Patents by Inventor Osamu Takai
Osamu Takai 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: 20150241775Abstract: A self-assembled monolayer is formed, as a resist, from a mixture of nonafluorohexyltrimethoxysilane and trifluoropropyltrimethoxysilane on a substrate constituted by an aluminum material. A zincate treatment is carried out on the substrate.Type: ApplicationFiled: November 8, 2013Publication date: August 27, 2015Applicants: NATIONAL UNIVERSITY CORPORATION NAGOYA UNIVERSITY, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takeshi Bessho, Nagahiro Saito, Osamu Takai, Satoshi Takata
-
Patent number: 7951584Abstract: Disclosed is a method for producing a biological organic material in a liquid droplet comprising a culture medium composed of specified ingredient. The method comprises the steps of: providing a substantially spherical liquid droplet on a substrate in an unadhered state, the substrate preferably having such a water-repellent surface that the water contact angle becomes 150° or greater; and culturing a biological organic material in the liquid droplet.Type: GrantFiled: March 29, 2006Date of Patent: May 31, 2011Assignee: National University Corporation Nagoya UniversityInventors: Nagahiro Saito, Osamu Takai, Yunying Wu, Hiroyuki Honda, Akira Ito
-
Patent number: 7883865Abstract: A base plate for use in cell culture which comprises a base material, a water-repellent layer having a water-repellent surface formed on the above base material and a hydrophilic surface having a prescribed pattern formed on the base material; a method for producing the above base plate; and a method for producing a cell culture product using the base plate. It is preferred that the water-repellent surface has a water contact angle of more than 150°. The above method for producing a cell culture product using the base plate base plate is a novel method which allows the production of a cell culture product of a fine pattern.Type: GrantFiled: September 8, 2005Date of Patent: February 8, 2011Assignee: National University Corporation Nagoya UniversityInventors: Nagahiro Saito, Osamu Takai, Yunying Wu, Hiroyuki Honda, Akira Ito
-
Patent number: 7800807Abstract: An electrochromic mirror includes an electrochromic film, an electrically conductive reflective film formed at one thickness direction side of the electrochromic film, an electrically conductive film provided at one thickness direction side of the electrochromic film and at a side of the electrically conductive reflective film that is opposite from the electrochromic film, an electrolytic solution containing lithium ions and enclosed between the electrically conductive reflective film and the electrically conductive film, and a reduction reaction compensation unit. In the electrolytic solution, due to applying a voltage such that the electrically conductive film is made positive and electrically conductive reflective film is made negative, the lithium ions move toward the side of the electrochromic film and are provided to a reduction reaction of the electrochromic film. The reduction reaction compensation unit compensates the reduction reaction.Type: GrantFiled: June 23, 2008Date of Patent: September 21, 2010Assignees: Kabushiki Kaisha Tokai-Rika-Denki-Seisakusho, National University Corporation Nagoya UniversityInventors: Junichi Nakaho, Masaharu Hattori, Atsushi Yamaguchi, Nagahiro Saito, Takahiro Ishizaki, Osamu Takai
-
Patent number: 7692843Abstract: An electrochromic mirror includes an electrically conductive reflective film capable of reflecting light that is incident thereto and having electrical conductivity in which plural fine penetration holes are formed, an electrochromic film that is provided at a side of the electrically conductive reflective film at which the light is incident and reflected, an electrically conductive film that is provided at a side of the electrically conductive reflective film that is opposite from the electrochromic film, and an electrolytic solution that contains lithium ions and is enclosed between the electrically conductive film and the electrically conductive reflective film. The plural penetration holes formed in the electrically conductive reflective film penetrate in a thickness direction thereof, and a ratio between a distance between respective centers of the penetration holes and an inner peripheral diameter dimension of the penetration holes is 7 or more.Type: GrantFiled: June 23, 2008Date of Patent: April 6, 2010Assignees: Kabushiki Kaisha Tokai-Rika-Denki-Seisakusho, National University Corporation Nagoya UniversityInventors: Junichi Nakaho, Masaharu Hattori, Atsushi Yamaguchi, Nagahiro Saito, Takahiro Ishizaki, Osamu Takai
-
Patent number: 7643201Abstract: An electrochromic mirror includes a transparent electrode film, an electrochromic film formed at one thickness direction side of the transparent electrode film, a light reflective film that reflects light that has transmitted through the transparent electrode film and the electrochromic film, a lithium ion transmissive film provided between the electrochromic film and the light reflective film, an electrically conductive film provided at the one thickness direction side of the transparent electrode film and at a side of the light reflective film opposite from the lithium ion transmissive film, and an electrolytic solution that comprises lithium ions and is enclosed between the light reflective film and the electrically conductive film. The lithium ion transmissive film transmits lithium ions and imposed diffusion of silver from the side of the light reflective film to the side of the electrochromic film.Type: GrantFiled: June 23, 2008Date of Patent: January 5, 2010Assignees: Kabushiki Kaisha Tokai-Rika-Denki-Seisakusho, National University Corporation Nagoya UniversityInventors: Junichi Nakaho, Masaharu Hattori, Atsushi Yamaguchi, Nagahiro Saito, Takahiro Ishizaki, Osamu Takai
-
Publication number: 20090197333Abstract: Disclosed is a method for producing a biological organic material in a liquid droplet comprising a culture medium composed of specified ingredient. The method comprises the steps of: providing a substantially spherical liquid droplet on a substrate in an unadhered state, the substrate preferably having such a water-repellent surface that the water contact angle becomes 150° or greater; and culturing a biological organic material in the liquid droplet.Type: ApplicationFiled: March 29, 2006Publication date: August 6, 2009Applicant: NATIONAL UNIVERSITY CORPORATION NAGOYA UNIVERSITYInventors: Nagahiro Saito, Osamu Takai, Yunying Wu, Hiroyuki Honda, Akira Ito
-
Publication number: 20090002800Abstract: An electrochromic mirror includes an electrochromic film, an electrically conductive reflective film formed at one thickness direction side of the electrochromic film, an electrically conductive film provided at one thickness direction side of the electrochromic film and at a side of the electrically conductive reflective film that is opposite from the electrochromic film, an electrolytic solution containing lithium ions and enclosed between the electrically conductive reflective film and the electrically conductive film, and a reduction reaction compensation unit. In the electrolytic solution, due to applying a voltage such that the electrically conductive film is made positive and electrically conductive reflective film is made negative, the lithium ions move toward the side of the electrochromic film and are provided to a reduction reaction of the electrochromic film. The reduction reaction compensation unit compensates the reduction reaction.Type: ApplicationFiled: June 23, 2008Publication date: January 1, 2009Applicant: KABUSHIKI KAISHA TOKAI-RIKA-DENKI-SEISAKUBUSHOInventors: Junichi NAKAHO, Masaharu Hattori, Atsushi Yamaguchi, Nagahiro Saito, Takahiro Ishizaki, Osamu Takai
-
Publication number: 20090002801Abstract: An electrochromic mirror includes a transparent electrode film, an electrochromic film formed at one thickness direction side of the transparent electrode film, a light reflective film that reflects light that has transmitted through the transparent electrode film and the electrochromic film, a lithium ion transmissive film provided between the electrochromic film and the light reflective film, an electrically conductive film provided at the one thickness direction side of the transparent electrode film and at a side of the light reflective film opposite from the lithium ion transmissive film, and an electrolytic solution that comprises lithium ions and is enclosed between the light reflective film and the electrically conductive film. The lithium ion transmissive film transmits lithium ions and imposed diffusion of silver from the side of the light reflective film to the side of the electrochromic film.Type: ApplicationFiled: June 23, 2008Publication date: January 1, 2009Applicants: KABUSHIKI KAISHA TOKAI-RIKA-DENKI SEISAKUSHO, 260, TOYOTA 3-CHOME, National University Corporation Nagoya UniversityInventors: Junichi NAKAHO, Masaharu Hattori, Atsushi Yamaguchi, Nagahiro Saito, Takahiro Ishizaki, Osamu Takai
-
Publication number: 20090002799Abstract: An electrochromic mirror includes an electrically conductive reflective film capable of reflecting light that is incident thereto and having electrical conductivity in which plural fine penetration holes are formed, an electrochromic film that is provided at a side of the electrically conductive reflective film at which the light is incident and reflected, an electrically conductive film that is provided at a side of the electrically conductive reflective film that is opposite from the electrochromic film, and an electrolytic solution that contains lithium ions and is enclosed between the electrically conductive film and the electrically conductive reflective film. The plural penetration holes formed in the electrically conductive reflective film penetrate in a thickness direction thereof, and a ratio between a distance between respective centers of the penetration holes and an inner peripheral diameter dimension of the penetration holes is 7 or more.Type: ApplicationFiled: June 23, 2008Publication date: January 1, 2009Applicants: KABUSHIKI KAISHA TOKAI-RIKA-DENKI-SEISAKUSHO, National University Corporation Nagoya UniversityInventors: Junichi NAKAHO, Masaharu Hattori, Atsushi Yamaguchi, Nagahiro Saito, Takahiro Ishizaki, Osamu Takai
-
Publication number: 20080032403Abstract: A base plate for use in cell culture which comprises a base material, a water-repellent layer having a water-repellent surface formed on the above base material and a hydrophilic surface having a prescribed pattern formed on the base material; a method for producing the above base plate; and a method for producing a cell culture product using the base plate. It is preferred that the water-repellent surface has a water contact angle of more than 150°. The above method for producing a cell culture product using the base plate base plate is a novel method which allows the production of a cell culture product of a fine pattern.Type: ApplicationFiled: September 8, 2005Publication date: February 7, 2008Applicant: NATIONAL UNIVERSITY CORPORATION NAGOYA UNIVERSITYInventors: Nagahiro Saito, Osamu Takai, Yunying Wu, Hiroyuki Honda, Akira Ito
-
Patent number: 7229748Abstract: An organic monomolecular film is formed on a first substrate, and micro processed using photolithography technique to form an organic monomolecular film pattern. Then, a thin film is selectively grown on the organic monomolecular film pattern, and transcribed onto a second substrate to form a micro pattern made of the thin film on the second substrate.Type: GrantFiled: July 29, 2004Date of Patent: June 12, 2007Assignee: National University Corporation Nagoya UniversityInventors: Hiroyuki Sugimura, Nagahiro Saito, Osamu Takai
-
Patent number: 7078517Abstract: It is intended to provide a method of reusing a DNA-immobilization substrate whereby the expensive DNA-immobilization substrate can be efficiently utilized and a reusable DNA-immobilization substrate having the same performance as a new product without any trouble in practical use can be provided. Namely, a method of reusing a DNA-immobilization substrate characterized in that, to remove DNA from a DNA-immobilization substrate carrying the DNA immobilized by an acid-amide bond via an oligonucleotide to thereby enable the immobilization of a fresh DNA, the acid-amide bond between the substrate and the DNA is hydrolyzed with an acid or an alkali.Type: GrantFiled: December 17, 2001Date of Patent: July 18, 2006Assignees: Toyo Kohan Co., LTD, Nihon Parrkerizing Hiroshima Co., LTDInventors: Kojiro Takahashi, Osamu Takai, Michifumi Tanga
-
Patent number: 7074515Abstract: Making a larger difference in water activity between electrodes elevates an output voltage of an electrochemical element. The electrochemical element includes a solid electrolyte membrane 5 made of a solid electrolyte and possessing a hydrogen ion conductivity, a first electrode 6 formed on one side of the solid electrolyte membrane 5 and functioning as a catalyst and possessing a hydrophilic property, and a second electrode 7 formed on the other side of the solid electrolyte membrane 5 and functioning as a catalyst and possessing a water-repellent property.Type: GrantFiled: August 6, 2002Date of Patent: July 11, 2006Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Shiro Yamauchi, Minoru Kimura, Hirokazu Terauchi, Osamu Takai, Goro Yamauchi
-
Patent number: 7029881Abstract: Method and apparatus for constructing a cDNA library by hybridizing mRNA with oligo (dT) on a support and treating with a reverse transcriptase to immobilized complementary DNA, or for constructing a gDNA library by ligating a double-stranded chromosomal DNA library with an oligonucleotide on a support having a restriction enzyme site and then immobilizing the gDNA library.Type: GrantFiled: May 10, 2000Date of Patent: April 18, 2006Assignees: Nihon Parkerizing Hiroshima Co., Ltd., Toyo Kohan Co., Ltd.Inventors: Kojiro Takahashi, Osamu Takai, Michifumi Tanga
-
Publication number: 20050058951Abstract: An organic monomolecular film is formed on a first substrate, and micro processed using photolithography technique to form an organic mono-molecular film pattern. Then, a thin film is selectively grown on the organic monomolecular film pattern, and transcribed onto a second substrate to form a micro pattern made of the thin film on the second substrate.Type: ApplicationFiled: July 29, 2004Publication date: March 17, 2005Applicant: NATIONAL UNIVERSITY CORPORATION NAGOYA UNIVERSITYInventors: Hiroyuki Sugimura, Nagahiro Saito, Osamu Takai
-
Publication number: 20040092005Abstract: It is intended to provide a method of reusing a DNA-immobilization substrate whereby the expensive DNA-immobilization substrate can be efficiently utilized and a reusable DNA-immobilization substrate having the same performance as a new product without any trouble in practical use can be provided. Namely, a method of reusing a DNA-immobilization substrate characterized in that, to remove DNA from a DNA-immobilization substrate carrying the DNA immobilized by an acid-amide bond via an oligonucleotide to thereby enable the immobilization of a fresh DNA, the acid-amide bond between the substrate and the DNA is hydrolyzed with an acid or an alkali.Type: ApplicationFiled: December 9, 2003Publication date: May 13, 2004Inventors: Kojiro Takahashi, Osamu Takai, Michifumi Tanga
-
Patent number: 6645571Abstract: A process for producing the ceramic porous body comprising the steps of (1) forming micelles in liquid by mixing {circle around (1)} surfactant molecules, {circle around (2)} surfactant molecules and given organic molecules, or {circle around (3)} different kinds of surfactant molecules, (2) forming a precursor of a ceramic porous body having an organic-inorganic structure is formed through mixing a ceramic material or a precursor of the ceramic material into the liquid containing the micelles, the precursor of the ceramic porous body comprising a template having the micelles arranged in a hexagonal, cubic or lamella form and the ceramic material or the ceramic material precursor adsorbed around the micelles, (3) removing the surfactant molecules or the surfactant molecules and the given organic molecules in the precursor of the ceramic porous body by photo-oxidation through irradiating vacuum ultraviolet light upon the precursor to leave an inorganic skeleton alone, and (4) thereby forming the ceramic porousType: GrantFiled: September 8, 2000Date of Patent: November 11, 2003Assignee: Nagoya UniversityInventors: Osamu Takai, Hiroyuki Sugimura, Atsushi Hozumi
-
Publication number: 20030044671Abstract: Making a larger difference in water activity between electrodes elevates an output voltage of an electrochemical element. The electrochemical element includes a solid electrolyte membrane 5 made of a solid electrolyte and possessing a hydrogen ion conductivity, a first electrode 6 formed on one side of the solid electrolyte membrane 5 and functioning as a catalyst and possessing a hydrophilic property, and a second electrode 7 formed on the other side of the solid electrolyte membrane 5 and functioning as a catalyst and possessing a water-repellent property.Type: ApplicationFiled: August 6, 2002Publication date: March 6, 2003Applicant: MITSUBISHI DENKI KABUSHIKI KAISHA, Osamu Takai and Goro YamauchiInventors: Shiro Yamauchi, Minoru Kimura, Hirokazu Terauchi, Osamu Takai, Goro Yamauchi
-
Publication number: 20030031833Abstract: A water-repellent film is disclosed, which includes a first film portion possessing a number of fine pores having aspect ratios of not less than 0.1, and a second hydrophobic film portion on said first film portion.Type: ApplicationFiled: June 12, 2002Publication date: February 13, 2003Inventors: Hiroyuki Sugimura, Osamu Takai