Patents by Inventor Ryuichi Takahashi
Ryuichi Takahashi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Publication number: 20240142697Abstract: An optical fiber bundle structure includes: plural optical fiber core wires; a crossing preventing member; and a grasping member. Further, the crossing preventing member has slits and the widths of the slits positioned at the respective sides are each equal to or larger than a difference between: a length of one side of a polygon circumscribing the plural optical fiber core wires at a hindmost end portion of the slits at the trailing end; and a length of one side of a polygon circumscribing the plural optical fiber core wires at the leading end.Type: ApplicationFiled: January 11, 2024Publication date: May 2, 2024Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Kohei KAWASAKI, Ryuichi SUGIZAKI, Masayoshi TSUKAMOTO, Masanori TAKAHASHI, Shigehiro TAKASAKA, Koichi MAEDA
-
Patent number: 11940649Abstract: An optical fiber bundle structure includes: plural optical fiber core wires; a crossing preventing member; and a grasping member. Further, the crossing preventing member has slits and the widths of the slits positioned at the respective sides are each equal to or larger than a difference between: a length of one side of a polygon circumscribing the plural optical fiber core wires at a hindmost end portion of the slits at the trailing end; and a length of one side of a polygon circumscribing the plural optical fiber core wires at the leading end.Type: GrantFiled: September 20, 2021Date of Patent: March 26, 2024Assignee: FURUKAWA ELECTRIC CO., LTD.Inventors: Kohei Kawasaki, Ryuichi Sugizaki, Masayoshi Tsukamoto, Masanori Takahashi, Shigehiro Takasaka, Koichi Maeda
-
Patent number: 11618504Abstract: There is provided a bracket which connects an apron reinforcement provided below a bonnet and an upper portion of a fender provided on an outward side, in a vehicle width direction, of the bonnet. The bracket comprises a fender fixing portion fixed to a flange portion of an upper end portion of the fender, a body portion extending downwardly from the fender fixing portion and positioned on the outward side of the apron reinforcement, and an apron-reinforcement fixing portion extending from an inward side, in the vehicle width direction, of the body portion toward the apron reinforcement and fixed to the apron reinforcement. The body portion is provided with a curved part which is configured to be curved outwardly in the vehicle width direction.Type: GrantFiled: January 28, 2021Date of Patent: April 4, 2023Assignee: MAZDA MOTOR CORPORATIONInventors: Kuniyoshi Tashiro, Shigeaki Watanabe, Ryuichi Takahashi, Masatoki Kito, Susumu Kuroda, Reiko Yoshiura, Tomohiro Shimada, Kazumichi Takeshige, Qiang Wang, Toshihiro Nakaza, Satoru Eguchi, Hayato Miyazaki
-
Publication number: 20210261194Abstract: There is provided a bracket which connects an apron reinforcement provided below a bonnet and an upper portion of a fender provided on an outward side, in a vehicle width direction, of the bonnet. The bracket comprises a fender fixing portion fixed to a flange portion of an upper end portion of the fender, a body portion extending downwardly from the fender fixing portion and positioned on the outward side of the apron reinforcement, and an apron-reinforcement fixing portion extending from an inward side, in the vehicle width direction, of the body portion toward the apron reinforcement and fixed to the apron reinforcement. The body portion is provided with a curved part which is configured to be curved outwardly in the vehicle width direction.Type: ApplicationFiled: January 28, 2021Publication date: August 26, 2021Applicant: MAZDA MOTOR CORPORATIONInventors: Kuniyoshi TASHIRO, Shigeaki WATANABE, Ryuichi TAKAHASHI, Masatoki KITO, Susumu KURODA, Reiko YOSHIURA, Tomohiro SHIMADA, Kazumichi TAKESHIGE, Qiang WANG, Toshihiro NAKAZA, Satoru EGUCHI, Hayato MIYAZAKI
-
Patent number: 9865823Abstract: The present invention relates to an electrode layer comprising a porous film made of oxide semiconductor fine particles sensitized with a quinolinium dye having a fluorinated counteranion. Moreover the present invention relates to a photoelectric conversion device comprising said electrode layer, a dye sensitized solar cell comprising said photoelectric conversion device and to novel quinolinium dyes having a fluorinated counteranion.Type: GrantFiled: March 27, 2013Date of Patent: January 9, 2018Assignee: BASF SEInventors: Robert Send, Ingmar Bruder, Peter Erk, Ruediger Sens, Hiroshi Yamamoto, Hitoshi Yamato, Shinji Nakamichi, Ryuichi Takahashi
-
Publication number: 20160155575Abstract: The present invention relates to an electrode layer comprising a porous film made of oxide semiconductor fine particles sensitized with a methine dye having a counter anion capable of absorbing electromagnetic radiation having a wavelength in the range of from 400 nm to 1000 nm. Moreover the present invention relates to a photoelectric conversion device comprising said electrode layer, a dye sensitized solar cell comprising said photoelectric conversion device, an organic electronic device comprising said photoelectric conversion device and to novel methine dyes having a counter anion capable of absorbing electromagnetic radiation having a wavelength in the range of from 400 nm to 1000 nm.Type: ApplicationFiled: July 22, 2004Publication date: June 2, 2016Applicant: BASF SEInventors: Hitoshi YAMATO, Shinji NAKAMICHI, Ryuichi TAKAHASHI, Hiroshi YAMAMOTO, Robert SEND, Henrike WONNEBERGER, Ingmar BRUDER, Vytautas GETAUTIS, Rakstys KASPARAS, Tadas MALINAUSKAS
-
Publication number: 20150108415Abstract: The present invention relates to an electrode layer comprising a porous film made of oxide semiconductor fine particles sensitized with a quinolinium dye having a fluorinated counteranion. Moreover the present invention relates to a photoelectric conversion device comprising said electrode layer, a dye sensitized solar cell comprising said photoelectric conversion device and to novel quinolinium dyes having a fluorinated counteranion.Type: ApplicationFiled: March 27, 2013Publication date: April 23, 2015Applicant: BASF SEInventors: Robert Send, Ingmar Bruder, Peter Erk, Ruediger Sens, Hiroshi Yamamoto, Hitoshi Yamato, Shinji Nakamichi, Ryuichi Takahashi
-
Patent number: 8723017Abstract: The present invention pertains to an electrode layer comprising a porous film made of oxide semiconductor fine particles sensitized with certain methin dyes. Moreover the present invention pertains to a photoelectric conversion device comprising said electrode layer, a dye sensitized solar cell comprising said photoelectric conversion device and to novel methin dyes.Type: GrantFiled: February 26, 2009Date of Patent: May 13, 2014Assignee: BASF SEInventors: Kazuhiko Kunimoto, Hiroshi Yamamoto, Shinji Nakamichi, Ryuichi Takahashi, Junichi Tanabe
-
Patent number: 8709299Abstract: The present invention pertains to an electrode layer comprising a porous film made of oxide semiconductor fine particles sensitized with certain methin dyes. Moreover the present invention pertains to a photoelectric conversion device comprising said electrode layer, a dye sensitized solar cell comprising said photoelectric conversion device and to novel methin dyes.Type: GrantFiled: August 27, 2010Date of Patent: April 29, 2014Assignee: BASF SEInventors: Junichi Tanabe, Hiroshi Yamamoto, Shinji Nakamichi, Ryuichi Takahashi
-
Publication number: 20120145238Abstract: The present invention pertains to an electrode layer comprising a porous film made of oxide semiconductor fine particles sensitized with certain methin dyes. Moreover the present invention pertains to a photoelectric conversion device comprising said electrode layer, a dye sensitized solar cell comprising said photoelectric conversion device and to novel methin dyes.Type: ApplicationFiled: August 27, 2010Publication date: June 14, 2012Applicant: BASF SEInventors: Junichi Tanabe, Hiroshi Yamamoto, Shinji Nakamichi, Ryuichi Takahashi
-
Publication number: 20110233477Abstract: The present invention pertains to an electrode layer comprising a porous film made of oxide semiconductor fine particles sensitized with certain methine dyes.Type: ApplicationFiled: March 28, 2011Publication date: September 29, 2011Applicant: BASF SEInventors: Hiroshi Yamamoto, Shinji Nakamichi, Junichi Tanabe, Ryuichi Takahashi, Hitoshi Yamato
-
Publication number: 20110061723Abstract: The present invention pertains to an electrode layer comprising a porous film made of oxide semiconductor fine particles sensitized with certain methin dyes. Moreover the present invention pertains to a photoelectric conversion device comprising said electrode layer, a dye sensitized solar cell comprising said photoelectric conversion device and to novel methin dyes.Type: ApplicationFiled: February 26, 2009Publication date: March 17, 2011Applicant: BASF SEInventors: Kazuhiko Kunimoto, Hiroshi Yamamoto, Shinji Nakamichi, Ryuichi Takahashi, Junichi Tanabe
-
Publication number: 20080095967Abstract: The invention relates to new compounds of formula (I), (II), (III) or (IV) and their use in the recording layer of an optical recording medium comprising a substrate, a recording layer and optionally one or more reflecting layers.Type: ApplicationFiled: August 3, 2005Publication date: April 24, 2008Inventors: Kazuhiko Kunimoto, Yuichi Nishimae, Ryuichi Takahashi, Henri Dubas
-
Publication number: 20070184232Abstract: The invention relates to an optical recording medium comprising a substrate, a reflecting layer and a recording layer comprising a compound of formula (I) or a tautomer thereof, wherein G1, G2 and G3 are each independently of the other A1, A2 and A3 are each independently of the other N(R14),O, S or Se and A4 is C(C1-C5aIkyl)2, C(C4-C5alkylene), N(R14), O, S, Se, N?C(R15) or CH?C(R16); M1 is an at least trivalent metal of groups 3 to 15 most preferred Co(III) or Cr(III); Q1, Q2 and Q3 are each independently of the other C(R17), N or P. Recording and playback are effected especially at a wavelength of from 350 to 500 nm, for example using a blue laser.Type: ApplicationFiled: February 16, 2005Publication date: August 9, 2007Inventors: Ryuichi Takahashi, Kazuhiko Kunimoto, Peter Sutter, Urs Lehmann
-
Patent number: 6706330Abstract: The invention relates to a process for coating a surface through graft polymerization, characterized in that before graft polymerization, the surface is modified, in the presence of an amine of formula: wherein R1 is hydrogen or a group R4, R2 and R3 are each independently a group R4, and R4 is [-1,2-C2-C3alkylen-T-]n-H wherein T is O or NH and n is a number from 1 to 3, by a compound having a functional group: wherein R5 to R7 are each C1-C4alkyl. The amount of amine is preferably from 5 to 500 g/m2 of surface of the substrate particle. The amount of the trialkoxysilane compound is preferably from 0.1 to 2 g/m2 of surface of the substrate particle. The process for coating a surface is particularly useful for effect pigments.Type: GrantFiled: May 17, 2002Date of Patent: March 16, 2004Assignee: Ciba Specialty Chemicals CorporationInventors: Ryuichi Takahashi, Adrian Schulthess, Kimiya Takeshita, Fritz Herren, Patrice Bujard
-
Publication number: 20020188039Abstract: The invention relates to a collection of composite plateletlike particles comprising a core and at least one coating layer consisting essentially of a compound having from 60 to 95% by weight of carbon and from 5 to 25% by weight of nitrogen, the balance to 100% being selected from elements of the group consisting of hydrogen, oxygen and sulfur.Type: ApplicationFiled: May 17, 2002Publication date: December 12, 2002Inventors: Ryuichi Takahashi, Adrian Schulthess, Kimiya Takeshita, Fritz Herren, Patrice Bujard
-
Patent number: 6436538Abstract: The invention relates to a collection of composite plateletlike particles comprising a core and at least one coating layer consisting essentially of a compound having from 60 to 95% by weight of carbon and from 5 to 25% by weight of nitrogen, the balance to 100% being selected from elements of the group consisting of hydrogen, oxygen and sulfur. The invention also relates to processes for the manufacture thereof, to polymer compositions containing it, and to the use thereof as effect pigments.Type: GrantFiled: August 13, 1999Date of Patent: August 20, 2002Assignee: Ciba Specialty Chemicals CorporationInventors: Ryuichi Takahashi, Adrian Schulthess, Kimiya Takeshita, Fritz Herren, Patrice Bujard
-
Publication number: 20020046585Abstract: A waste of asbestos-containing inorganic building materials is reacted and burnt at a temperature in a range of 600° C. to 1,500° C. to obtain a recycled silicic acid type fertilizer with decomposed asbestos. Thus, the asbestos contained in the inorganic building material waste, which is said to be harmful to the health, is decomposed and recycled as the silicic acid type fertilizer.Type: ApplicationFiled: August 2, 2001Publication date: April 25, 2002Applicant: IG-Technical Research Inc.Inventors: Takashi Ishikawa, Ryuichi Takahashi
-
Publication number: 20020027316Abstract: Building material wastes containing harmful asbestos and inorganic wastes are subjected to sintering reaction treatment to obtain asbestos-free products which are provided for recycling of waste materials. The asbestos containing building materials inorganic wastes are crushed to be mixed such that the mixture is subjected to a sintering step at a temperature of 600° C. through 1500° C. to allow the same to react thereto, thus obtaining sintered reaction products which is asbestos-free and non-hazardous. The inorganic wastes includes incineration ash from sewerage sludge which has so far used for reclamation purpose only. Sherd, glass wastes or the like can also mixed therewith for sintering reaction to obtain non-hazardous permeable blocks, thus contribution to establishing recycling systems. The method of producing such asbestos-free non-hazardous products are also provided.Type: ApplicationFiled: June 12, 2001Publication date: March 7, 2002Inventors: Takashi Ishikawa, Ryuichi Takahashi
-
Patent number: 5855660Abstract: The invention relates to a pigment comprising(a) a flat core and(b) at least one coating consisting of at least two different substances that is applied to the surface of the core,whereinthe coating (b) has a substantially continuously variable composition in the axis lying perpendicular to its surface, andthe refractive indices of the coating (b) at the surface facing the core (a) and at the surface remote from the core (a) are different.An outer coating (c) may additionally have been applied to the coating (b). The pigment may be embedded in a high molecular weight organic material, the refractive index of the coating (b) at its surface that is remote from the core (a) and the refractive index of the high molecular weight organic material being different. Preferred embodiments relate to specific refractive index ranges and differences.Type: GrantFiled: April 22, 1998Date of Patent: January 5, 1999Assignee: Ciba Specialty Chemicals CorporationInventors: Patrice Bujard, Natacha Bonnard, Ryuichi Takahashi