Patents Assigned to Tokyo Institute of Technology
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Publication number: 20210147777Abstract: A co-culture device includes: a first body including a first membrane having a first main surface for culturing cells and a second main surface opposite to the first main surface, a first flow path partially defined by the first main surface, the first flow path configured for a first culture medium to flow therethrough, and a second flow path partially defined by the second main surface, the second flow path configured for a second culture medium having a higher dissolved oxygen concentration than that of the first culture medium to flow therethrough; and an oxygen concentration adjuster for adjusting the dissolved oxygen concentration in the first culture medium to be supplied to the first flow path.Type: ApplicationFiled: November 18, 2020Publication date: May 20, 2021Applicants: SHIMADZU CORPORATION, TOKYO INSTITUTE OF TECHNOLOGYInventors: Yoichi FUJIYAMA, Hiroomi GOTO, Masaki KANAI, Yoh-ichi TAGAWA
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Publication number: 20210147624Abstract: The invention provides a high-molecular-weight polyethylene glycol derivative that does not cause vacuolation of cells. The degradable polyethylene glycol derivative is represented by the following formula (1): wherein m is 1-7, n1 and n2 are each independently 45-682, p is 1-4, R is an alkyl group having 1-4 carbon atoms, Z is an oligopeptide with 2-8 residues composed of neutral amino acids excluding cysteine, Q is a residue of a compound having 2-5 active hydrogens, X is a functional group capable of reacting with a bio-related substance, and L1, L2, L3, L4 and L5 are each independently a single bond or a divalent spacer.Type: ApplicationFiled: March 29, 2019Publication date: May 20, 2021Applicants: NOF Corporation, Tokyo Institute of TechnologyInventors: Hiroki YOSHIOKA, Masaki KAMIYA, Yuji YAMAMOTO, Midori HIRAI, Akiko SASAKI, Nobuhiro NISHIYAMA, Makoto MATSUI, Hiroyasu TAKEMOTO, Kazuki MIYAUCHI, Takahiro NOMOTO, Keishiro TOMODA
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Patent number: 11010876Abstract: An image processing system includes: a weight determination circuitry configured to determine a band containing important information from among a group of images, which are acquired by a plurality of sensors, and to express a degree of importance of the band as a weight; a calculation circuitry configured to calculate, using the weight, an amount calculated based on a gradient of an image based on a gradient of each image, that is calculated based on the group of images, in order to restrict a gradient of an output image; and an image optimization circuitry configured to compose the output image using the amount calculated based on the gradient of the image.Type: GrantFiled: June 10, 2016Date of Patent: May 18, 2021Assignees: NEC Corporation, TOKYO INSTITUTE OF TECHNOLOGYInventors: Takashi Shibata, Masayuki Tanaka, Masatoshi Okutomi
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Patent number: 10998627Abstract: A phase adjustment circuit includes: a local frequency band phase shifter that adjusts a phase of a signal in a local signal frequency band and that outputs the adjusted signal; a frequency-converting mixer that receives the adjusted signal and another signal different from the adjusted signal, and that mixes the adjusted signal with the other signal; and a buffer amplifier that is provided between the local frequency band phase shifter and the frequency-converting mixer, and that is capable of amplifying an input power that is to be input to the frequency-converting mixer so that the input power is up to be in an input power range in which an input-output characteristic of power of the frequency-converting mixer is out of a linear region.Type: GrantFiled: October 23, 2018Date of Patent: May 4, 2021Assignees: NEC CORPORATION, TOKYO INSTITUTE OF TECHNOLOGYInventors: Kenichi Okada, Keiichi Motoi, Naoki Oshima, Rui Wu, Jian Pang
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Patent number: 10989679Abstract: A time-resolved photoemission electron microscopy including: a laser light source that outputs a pulse having less than or equal to a femtosecond level pulse width and variable repetition frequency; a pump light pulse generator configured to generate pump light pulse that excites photo-carriers of a sample by converting wavelength of light output from the laser light source; and a probe light pulse generator configured to generate probe light pulse that photo-emits photo-carriers excited by the pump light pulse from the sample by photoelectric effect by converting wavelength of light output from the laser light source. The energy of at least one of the pump light pulse and the probe light pulse is configured to continuously vary in a range not less than 0.1 eV and not more than 8 eV.Type: GrantFiled: February 9, 2018Date of Patent: April 27, 2021Assignees: TOKYO INSTITUTE OF TECHNOLOGY, INTER-UNIVERSITY RESEARCH INSTITUTE CORPORATION HIGH ENERGY ACCELERATOR RESEARCH ORGANIZATIONInventors: Shinya Koshihara, Keiki Fukumoto
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Publication number: 20210115397Abstract: In order to improve the efficiency of inducing differentiation of pluripotent stem cells, provided is a method for promoting differentiation of pluripotent stem cells, the method including a step of culturing pluripotent stem cells in a medium, wherein the medium is a medium containing a) an insulin-like growth factor, b) an insulin analogue preparation containing no zinc, c) an insulin analogue preparation containing a low concentration of zinc, or d) a compound exhibiting an insulin-like action.Type: ApplicationFiled: April 25, 2019Publication date: April 22, 2021Applicants: TOKYO INSTITUTE OF TECHNOLOGY, Ajinomoto Co., Inc.Inventors: Shoen KUME, Nobuaki SHIRAKI, Akira CHIBA, Takayuki ENOMOTO
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Publication number: 20210109366Abstract: A blur compensation system includes: a mirror on which light of an image from a predetermined position is incident and which reflects light of a specific wavelength such that an incidence angle and an emission angle of the light of the specific wavelength are different from each other; a mirror that is disposed at a position on which the light of an image which is reflected by the mirror is incident and reflects the light of the specific wavelength such that an incidence angle and an emission angle of the light of the specific wavelength are different from each other; and a lens that is disposed on an optical axis of the light of an image between the mirror and the mirror and changes a direction of the light of an image which is reflected by the mirror such that light of a wavelength other than the specific wavelength out of the light of an image which is reflected by the mirror is emitted in the same direction as the light of the specific wavelength from an emission position of the light of the specific waveType: ApplicationFiled: December 26, 2017Publication date: April 15, 2021Applicants: NTT DOCOMO, INC., TOKYO INSTITUTE OF TECHNOLOGYInventors: Shinji KIMURA, Kazuhiko TAKAHASHI, Yuji ABURAKAWA, Masahiro YAMAGUCHI, Tomoya NAKAMURA, Shunsuke IGARASHI
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Patent number: 10969335Abstract: A terahertz wave detection device includes a low-dimensional electron system material formed on a substrate; and a first electrode and a second electrode opposingly arranged on a two-dimensional plane of the low-dimensional electron system material. The first electrode and the second electrode are made of metals having different thermal conductivity. An 8-element array sensor includes eight terahertz wave detection devices aligned in an array. The terahertz wave detection device includes carbon nanotube film; a first electrode disposed on one side of the carbon nanotube film; and a second electrode disposed on the other side of the carbon nanotube film. The first electrode and the second electrode have different thermal conductivity.Type: GrantFiled: April 28, 2017Date of Patent: April 6, 2021Assignee: Tokyo Institute of TechnologyInventors: Yukio Kawano, Daichi Suzuki
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Patent number: 10961125Abstract: Provided are an sp2 carbon-containing composition that is highly conductive and that excels in the stability of conductivity over time, a method of manufacturing the sp.sup.2 carbon-containing composition, and a method of peeling graphite to obtain a graphene-containing composition. Further provided are a graphene quantum dot-containing composition and a method of manufacturing the graphene quantum dot-containing composition that provides an improvement in the productivity and the manufacturing cost. A method of manufacturing an sp2 carbon-containing composition according to the present disclosure includes a contact step of bringing a two-coordinate boron cation salt into contact with an sp.sup.2 carbon. Preferable examples of the two-coordinate boron cation include one expressed by the following formula (1). R1—B—R2 Formula (1) [In the formula, R.sup.1 and R.sup.Type: GrantFiled: February 15, 2017Date of Patent: March 30, 2021Assignees: TOKYO INSTITUTE OF TECHNOLOGY, NICHIA CORPORATIONInventors: Takanori Fukushima, Yoshiaki Shoji, Hiroaki Takahashi
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Publication number: 20210088948Abstract: An image forming apparatus includes a plurality of temperature-influence members, a first-point temperature acquisition unit, a second-point temperature estimation unit, and a controller. The plurality of temperature-influence members have influence on a temperature of a recording medium on which an image is formed. The first-point temperature acquisition unit is configured to detect or estimate a temperature of the recording medium at a first point. The second-point temperature estimation unit is configured to estimate a temperature of the recording medium at a second point, based on a detection result of at least one of a temperature of the recording medium at a point different from the second point and a temperature of a member or atmosphere. The controller is configured to control the plurality of temperature-influence members, based on an acquisition result from the first-point temperature acquisition unit and an estimation result from the second-point temperature estimation unit.Type: ApplicationFiled: September 24, 2020Publication date: March 25, 2021Applicants: Ricoh Company, Ltd., TOKYO INSTITUTE OF TECHNOLOGYInventors: Kaori HEMMI, Koichi KATO, Kimiharu YAMAZAKI, Kazuyoshi FUSHINOBU, Shunsuke KAWASAKI, Shinichi KURAMOTO
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Publication number: 20210078944Abstract: The present invention provides a compound represented by formula (I) wherein symbols in the formula are as defined in the specification.Type: ApplicationFiled: November 25, 2020Publication date: March 18, 2021Applicants: Tokyo Institute Of Technology, Daikin Industries, Ltd.Inventors: Toshikazu Takata, Hiromitsu Sogawa, Tadashi Kanbara, Tsuyoshi Noguchi
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Patent number: 10943339Abstract: The present invention enables a high-quality filtered image to be generated even from multimodal and multispectral images containing positional deviations. An image perturbation part generates a perturbed guide image group comprising first to K-th perturbed guide images obtained by deforming a guide image. A filtering part generates a filtered image group comprising first to K-th filtered images by applying first to K-th filtering processing to a target image by using the perturbed guide image group. A reliability calculation part calculates a reliability group comprising first to K-th reliabilities for the first to K-th filtered images of the filtered image group on the basis of first to K-th correlation values between the first to K-th perturbed guide images and the target image. A weight optimization part generates, on the basis of the first to K-th reliabilities, a weight group comprising first to K-th weights to be respectively used when compositing the first to K-th filtered images.Type: GrantFiled: October 26, 2017Date of Patent: March 9, 2021Assignees: NEC CORPORATION, TOKYO INSTITUTE OF TECHNOLOGYInventors: Takashi Shibata, Masatoshi Okutomi, Masayuki Tanaka
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Patent number: 10943561Abstract: The image data display system according to the present invention makes it possible to comprehend a global distribution of measurement values and a change in details of the measurement values simultaneously. In the present invention, a color information conversion unit converts the measurement values to color information for representing the global distribution of the measurement values. A detail extraction unit extracts detail information of the measurement values from the measurement values. A detail adjustment unit adjusts the strength of detail information and generates adjusted detail information. A color information adding unit adds color information on the basis of the adjusted detail information.Type: GrantFiled: September 7, 2017Date of Patent: March 9, 2021Assignees: NEC Corporation, TOKYO INSTITUTE OF TECHNOLOGYInventors: Takashi Shibata, Masayuki Tanaka, Masatoshi Okutomi
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Patent number: 10941427Abstract: A production system for a product selected from a nitrogen-containing product and a fermented and cultured product that does not involve (or can minimize) the transport of liquid ammonia can include: an ammonia synthesis apparatus in which an ammonia-containing gas is synthesized by reaction of a source gas containing hydrogen and nitrogen in the presence of a supported metal catalyst containing as a support one or more selected from the group consisting of: i) a conductive mayenite compound; ii) a two-dimensional electride compound or a precursor thereof; and iii) a complex formed of a support base containing at least one metal oxide selected from ZrO2, TiO2, CeO2, and MgO and a metal amide represented by a formula M(NH2)x (where M represents one or more selected from Li, Na, K, Be, Mg, Ca, Sr, Ba, and Eu; and x represents a valence number of M) supported by the support base.Type: GrantFiled: August 11, 2017Date of Patent: March 9, 2021Assignees: Ajinomoto Co., Inc., Tokyo Institute of TechnologyInventors: Mitsuhiro Kishino, Hiroyuki Kojima, Hideo Hosono, Michikazu Hara, Masaaki Kitano, Toshiharu Yokoyama, Toru Numaguchi, Munenobu Ito, Kazuteru Yamada, Hiromi Noguchi
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Patent number: 10941253Abstract: A block copolymer including a first block and a second block, the first block consisting of a polymer (P1) having a repeating structure of a structural unit (u1) containing in a side chain thereof a hyperbranched structure containing a silicon atom.Type: GrantFiled: February 13, 2018Date of Patent: March 9, 2021Assignees: Tokyo Ohka Kogyo Co., Ltd., Tokyo Institute of TechnologyInventors: Teruaki Hayakawa, Seina Yamazaki, Rin Odashima, Takehiro Seshimo, Daisuke Kawana, Akiyoshi Yamazaki
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Patent number: 10937964Abstract: The purpose of the present invention is to provide an organic semiconductor material having liquid crystallinity and high electron mobility. The present invention is an organic semiconductor material having at least a charge-transporting molecular unit (A) having a structure of an aromatic fused ring system and a cyclic structural unit (B) bonded to the aforementioned unit via a single bond, wherein the unit (A) and/or the unit (B) has a side chain composed of a unit (C), and wherein the organic semiconductor material exhibits a liquid crystal phase that is different from an N-phase, an SmA-phase or an SmC-phase.Type: GrantFiled: July 6, 2018Date of Patent: March 2, 2021Assignees: Tokyo Institute of Technology, DIC CorporationInventors: Junichi Hanna, Takeo Kobori, Takayuki Usui, Yukiko Takayashiki, Hiroaki Iino, Akira Oono
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Publication number: 20210054377Abstract: The invention provides an antisense oligonucleotide reduced in toxicity. The antisense oligonucleotide has a central region, a 5?-side region and a 3?-side region, wherein the central region has a nucleotide (2?-3? bridged nucleotide) in which the 2?-position and the 3?-position of a sugar moiety are bridged and/or a non-bridged nucleotide (3?-position-modified non-bridged nucleotide) having a substituent at the 3?-position.Type: ApplicationFiled: March 20, 2019Publication date: February 25, 2021Applicants: TOKYO INSTITUTE OF TECHNOLOGY, NISSAN CHEMICAL CORPORATIONInventors: Yoshiaki MASAKI, Kohji SEIO, Atsushi INOUE, Yusuke IRIYAMA, Tatsuro KANAKI, Hiroyuki NAKAJIMA
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Patent number: 10919143Abstract: A device and method for judging the presence or absence of an abnormal clearance between paring elements of a passive joint of a robot. The device has sections configured to: calculate a score for each motion path, wherein the score is increased when the paring elements of an objective pair collide with each other and is decreased when the paring elements of the other pair collide with each other; generate a robot motion for moving the robot along the motion path having the score not lower than a predetermined threshold; measure a drive torque or a current value of a motor when the robot is moved according to the generated robot motion; calculate an index value based on a magnitude of variation of the measured drive torque or current value; and judge as to whether the abnormal clearance exists in the objective pair, based on the index value.Type: GrantFiled: February 7, 2019Date of Patent: February 16, 2021Assignees: FANUC CORPORATION, TOKYO INSTITUTE OF TECHNOLOGYInventors: Hiroshi Nakagawa, Kenichiro Abe, Yunfeng Wu, Hikaru Yamashiro, Hideo Matsui, Soichi Arita, Yukio Takeda, Masumi Ohno
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Publication number: 20210035326Abstract: A motion measurement system including a wide-angle camera configured to capture in the periphery of an image at least a part of a body of a subject when the wide-angle camera is mounted on the body, a feature point extractor configured to extract feature points from the image, and a 3D pose estimator configured to estimate 3D pose data of the subject by using the feature points.Type: ApplicationFiled: July 31, 2020Publication date: February 4, 2021Applicant: TOKYO INSTITUTE OF TECHNOLOGYInventors: Hideki KOIKE, Dong-Hyun HWANG
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Patent number: 10906029Abstract: Provided is a photocatalyst including a photocatalyst in which part of calcium ions are substituted with titanium ions, and part of phosphoric acid ions are substituted with metal oxoacid ions in a calcium hydroxyapatite crystal structure.Type: GrantFiled: May 16, 2018Date of Patent: February 2, 2021Assignees: FUJITSU LIMITED, TOKYO INSTITUTE OF TECHNOLOGYInventors: Masato Wakamura, Akira Nakajima, Noppakhate Jiraborvornpongsa