquinone skeleton-containing polymers are provided. In the formulas, Ar1 and Ar2 are each independently a pyridine ring that forms together with two carbon atoms on a benzoquinone skeleton, or a derivative thereof. When used as electrode active materials, these charge storage materials are capable of providing high-performance batteries possessing a high capacity, high rate characteristics and high cycle characteristics.Type: ApplicationFiled: March 9, 2016Publication date: March 16, 2017Applicants: WASEDA UNIVERSITY, NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Hiroyuki NISHIDE, Kenichi OYAIZU, Yuya KAMBE, Takuji YOSHIMOTO
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Publication number: 20170077517Abstract: A ion-conductive fused-ring quinone polymer includes recurring units of formula (1) and/or (2) below wherein each X is independently a single bond or a divalent group, and A1 and A2 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 is a material having charge-storing properties which, 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: ApplicationFiled: March 9, 2016Publication date: March 16, 2017Applicants: WASEDA UNIVERSITY, NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Hiroyuki NISHIDE, Kenichi OYAIZU, Takuma KAWAI, Takuji YOSHIMOTO
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Patent number: 9554464Abstract: A highly thermally conductive printed circuit board prevents electrochemical migration by inhibiting elution of copper ions. The printed circuit board is a metal-base printed circuit board including a metal base plate having an insulating resin layer and a copper foil layer stacked thereon in this order. In the printed circuit board, the insulating resin layer contains a first inorganic filler made of inorganic particles having particle diameters of 0.1 nm to 600 nm with an average particle diameter (D50) of 1 nm to 300 nm, and a second inorganic filler made of inorganic particles having particle diameters of 100 nm to 100 ?m with an average particle diameter (D50) of 500 nm to 20 ?m, and the first inorganic filler and the second inorganic filler are uniformly dispersed in the insulating resin layer.Type: GrantFiled: August 1, 2013Date of Patent: January 24, 2017Assignees: Waseda University, Fuji Electric Co., Ltd.Inventors: Yoshimichi Ohki, Yuichi Hirose, Genta Wada, Toshikatsu Tanaka, Kenji Okamoto
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Publication number: 20170017074Abstract: 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: ApplicationFiled: September 29, 2016Publication date: January 19, 2017Applicant: WASEDA UNIVERSITYInventors: Eiji Iwase, Chisa Iino
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Patent number: 9531040Abstract: A battery system includes: a secondary battery; a memory portion that stores information which includes a measurement frequency, a measurement temperature, and an initial limiting capacitance of one secondary battery; a temperature measuring section; a power supply section which applies an AC signal of 0.5 mHz to 10 mHz, to the secondary battery at 40° C. to 70° C.; a measuring portion which measures an impedance of the secondary battery by the AC signal; and a calculating portion that calculates the degree of degradation of the secondary battery.Type: GrantFiled: October 4, 2013Date of Patent: December 27, 2016Assignee: WASEDA UNIVERSITYInventors: Tetsuya Osaka, Toshiyuki Momma, Tokihiko Yokoshima, Daikichi Mukoyama, Hiroki Nara
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Publication number: 20160360612Abstract: A self-healing wire includes, an electric wire arranged on a substrate, and a hybrid structure in which the electric wire is covered with at least one fluid selected from the group consisting of a fluid having conductive particles dispersed therein and a fluid having metal ions dissolved therein, formed on a healing portion for a crack to be generated in the electric wire. And a stretchable device includes the self-healing wire formed on a stretchable base material and an electric element mounted only on a base material higher in rigidity than the stretchable base material. Even when a crack is generated in the electric wire due to stretching of the substrate having flexibility, the crack is bridged by the conductive particles or a solid metal deposited from the metal ions in the fluid. Thus the self-healing wire and the stretchable device having both high conductivity and high stretchability are provided.Type: ApplicationFiled: August 19, 2016Publication date: December 8, 2016Applicant: WASEDA UNIVERSITYInventors: Eiji Iwase, Tomoya Koshi