Patents Assigned to Kanagawa Academy of Science and Technology
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Publication number: 20090035793Abstract: In a microchip which enables cell cultivation and accurate cell count measurement, fine particles affixed with cells are trapped within a passage by making the minimum width of a solution and fine particle inlet into a cell culture portion larger than the maximum diameter of the fine particles, and making the width of an outlet smaller than the maximum diameter of the fine particles.Type: ApplicationFiled: August 31, 2006Publication date: February 5, 2009Applicants: Nissan Chemical Industries, Ltd., Kanagawa Academy of Science and TechnologyInventors: Taito Nishino, Masaki Kitahara, Manabu Tokeshi, Takehiko Kitamori
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Publication number: 20080308833Abstract: The refractive index of a titanium oxide layer is modified by adding an impurity (e.g., niobium (Nb)) thereto within a range where good electrical conductivity is obtained. The Group III nitride-based compound semiconductor light-emitting device of the invention includes a sapphire substrate, an aluminum nitride (AlN) buffer layer, an n-contact layer, an n-cladding layer, a multiple quantum well layer (emission wavelength: 470 nm), a p-cladding layer, and a p-contact layer. On the p-contact layer is provided a transparent electrode made of niobium titanium oxide and having an embossment. An electrode is provided on the n-contact layer. An electrode pad is provided on a portion of the transparent electrode. Since the transparent electrode is formed from titanium oxide containing 3% niobium, the refractive index with respect to light (wavelength: 470 nm) becomes almost equal to that of the p-contact layer.Type: ApplicationFiled: May 23, 2008Publication date: December 18, 2008Applicants: TOYODA GOSEI CO., LTD., KANAGAWA ACADEMY OF SCIENCE AND TECHNOLOGYInventors: Miki Moriyama, Koichi Goshonoo, Taro Hitosugi, Tetsuya Hasegawa
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Publication number: 20080241073Abstract: A contrast agent for magnetic resonance imaging which stably circulates in the blood for a long period and which targets solid tumors, with which clear images of cancers may be obtained is disclosed. The contrast agent for magnetic resonance imaging comprises as an effective ingredient a polymeric micelle having gadolinium (Gd) atoms in an inner core and an outer shell including hydrophilic polymer chain segments, which micelle is delivered to a tissue(s) and/or site(s) of solid tumor(s) in vivo, whose micellar structure is dissociated after being accumulated in the tissue(s) and/or site(s).Type: ApplicationFiled: January 6, 2005Publication date: October 2, 2008Applicant: Kanagawa Academy of Science and TechnologyInventors: Masayuki Yokoyama, Teruo Okano, Emiko Nakamura
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Publication number: 20080220290Abstract: To provide a magnetic recording medium manufacturing method capable of transferring a pattern that can serve as a source for forming anodized alumina-nanoholes with high precision and realizing high productivity, and a large-capacity magnetic recording medium capable of achieving high density recording. The method includes forming a metallic layer on a concavo-convex pattern formed on a surface of a mold; bonding a substrate using an adhesive to a surface of the metallic layer on the side opposite to the mold; separating the mold from the metallic layer; forming, through nanohole formation treatment, a porous layer in which a plurality of nanoholes are formed to orient in a direction substantially perpendicular to a substrate plane by using as a nanohole source a concavo-convex pattern which has been formed by transferring the concavo-convex pattern in the mold to the metallic layer; and charging a magnetic material inside the nanoholes.Type: ApplicationFiled: December 28, 2007Publication date: September 11, 2008Applicants: Fujitsu Limited, Kanagawa Academy of Science and TechnologyInventors: Ken-ichi Itoh, Hideyuki Kikuchi, Hiroshi Nakao, Hirotaka Oshima, Takahiro Umada, Hideki Masuda, Kazuyuki Nishio, Mitsuo Takeuchi, Hiroaki Date
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Publication number: 20080191203Abstract: A GaN layer (12) is formed on a planarized surface of a ZnO substrate (11) to provide a nitride semiconductor device (10) having the GaN layer. The GaN layer (12) is formed by a first film-forming step of allowing epitaxial growth of GaN at a temperature not higher than 300° C., and a second film-forming step of allowing epitaxial growth of GaN at a temperature not lower than 550° C. on a film of GaN formed by the first film-forming step.Type: ApplicationFiled: January 31, 2006Publication date: August 14, 2008Applicant: KANAGAWA ACADEMY OF SCIENCE AND TECHNOLOGYInventors: Hiroshi Fujioka, Atsushi Kobayashi
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Patent number: 7402439Abstract: An integrated structure of multilayer flow microchannel, which comprises a plurality of microchannels in which parallel multilayer flow that involves the interface of fluids is formed, arranged on various positions of a substrate, wherein each of the multilayer flow microchannels is communicated with another multilayer flow microchannel. A plurality of unit operations can be carried out continuously with high efficiency on a microchip, enabling high-degree microanalysis or precise chemical synthesis using the highly integrated structure of multilayer flow microchannel.Type: GrantFiled: July 10, 2002Date of Patent: July 22, 2008Assignee: Kanagawa Academy of Science and TechnologyInventors: Takehiko Kitamori, Manabu Tokeshi, Akihide Hibara
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Publication number: 20080145522Abstract: A nanohole structure includes a metallic matrix and nanoholes arrayed regularly in the metallic matrix, in which the nanoholes are spaced in rows at specific intervals to constitute rows of nanoholes. The rows of nanoholes are preferably arranged concentrically or helically. The nanoholes in adjacent rows of nanoholes are preferably arranged in a radial direction. The width of each row of nanoholes preferably varies at specific intervals in its longitudinal direction. A magnetic recording medium includes a substrate, and a porous layer on or above the substrate. The porous layer contains nanoholes each extending in a direction substantially perpendicular to a substrate plane, containing at least one magnetic material therein, and is the above-mentioned nanohole structure.Type: ApplicationFiled: November 21, 2007Publication date: June 19, 2008Applicants: FUJISTU LIMITED, KANAGAWA ACADEMY OF SCIENCE AND TECHNOLOGYInventors: Ken-ichi Itoh, Hiroshi Nakao, Hideyuki Kikuchi, Mineo Moribe, Hideki Masuda
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Publication number: 20080112956Abstract: Disclosed are a method for detecting liver cancer capable of detecting liver cancer with high specificity and a diagnostic therefor, as well as a novel therapeutic drug for cancer having an excellent anticancer effect. The method for detecting liver cancer cells in a sample utilizes as an index the expression of dlk gene. The expression of dlk gene may be measured by immunoassay using an anti-dlk antibody or by measuring mRNA of dlk gene. The therapeutic drug for cancer comprises as an effective ingredient an antibody which undergoes antigen-antibody reaction with Dlk expressing on surfaces of cancer cells and which exerts anticancer action against the cancer cells.Type: ApplicationFiled: November 25, 2004Publication date: May 15, 2008Applicant: KANAGAWA ACADEMY OF SCIENCE AND TECHNOLOGYInventors: Koji Nakamura, Hiroko Anzai, Hiroyuki Yanai, Atsushi Miyajima
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Patent number: 7327074Abstract: An illuminating device is made from a transparent hollow envelope that encloses a filler gas. The envelope has inner and outer surfaces. The illuminating device has a coating of a fluorescent material deposited on the inner surface of the transparent envelope where the fluorescent material emits light having a visible component and an ultraviolet component; and a titanium dioxide film having first and second opposing surfaces where the first surface of the titanium dioxide film is formed on the outer surface of the transparent envelope. A light transmittance of the titanium dioxide film is at least 50% for light having a wavelength of 550 nm, and the light transmitted from the fluorescent material through the transparent envelope and the first surface of the titanium dioxide film to the second surface thereof causes photocatalytic activity to be generated on the second surface of the titanium dioxide film.Type: GrantFiled: November 29, 2006Date of Patent: February 5, 2008Assignees: Kanagawa Academy of Science and Technology, Nippon Soda Co., Ltd.Inventors: Akira Fujishima, Kazuhito Hashimoto, Tomokazu Iyoda, Shigemichi Fukayama, Tetsuo Yoshimoto, Tokuyoshi Saitoh
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Publication number: 20070289874Abstract: In this method for producing an anti-reflective film, pores are formed on a surface of a polymer molding material to continuously change a refractive index and then reduce reflectance, in which anodic oxidized porous alumina, in which pores having a tapered shape and whose pore diameter continuously changes, are formed by repeating anodic oxidation at about the same formation voltage and pore diameter enlargement treatment, is used as a mold, or a stamper, which is produced by using the anodic oxidized porous aluminum as a mold, is used as a mold.Type: ApplicationFiled: June 14, 2006Publication date: December 20, 2007Applicant: Kanagawa Academy of Science and TechnologyInventors: Hideki Masuda, Kenji Yasui, Yasushi Kawamoto
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Publication number: 20070287025Abstract: With regard to a substrate for a transparent electrode and transparent conductive thin film each having transparency and conductivity, a transparent metal material and transparent electrode are provided which are capable of being stably supplied and are composed of raw materials with superior chemical resistance. When a metal oxide layer (12) composed of an anatase type crystal structure is provided on a substrate (11) to constitute the metal oxide layer (12) by M:TiO2, low resistivity is achieved while internal transmittance is maintained. M:TiO2 obtained by substituting other atoms (Nb, Ta, Mo, As, Sb, or W) for Ti of the anatase type TiO2 enable maintenance of transparency and remarkably improvement of electric conductivity.Type: ApplicationFiled: August 10, 2005Publication date: December 13, 2007Applicant: KANAGAWA ACADEMY OF SCIENCE AND TECHNOLOGYInventors: Yutaka Furubayashi, Tetsuya Hasegawa, Taro Hitosugi
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Publication number: 20070237705Abstract: To provide a carbon nanotube chain consisting of a row of carbon nanotubes, the carbon nanotube chain being suitably used for instance as a target detector or sensor, and an efficient production process for the same. The carbon nanotube chain includes a support, and a plurality of carbon nanotubes bonded at one end to a surface of the support, wherein the plurality of carbon nanotubes is oriented in a direction substantially orthogonal to the surface of the support.Type: ApplicationFiled: March 29, 2007Publication date: October 11, 2007Applicants: FUJITSU LIMITED, TOHOKU UNIVERSITY, KANAGAWA ACADEMY OF SCIENCE AND TECHNOLOGYInventors: Ken-Ichi Itoh, Hideki Masuda, Takashi Kyotani
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Publication number: 20070230181Abstract: An illuminating device is made from a transparent hollow envelope that encloses a filler gas. The envelope has inner and outer surfaces. The illuminating device has a coating of a fluorescent material deposited on the inner surface of the transparent envelope where the fluorescent material emits light having a visible component and an ultraviolet component; and a titanium dioxide film having first and second opposing surfaces where the first surface of the titanium dioxide film is formed on the outer surface of the transparent envelope. A light transmittance of the titanium dioxide film is at least 50% for light having a wavelength of 550 nm, and the light transmitted from the fluorescent material through the transparent envelope and the first surface of the titanium dioxide film to the second surface thereof causes photocatalytic activity to be generated on the second surface of the titanium dioxide film.Type: ApplicationFiled: November 29, 2006Publication date: October 4, 2007Applicants: Kanagawa Academy of Science and Technology, Nippon Soda Co., Ltd.Inventors: Akira Fujishima, Kazuhito Hashimoto, Tomokazu Iyoda, Shigemichi Fukayama, Tetsuo Yoshimoto, Tokuyoshi Saitoh
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Publication number: 20070218646Abstract: An electric conductor is provided, which is excellent in electric conductivity and has good transparency. A process for producing electric conductor comprising a step of forming on a surface of a substrate body 11 a precursor layer 12? made of titanium oxide doped with one or at least two dopants selected from the group consisting of Nb, Ta, Mo, As, Sb, Al, Hf, Si, Ge, Zr, W, Co, Fe, Cr, Sn, Ni, V, Mn, Tc, Re, P and Bi; and a step of annealing the precursor layer 12? in a reducing atmosphere to form a metal oxide layer 12.Type: ApplicationFiled: March 19, 2007Publication date: September 20, 2007Applicants: Asahi Glass Company, Limited, Kanagawa Academy of Science and TechnologyInventors: Taro Hitosugi, Atsuki Ueda, Naoomi Yamada, Tetsuya Hasegawa
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Publication number: 20070148054Abstract: An organic synthesis microreactor mixes fluids in a very narrow space and causes the fluids to react in multiple stages. The reactor consists of an introduction portion and a reaction portion disconnectably connected. The introduction portion introduces reagents from channels and, if necessary, mixes and reacts the reagents. The reaction portion accepts a reagent or reaction liquid from the introduction portion and mixes and reacts the reagent or reaction liquid with other reagent.Type: ApplicationFiled: November 22, 2006Publication date: June 28, 2007Applicants: JEOL Ltd., Kanagawa Academy of Science and TechnologyInventors: Yutaka Takahashi, Takehiko Kitamori
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Publication number: 20070018082Abstract: The broad range measurement exploiting the usual propagated light and the high resolution measurement mode exploiting near-field light are to be accomplished with a sole as-assembled optical probe. To this end, light radiated through an optical probe 13 having a light shielding coating layer 33 formed for defining a light radiating aperture D or light radiated at a core 31 of the optical probe 13 is propagated, as the optical probe 13 is moved in a direction towards and away from a surface for measurement 2a. The core of the optical probe is coated with a light shielding coating layer 33. In this manner, a spot of propagated light propagated through the core 31 or a spot of near-field light seeping from the light radiating aperture D is formed on the surface for measurement 2a, and light derived from the spot of light is detected.Type: ApplicationFiled: July 8, 2004Publication date: January 25, 2007Applicants: Kanagawa Academy of Science and Technology, Hoden Seimitsu Kakokenkyusho Co., Ltd.Inventors: Motoichi Ohtsu, Motonobu Kourogi, Shuji Mononobe, Takashi Yatsui, Koji Yamamoto, Toshiyuki Inokuchi, Matsato Takada
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Patent number: 7157840Abstract: An illuminating device is made from a transparent hollow envelope that encloses a filler gas. The envelope has inner and outer surfaces. The illuminating device has a coating of a fluorescent material deposited on the inner surface of the transparent envelope where the fluorescent material emits light having a visible component and an ultraviolet component; and a titanium dioxide film having first and second opposing surfaces where the first surface of the titanium dioxide film is formed on the outer surface of the transparent envelope. A light transmittance of the titanium dioxide film is at least 50% for light having a wavelength of 550 nm, and the light transmitted from the fluorescent material through the transparent envelope and the first surface of the titanium dioxide film to the second surface thereof causes photocatalytic activity to be generated on the second surface of the titanium dioxide film.Type: GrantFiled: December 24, 2002Date of Patent: January 2, 2007Assignees: Kanagawa Academy of Science and Technology, Nippon Soda Co., Ltd.Inventors: Akira Fujishima, Kazuhito Hashimoto, Tomokazu Iyoda, Shigemichi Fukayama, Tetsuo Yoshimoto, Tokuyoshi Saitoh
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Patent number: 7109043Abstract: A fluorescent probe for measuring magnesium ion, which can selectively form a complex with magnesium ion in aqueous system is disclosed. The fluorescent probe for measuring magnesium ion according to the present invention has the structure represented by the following Formula [I]: (wherein R1 represents a hydrogen atom, metal atom or an ester-forming group; A represents a group which forms a ring structure together with carbon atom 1 and carbon atom 2; and X is a fluorescent group which may form a condensed ring together with the ring containing the group A).Type: GrantFiled: July 25, 2001Date of Patent: September 19, 2006Assignees: Japan Science and Technology Corporation, The Kanagawa Academy of Science and Technology Foundation, Keio UniversityInventors: Koji Suzuki, Yoshio Suzuki, Kotaro Oka
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Patent number: 7092099Abstract: A microchemical system is provided, which can improve the working efficiency of the user. In the microchemical system 1, a plate-shaped element 10 that constitutes an optical unit 1a has an optical wave guide path 20, which acts as an optical path for exciting light and detecting light. An irradiation lens 30 is disposed at an end of the optical wave guide path 20 downstream in the direction of travel of the exciting light and the detecting light, and a channel 40 is located downstream of the irradiation lens 30, through which a liquid containing a sample flows. A detector 50 is disposed at an end of the plate-shaped element 10 downstream of the channel 40 and detects the detecting light for analysis of the sample.Type: GrantFiled: January 27, 2004Date of Patent: August 15, 2006Assignees: Nippon Sheet Glass Co., Ltd., Kanagawa Academy of Science & TechnologyInventors: Jun Yamaguchi, Akihiko Hattori, Takehiko Kitamori, Manabu Tokeshi
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Publication number: 20060160089Abstract: An agent for fixing (a) substance(s), which can fix various substances to be fixed on a substrate via covalent bonds and which has an excellent effect for the prevention of non-specific adsorption is disclosed. A polymer containing a plurality of phosphorylcholine groups and photoreactive groups in one molecule is used. The polymer binds to the substrate and to the substance to be fixed via the photoreactive groups, thereby the substance to be fixed is bound to the substrate via covalent bonds through the polymer, and non-specific adsorption is effectively prevented by the phosphorylcholine groups. Further, an agent for fixing (a) substance(s) for fixing the substance on a substrate, comprising a nonionic water-soluble macromolecule having at least 2 photoreactive groups in one molecule was also provided.Type: ApplicationFiled: March 30, 2004Publication date: July 20, 2006Applicants: KANAGAWA ACADEMY OF SCIENCE AND TECHNOLOGY, TAIKO-DENKI CO., LTD.Inventors: Yoshihiro Ito, Hirokazu Hasuda, Tomohiro Konno, Kazuhiko Ishihara, Tetsuya Yamauchi