Patents Assigned to Waseda University
  • Publication number: 20130285043
    Abstract: A photoelectric conversion element having high photovoltaic conversion efficiency is provided. The photoelectric conversion element includes a first electrode, a second electrode arranged opposite to the first electrode, and an electron transport layer provided on a face of the first electrode, and the face is opposite to the second electrode. The photoelectric conversion element further includes a photosensitizer supported on the electron transport layer and a hole transport layer interposed between the first electrode and the second electrode. The electron transport layer contains a perylene imide derivative of [Chemical Formula 1].
    Type: Application
    Filed: March 5, 2012
    Publication date: October 31, 2013
    Applicants: WASEDA UNIVERSITY, PANASONIC CORPORATION
    Inventors: Michio Suzuka, Takashi Sekiguchi, Naoki Hayashi, Takeyuki Yamaki, Hiroyuki Nishide, Kenichi Oyaizu, Fumiaki Kato
  • Patent number: 8571265
    Abstract: It is an object to measure a position of a feature around a road. An image memory unit stores images in which neighborhood of the road is captured. Further, a three-dimensional point cloud model memory unit 709 stores a point cloud showing three-dimensional coordinates obtained by laser measurement which is carried out simultaneously to the image-capturing of the images as a road surface shape model. Using an image point inputting unit 342, a pixel on a feature of a measurement target is specified by a user as a measurement image point. A neighborhood extracting unit 171 extracts a point which is located adjacent to the measurement image point and superimposed on the feature for the measurement target from the point cloud. A feature position calculating unit 174 outputs three-dimensional coordinates shown by the extracted point as three-dimensional coordinates of the feature for the measurement target.
    Type: Grant
    Filed: July 12, 2012
    Date of Patent: October 29, 2013
    Assignees: Mitsubishi Electric Corporation, Waseda University
    Inventors: Junichi Takiguchi, Naoyuki Kajiwara, Yoshihiro Shima, Ryujiro Kurosaki, Takumi Hashizume
  • Publication number: 20130259763
    Abstract: A carbon nanotube synthesizing apparatus in which the state of generated plasma can be stabilized is provided. A carbon nanotube synthesizing apparatus 1 comprises a chamber 2, an antenna 3 including a tip 3a, a microwave conductor 4, a gas introducing unit 5, a gas discharging unit 6, a substrate holding unit 7, and a heating unit 8. The shape of the inner wall of the chamber 2 is symmetrical with respect to the tip 3a of the antenna 3.
    Type: Application
    Filed: March 9, 2013
    Publication date: October 3, 2013
    Applicants: WASEDA UNIVERSITY, HONDA MOTOR CO., LTD.
    Inventors: Hiroshi KAWARADA, Toshiyuki OHASHI, Masahiro OHTA, Ryogo KATO, Toshio TOKUNE, Hidefumi NIKAWA
  • Publication number: 20130199614
    Abstract: A photoelectric element 1 includes a first electrode, an electron transport layer supporting a photosensitizer, a hole transport layer, and a second electrode, and these components are stacked in the above order. The electron transport layer is formed of an organic compound produced by electrolytic polymerization of a precursor having, within one molecule thereof, two or more moieties each having a structure represented by the following structural formula (1). The photoelectric element 1 includes a gel layer composed of the organic compound and an electrolyte solution infiltrated into the organic compound.
    Type: Application
    Filed: November 1, 2011
    Publication date: August 8, 2013
    Applicants: WASEDA UNIVERSITY, PANASONIC CORPORATION
    Inventors: Michio Suzuka, Takashi Sekiguchi, Takeyuki Yamaki, Hiroyuki Nishide, Kenichi Oyaizu, Fumiaki Kato, Naoki Sano
  • Patent number: 8491308
    Abstract: It is intended to provide an endurance test apparatus whereby the behaviors of a vessel caused by a biomechanical burden can be simulated using a relatively simple constitution so that the endurance of a medical instrument (for example, a stent or an artificial vessel after anastomosis) can be tested in a similar state to an actual vessel, and an endurance test method therefor. Namely, an endurance test apparatus (10) comprises a simulated vessel (31) made of an elastic body, first and second holding members (32, 33) respectively supporting the both ends in the axial direction of the simulated vessel (31) and making the both ends relatively rotatable and interval-adjustable, and first and second motors (14, 15) operating these holding members (32, 33). The simulated vessel (31) is supported by the first and second holding members (32, 33) in a state stretched from its inherent length under a tensile force.
    Type: Grant
    Filed: February 29, 2008
    Date of Patent: July 23, 2013
    Assignee: Waseda University
    Inventors: Kiyotaka Iwasaki, Mitsuo Umezu, Akira Nishikohri, Shunsuke Tsubouchi
  • Publication number: 20130184980
    Abstract: Disclosed is a mobile body which plans an avoidance operation of the mobile body and an expected avoidance operation which is expected of a mobile obstacle, thereby improving efficiency of the avoidance operation. A mobile body (1) which moves along an operation target includes mobile obstacle detection means (6) and (7) for detecting a mobile obstacle in the vicinity of the mobile body (1), approach determination means (15) for determining whether or not the mobile obstacle and the mobile body approach each other within a predetermined interval, and operation planning means (16) for, when the approach determination means (15) determines that the mobile obstacle and the mobile body (1) approach each other within the predetermined interval, planning the avoidance operation of the mobile body (1) and an expected avoidance operation which is expected of the mobile obstacle.
    Type: Application
    Filed: September 6, 2011
    Publication date: July 18, 2013
    Applicants: WASEDA UNIVERSITY, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Kentaro Ichikawa, Toshiki Kindo, Shigeki Sugano, Taisuke Sugaiwa, Hiroyasu Iwata
  • Patent number: 8483442
    Abstract: It is an object to measure a position of a feature around a road. An image memory unit stores images in which neighborhood of the road is captured. Further, a three-dimensional point cloud model memory unit 709 stores a point cloud showing three-dimensional coordinates obtained by laser measurement which is carried out simultaneously to the image-capturing of the images as a road surface shape model. A model projecting unit 172 projects a point cloud on the image, and an image displaying unit 341 displays the point cloud superimposed with the image on the displaying device. Using an image point inputting unit 342, a pixel on a feature of a measurement target is specified by a user as a measurement image point. A neighborhood extracting unit 171 extracts a point which is located adjacent to the measurement image point and superimposed on the feature for the measurement target from the point cloud.
    Type: Grant
    Filed: February 15, 2008
    Date of Patent: July 9, 2013
    Assignees: Mitsubishi Electric Corporation, Waseda University
    Inventors: Junichi Takiguchi, Naoyuki Kajiwara, Yoshihiro Shima, Ryujiro Kurosaki, Takumi Hashizume
  • Publication number: 20130164848
    Abstract: A well has a pair of side surfaces, and one of the side surfaces is in contact with a compartment of a first channel with a gas-permeable membrane being interposed therebetween and the other side surface is in contact with a compartment of a second channel with a gas-permeable membrane being interposed therebetween. The well is filled with a liquid cell culture medium, and in such a state, a high-concentration gas and a low-concentration gas, which are different in the concentration of a specific component from each other, are allowed to flow through the first and second channels, respectively, to form a concentration distribution of the specific component in the well.
    Type: Application
    Filed: July 8, 2011
    Publication date: June 27, 2013
    Applicants: SHIMADZU CORPORATION, WASEDA UNIVERSITY, KYOTO UNIVERSITY
    Inventors: Tatsuya Munaka, Hirohisa Abe, Masaki Kanai, Masakazu Akechi, Taira Maekawa, Shinya Kimura, Eishi Asihara, Shuichi Shoji, Kentaro Kawai
  • Patent number: 8442678
    Abstract: A robotic device includes a first link portion, a second link portion that moves relative to the first link portion, a first contact load detecting portion that detects a contact load in a contact area of the first link portion, a second contact load detecting portion that detects a contact load in a contact area of the second link portion, and a first link portion control target setting portion that sets a control target for the first link portion. The first link portion control target setting portion sets the control target for the first link portion such that the difference between the detection value of the contact load of the first contact load detecting portion and the detection value of the contact load of the second contact load detecting portion decreases.
    Type: Grant
    Filed: December 4, 2009
    Date of Patent: May 14, 2013
    Assignees: Toyota Jidosha Kabushiki Kaisha, Waseda University
    Inventors: Kentaro Ichikawa, Shigeki Sugano, Kunihiro Iwamoto, Taisuke Sugaiwa, Hiroyasu Iwata
  • Patent number: 8438359
    Abstract: Provided is a method for managing a memory storage region used by a processor. The processor is connected to the memory that stores data accessed while a task is being executed. The memory management method including the steps of: dividing the memory area of the memory into blocks having a plurality of different sizes; selecting a block having a size matching a size of the data accessed while the task is being executed; and storing the data accessed while the task is being executed in the selected block.
    Type: Grant
    Filed: February 27, 2008
    Date of Patent: May 7, 2013
    Assignee: Waseda University
    Inventors: Hironori Kasahara, Keiji Kimura, Hirofumi Nakano, Takumi Nito, Takanori Maruyama, Tsuyoshi Miura, Tomohiro Tagawa
  • Patent number: 8422694
    Abstract: In a source sound separator, first and second target sound predominant spectra are generated respectively by first and second processing operations for linear combination for emphasizing the target sound, using received sound signals of two microphones arrayed at a distance from each other. A target sound suppressed spectrum is generated by processing for linear combination for suppression of the target sound, using the two received sound signals. Further, a phase signal containing a larger amount of signal components of the target sound and exhibiting directivity in the direction of the target sound is generated by processing of linear combination, using the two received sound signals. The target sound and the interfering sound are separated from each other using the first and second target sound predominant spectra, the target sound suppressed spectrum, and the phase signal.
    Type: Grant
    Filed: December 10, 2010
    Date of Patent: April 16, 2013
    Assignees: Oki Electric Industry Co., Ltd., Waseda University
    Inventors: Makoto Morito, Takashi Yazu, Kei Yamada, Tetsunori Kobayashi, Kenzo Akagiri, Tetsuji Ogawa
  • Publication number: 20130087109
    Abstract: 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: Application
    Filed: March 27, 2011
    Publication date: April 11, 2013
    Applicant: WASEDA UNIVERSITY
    Inventor: Ken Naitoh
  • Patent number: 8414782
    Abstract: A process for producing a fluorocarbon microstructure capable of easily fabricating a three-dimensional fluorocarbon microstructure. The process for producing a fluorocarbon microstructure comprises a first processing step for forming, on a substrate (2), a film deposition portion with a given pattern made up of a through-hole figure by etching the substrate (2), a fabricating step for forming a fluorocarbon film (6) on an inner circumferential surface of a film deposition portion (9) to fabricate a fluorocarbon region surrounded by the fluorocarbon film (6), and a second processing step for fabricating the fluorocarbon microstructure protruding from a processing surface of the substrate (2) by etching a given region other than a fluorocarbon region on the substrate (2). Hence, the three-dimensional fluorocarbon microstructure can be fabricated which comprises a complicated structure that has conventionally been hard to fabricate.
    Type: Grant
    Filed: January 21, 2008
    Date of Patent: April 9, 2013
    Assignee: Waseda University
    Inventors: Takahiro Arakawa, Hiroyuki Kusakawa, Shuichi Shoji
  • Publication number: 20130011013
    Abstract: It is an object to measure a position of a feature around a road. An image memory unit stores images in which neighborhood of the road is captured. Further, a three-dimensional point cloud model memory unit 709 stores a point cloud showing three-dimensional coordinates obtained by laser measurement which is carried out simultaneously to the image-capturing of the images as a road surface shape model. Using an image point inputting unit 342, a pixel on a feature of a measurement target is specified by a user as a measurement image point. A neighborhood extracting unit 171 extracts a point which is located adjacent to the measurement image point and superimposed on the feature for the measurement target from the point cloud. A feature position calculating unit 174 outputs three-dimensional coordinates shown by the extracted point as three-dimensional coordinates of the feature for the measurement target.
    Type: Application
    Filed: July 12, 2012
    Publication date: January 10, 2013
    Applicants: Waseda University, MITSUBISHI ELECTRIC CORPORATION
    Inventors: Junichi TAKIGUCHI, Naoyuki Kajiwara, Yoshihiro Shima, Ryujiro Kurosaki, Takumi Hashizume
  • Publication number: 20130013058
    Abstract: An artificial mitral valve 10 is provided with a ring 12 divided along the circumferential direction into two; an anterior cusp-side region 44 and a posterior cusp-side region 45 and an artificial valve leaflet 11 connected along an outer edge of the ring 12. The artificial valve leaflet 11 is made up of a symmetric anterior cusp forming member 14 connected to the anterior cusp-side region 44 and a symmetric posterior cusp forming member 15 connected to the posterior cusp-side region 45. The anterior cusp forming member 14 is provided with an upper edge 17 joined to the ring 12 and a lower edge 22 connected to the upper edge 17 and forming a bifurcated portion 20. The upper edge 17 is made up of a pair of right and left inclined edges 24 inclined inward and upward from the right and left sides and a curved edge 25 interposed between the inclined edges 24 and curve-shaped along a reference region 48 of the anterior cusp-side region 44.
    Type: Application
    Filed: July 6, 2011
    Publication date: January 10, 2013
    Applicant: WASEDA UNIVERSITY
    Inventors: Mitsuo Umezu, Hitoshi Kasegawa
  • Publication number: 20130010074
    Abstract: It is an object to measure a position of a feature around a road. An image memory unit stores images in which neighborhood of the road is captured. Further, a three-dimensional point cloud model memory unit 709 stores a point cloud showing three-dimensional coordinates obtained by laser measurement which is carried out simultaneously to the image-capturing of the images as a road surface shape model. Using an image point inputting unit 342, a pixel on a feature of a measurement target is specified by a user as a measurement image point. A neighborhood extracting unit 171 extracts a point which is located adjacent to the measurement image point and superimposed on the feature for the measurement target from the point cloud. A feature position calculating unit 174 outputs three-dimensional coordinates shown by the extracted point as three-dimensional coordinates of the feature for the measurement target.
    Type: Application
    Filed: July 12, 2012
    Publication date: January 10, 2013
    Applicants: Waseda University, MITSUBISHI ELECTRIC CORPORATION
    Inventors: Junichi TAKIGUCHI, Naoyuki KAJIWARA, Yoshihiro SHIMA, Ryujiro KUROSAKI, Takumi HASHIZUME
  • Publication number: 20130005798
    Abstract: The object is to develop an antiprotozoal remedy having a novel mechanism of action. Provided is a compound represented by a chemical formula (1), a prodrug or a pharmaceutically acceptable salt thereof, wherein within the formula (1), R1 represents R10— of formula (4) or R20— of formula (5); R2 represents CHO—, etc.; R3 represents a hydrogen atom, CH3—C(?O)—, etc.; R4 represents a hydrogen atom, CH3—C(?O)—, etc.; each of R11 and R12 independently represents each a hydrogen atom, a methyl group, etc.; R13 represents —CH2—, —CH(—OH)— or —C(?O)—; each of R21 and R22 independently represents eaeh a hydrogen atom, a methyl group, etc.; R23 represents —CH2—, —CH(—OH)— or —C(?0)—; and R24 represents a hydrogen atom, a hydroxyl group, a methyl group, etc.
    Type: Application
    Filed: March 10, 2011
    Publication date: January 3, 2013
    Applicants: Obihiro University of Agriculture and Veterinary Medicine, Waseda University
    Inventors: Yoichi Nakao, Shintaro Ishigami, Yasuyuki Goto, Shin-ichiro Kawazu, Noboru Inoue
  • Patent number: 8338643
    Abstract: The present invention provides a reagent for introducing a protein or gene into a cell. The reagent of the present invention is, for example, a reagent for introducing a protein or gene into a cell, which comprises a composition comprising a cationic amino acid type lipid represented by the following formula (I)-1: (wherein in formula (I)-1: L is a single bond, —CONH—, or —S—S—; M1 is —(CH2)k— or —(CH2CH2O)k— (wherein k is an integer between 0 and 14); and m1 and m2 are each independently an integer between 11 and 21 (in this regard, when providing a reagent for introducing a gene into a cell, the case where both m1 and m2 are 15 is excluded)).
    Type: Grant
    Filed: November 26, 2007
    Date of Patent: December 25, 2012
    Assignee: Waseda University
    Inventors: Shinji Takeoka, Naoya Takeda, Hitoshi Kurumizaka, Isao Sakane, Namiko Ikegaya, Yosuke Obata, Syunsuke Saito
  • Patent number: 8332187
    Abstract: A controller of a cantilever evaluation system calculates a stream function value ?z(x, y; t+1) and vorticity ?z(x, y; t+1) at a subsequent time step t+1 using boundary conditions according to displacement h(z; t) of a cantilever and velocity ?h/?t(z; t), a stream function value ?z(x, y; t) and vorticity ?z(x, y; t) in two-dimensional planes. The controller uses the calculated stream function value ?z(x, y) and vorticity ?z(x, y) to calculate a fluid drag force acting on the cantilever. The controller substitutes the calculated fluid drag force into a displacement calculation equation to calculate the displacement h(z; t+1) of the one-dimensional beam at the subsequent time step t+1. The controller repeats such calculation for each grid point and further repeats it at each time step.
    Type: Grant
    Filed: October 22, 2008
    Date of Patent: December 11, 2012
    Assignees: Mizuho Information & Research Institute, Inc., Waseda University
    Inventors: Naoki Watanabe, Masaru Tsukada
  • Publication number: 20120308039
    Abstract: A sound source separation system separates a target sound and a disturbance sound coming from an arbitrary direction other than the direction the target sound comes from. The system includes different-directional-signal-group generators and a sensitive region formation unit. The generators each generate two or more combinations of spectra of signals each of which has a different directivity, using received sound signals of microphones. The sensitive region formation unit determines, for each frequency band, whether or not a relationship between powers of the spectra in each combination simultaneously satisfies conditions each defined for each combination, using two or more combinations of the spectra of the signals generated by the respective different-directional-signal-group generators, and performs multidimensional band selection of assigning power of a spectrum selected beforehand to a spectrum of the target sound to be separated, for a frequency band where the conditions are simultaneously satisfied.
    Type: Application
    Filed: June 1, 2012
    Publication date: December 6, 2012
    Applicant: WASEDA UNIVERSITY
    Inventors: Tetsunori KOBAYASHI, Kenzo AKAGIRI, Satoshi KANBA