Patents by Inventor Takehiko Ito
Takehiko Ito 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).
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Patent number: 6302716Abstract: A rotatable connector in which a moving body provided with first and second openings are rotatably arranged within a storage section defined between a stationary housing having an outer cylindrical wall and a movable housing having an inner cylindrical wall; and the width W1 of the first opening and the width W2 of the second opening are set as W1<W2. The first and second flat cables with both ends thereof fixed on the peripheral surfaces of the outer cylindrical wall and the inner cylindrical wall are wound within the storage section. The turned-back portions of the flat cables are routed through the first and second openings, with the inner end of the first flat cable directly wound around the peripheral surface of the inner cylindrical portion and with the inner end of the second flat cable also wound on the inner cylindrical portion through about one turn of the flat cable, thereby changing the winding diameter of the flat cables in relation to the inner cylindrical portion.Type: GrantFiled: July 10, 1998Date of Patent: October 16, 2001Assignee: Alps Electric Co., Ltd.Inventors: Mitsunori Matsumoto, Hiroyuki Bannai, Takehiko Ito, Nobuo Matsuzaki
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Patent number: 6240993Abstract: A method of making a power transmission belt/belt sleeve, which method includes the step of providing a first mold assembly having a central axis and a circumference, providing a sheet material having first and second oppositely facing surfaces, placing the sheet material around the first mold assembly and causing a contoured portion of the first surface to be keyed to the first mold assembly so that the sheet material is in a predetermined circumferential position relative to the first mold assembly, providing a second mold assembly having a contoured surface, placing the contoured surface of the second mold assembly against the second surface of the sheet material, providing a guide element, operatively connecting the guide element between the first and second mold assemblies so that the guide element maintains the second mold assembly in a predetermined circumferential position relative to the first mold assembly, and forming the second surface of the sheet material through the contoured surface of the secType: GrantFiled: January 18, 1999Date of Patent: June 5, 2001Assignee: Mitsuboshi Belting Ltd.Inventors: Yoshiaki Onaka, Takehiko Ito, Toshihiro Ueda, Yuji Yamamoto
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Patent number: 5985329Abstract: A coated product in the form of solid particles of a food or pharmaceutical wherein the particles are each coated with a water-soluble hemicellulose. The water-soluble hemicellulose has a viscosity in the range of from 50 to 1,000 mPa.multidot.s at 25.degree. C. when dissolved in water in an amount of 10% by weight and has a reducing sugar content of 5% by weight or less and an amino acid content, as measured by assay with 2,4,6-trinitrobenezene sulfonic acid, of 1.0% by weight or less.Type: GrantFiled: September 4, 1996Date of Patent: November 16, 1999Assignees: Freund Industrial Co., Ltd., Fuji Oil Co., Ltd.Inventors: Masanori Ogawa, Takehiko Ito, Chikako Ishigai, Hirokazu Maeda, Hitoshi Furuta, Mitsuo Hattori
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Patent number: 5888330Abstract: A method of making a power transmission belt/belt sleeve, which method includes the step of providing a first mold assembly having a central axis and a circumference, providing a sheet material having first and second oppositely facing surfaces, placing the sheet material around the first mold assembly and causing a contoured portion of the first surface to be keyed to the first mold assembly so that the sheet material is in a predetermined circumferential position relative to the first mold assembly, providing a second mold assembly having a contoured surface, placing the contoured surface of the second mold assembly against the second surface of the sheet material, providing a guide element, operatively connecting the guide element between the first and second mold assemblies so that the guide element maintains the second mold assembly in a predetermined circumferential position relative to the first mold assembly, and forming the second surface of the sheet material through the contoured surface of the secType: GrantFiled: April 22, 1997Date of Patent: March 30, 1999Assignee: Mitsuboshi Beltin Ltd.Inventors: Yoshiaki Onaka, Takehiko Ito, Toshihiro Ueda, Yuji Yamamoto
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Patent number: 5882216Abstract: A rotary connector including a moving member (5) provided with first and second openings (14, 15) which is disposed in a holding space (10) formed between a fixed housing (1) having an upper case (6) and a movable housing (2) having a lower case (7) such that the moving member coaxially rotates with the movable housing (2) relative to the fixed housing (1). A width (W.sub.1) of the first opening (14) is made smaller than a width (W.sub.2) of the second opening (15) (i.e., W.sub.1 <W.sub.2). First and second flat cables (3, 4) are wound in the holding space (10) and have both ends thereof respectively fixed to the peripheral surfaces of the upper case (6) and the lower case (7), and reversal portions (3a, 4a) of the flat cables (3, 4) are passed through the first opening (14) and the second opening (15).Type: GrantFiled: July 8, 1997Date of Patent: March 16, 1999Assignee: Alps Electric Co., Ltd.Inventors: Mitsunori Matsumoto, Hiroyuki Bannai, Takehiko Ito
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Patent number: 5860883Abstract: A power transmission belt has a body with a) a cushion rubber layer and b) a compression rubber layer disposed on the cushion rubber layer. The cushion rubber layer has load carrying cords embedded therein and a first rubber composition including a hydrogenated nitrile rubber, an unsaturated carboxylic acid metal salt, silica, and inorganic peroxide. The compression rubber layer has a second rubber composition including a hydrogenated nitrile rubber, an unsaturated carboxylic acid metal salt, and an organic peroxide.Type: GrantFiled: April 25, 1997Date of Patent: January 19, 1999Assignee: Mitsuboshi Belting Ltd.Inventors: Hiroshi Jonen, Yoshiaki Onaka, Takehiko Ito, Hideaki Kawano, Yukitoshi Kanai
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Patent number: 5853679Abstract: A process for removing nitrogen oxide from exhaust is disclosed, comprising contacting exhaust containing nitrogen oxide with an alumina catalyst which contains not more than 0.5% by weight of an alkali metal and/or an alkaline earth metal and has a total pore volume of from 0.48 to 1.2 cm.sup.3 .multidot.g.sup.-1 with 0.26 to 0.6 cm.sup.3 .multidot.g.sup.-1 of the total pore volume being formed of pores of not greater than 80 .ANG. or has a volume of pores formed of pores of not greater than 60 .ANG. of from 0.06 to 0.2 cm.sup.3 .multidot.g.sup.-l and which may have supported thereon tin in an oxidative atmosphere containing excess oxygen in the presence of a hydrocarbon or an oxygen-containing organic compound.Type: GrantFiled: October 17, 1996Date of Patent: December 29, 1998Assignees: Japan as Represented by Director General of Agency of Industrial Science and Technology, Petroleum Energy Center, Cosmo Oil Co., Ltd., Sakai Chemical Industry Co., Ltd.Inventors: Mitsunori Tabata, Masaaki Kawatsuki, Katsumi Miyamoto, Hiroshi Tsuchida, Tomohiro Yoshinari, Kazushi Usui, Fujio Suganuma, Tadao Nakatsuji, Hiromitsu Shimizu, Ritsu Yasukawa, Hideaki Hamada, Takehiko Ito, Yoshiaki Kintaichi, Motoi Sasaki
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Patent number: 5669777Abstract: A rotary connector which prevents separation of a resilient tongue from a flexible cable so as to prevent buckling. The rotary connector includes first and second housings rotatably connected together and forming an annular space therebetween. A flexible cable and a movable member are received in the annular space. The movable member includes a turntable having a stationary cylinder and a reversing roller, the stationary cylinder including a guide projection. The flexible cable is wound in opposite directions on opposite sides of the movable member and includes a U-shaped reverse portion extending through a gap between the stationary cylinder and the reversing roller. A resilient tongue having a free end portion substantially formed in a linear shape in an unloaded condition is affixed to an inner surface of the flexible cable and to an inner cylinder portion of the second housing.Type: GrantFiled: February 21, 1996Date of Patent: September 23, 1997Assignee: Alps Electric Co., Ltd.Inventors: Mitsunori Matsumoto, Hiroyuki Bannai, Takehiko Ito
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Patent number: 5380692Abstract: A catalyst for catalytic reduction of nitrogen oxide using at least one reducing agent selected from the group consisting of a hydrocarbon and an oxygen-containing organic compound is described, which includes an oxide represented by formula (V):A.sup.5.sub.x B.sup.3.sub.3-x C.sup.4.sub.3 O.sub.7 (V)wherein A.sup.5 represents at least one element selected from the group consisting of La, Y, Ce, Pr, Nd, Sm, Eu, and Gd; B.sup.3 represents at least one element selected from the group consisting of Ba, Sr, Ca, Mg, Pb, Zn, and Ag; C.sup.4 represents at least one element selected from the group consisting of Mn, Co, Fe, Ni, Cr, Cu, V, Mo, W, Ti, Zr, Nb, Pd, Rh, Ru, and Pt; and x is a number of from 0 to 1, supported on a solid acid carrier.Type: GrantFiled: September 11, 1992Date of Patent: January 10, 1995Assignees: Sakai Chemical Industry Co., Ltd., Agency of Industrial Science and Technology, Petroleum Energy Center, Cosmo Oil Co., Ltd.Inventors: Tadao Nakatsuji, Hiromitsu Shimizu, Ritsu Yasukawa, Fujio Suganuma, Akihiro Kitazume, Hiroshi Tsuchida, Takehiko Ito, Hideaki Hamada, Katsumi Miyamoto, Masaaki Kawatsuki, Yoshiaki Kintaichi, Motoi Sasaki, Mitsunori Tabata
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Patent number: 5336476Abstract: A process for reducing nitrogen oxides to nitrogen from exhaust gases is disclosed, which involves bringing an exhaust gas containing nitrogen oxides into contact with at least one catalyst from proton-type zeolites, zeolites of an alkali metal exchanged form and acidic metal oxides, by reaction with a hydrocarbon or an oxygen-containing organic compound in an oxidizing atmosphere containing excess oxygen. A process which further involves bringing the exhaust gas into contact with an oxidizing catalyst subsequent to the above process.Type: GrantFiled: October 27, 1992Date of Patent: August 9, 1994Assignees: Agency of Industrial Science and Technology, Cosmo Research InstituteInventors: Yoshiaki Kintaichi, Hideaki Hamada, Takehiko Ito, Motoi Sasaki, Mitsunori Tabata, Kazushi Usui
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Patent number: 5227145Abstract: A process for removing nitrogen oxides from an exhaust gas by bringing the exhaust gas containing nitrogen oxides into contact with at least one catalyst selected from a polyvalent metal phosphate, a polyvalent metal sulfate or an aluminate of a transition metal of the 4th period of the Periodic Table in an oxidizing atmosphere containing excess oxygen and in the presence of a hydrocarbon or an oxygen containing organic compound. There is also disclosed a process for removing nitrogen oxides from an exhaust gas which comprises bringing the exhaust gas into contact with the above catalyst and then with an oxidation catalyst.Type: GrantFiled: December 31, 1991Date of Patent: July 13, 1993Assignees: Agency of Industrial Science and Technology, Petroleum Energy Center, Cosmo Oil Co., Ltd., Sakai Chemical Industry Co., Ltd.Inventors: Yoshiaki Kintaichi, Hideaki Hamada, Takehiko Ito, Motoi Sasaki, Fujio Suganuma, Mitsunori Tabata, Akihiro Kitazume, Kazushi Usui, Tadao Nakatsuji, Hiromitsu Shimizu
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Patent number: 4610937Abstract: Zn-Ni-alloy electroplating of steel sheets is carried out using a plating bath containing 10-40 g/l zinc, 15-160 g/l nickel, 0.1-5 g/l cobalt and 0.2-10 g/l titanium and 0.1-5 g/l aluminum or 0.1-5 g/l magnesium existing in the form of salts, the pH of which is 1.5-2.5. The obtained plated product exhibits improved excellent corrosion resistance and corrosion peeling resistance. The product can be subjected to heating to 60.degree.-200.degree. C., preferably in hot water, steam, or atomized water mist. This treatment further increases corrosion resistance.Type: GrantFiled: November 28, 1983Date of Patent: September 9, 1986Assignee: Nisshin Steel CompanyInventors: Takehiko Ito, Taisuke Irie, Yoshitaka Nakagawa, Koichi Watanabe
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Patent number: 4505760Abstract: A process for the partial hot dipping of a long steel strip is disclosed which comprises forming an oxidation-inhibiting film, oxygen-impermeable and thermally stable in a hot-dipping bath, which film is produced by the chemical reaction of an iron content in the steel strip with an oxidation inhibiting film-forming agent, such as an inorganic phosphoric acid compound, on a predetermined area of the steel strip surface, forming, as required, an intermediate layer comprising an inorganic binder, such as water glass, on the resulting film, forming a carbon-containing, plateing-stopping film as a top coat on the intermediate layer, and hot dipping the steel strip.Type: GrantFiled: December 16, 1982Date of Patent: March 19, 1985Assignees: Hitachi, Ltd., Nisshin Steel Co., Ltd.Inventors: Masahiko Itoh, Heihatiro Midorikawa, Akira Minato, Mituru Kubo, Takehiko Ito, Kiichiro Katayama
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Patent number: 4237192Abstract: This invention relates to a zinc plated steel plate, at least one side surface of which is substantially free from oxides and coated with an anti-rust film, and a can produced from said zinc plated steel plate having an interlocking seam joint bonded by soldering techniques.Type: GrantFiled: January 30, 1979Date of Patent: December 2, 1980Assignee: Nisshin Steel Co., Ltd.Inventors: Takehiko Ito, Yusuke Hirose, Hideaki Ishida
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Patent number: 4064437Abstract: Highly reliable measurement of degree of alloying of galvannealed steel sheets is carried out in order to fully control the continuous hot-dip galvanizing and galvannealing process on the basis of evaluation of a combination of two or more X-ray diffraction characteristics. Exact degree of alloying can be estimated without regard to fluctuations in the particulars of the material, the process conditions and the type of the product obtained.Type: GrantFiled: August 2, 1976Date of Patent: December 20, 1977Assignee: Nisshin Steel Co., Ltd.Inventors: Yusuke Hirose, Fumihiro Ida, Takehiko Ito
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Patent number: 3963162Abstract: A method of soldering stainless steel pipes by using soft solders, which comprises the steps of preparing a pipe joint having a diametral clearance of from 0.05 to 1.00 mm, filling said clearance with paste solder, heating said pipe joint to melt said paste solder, and feeding additional soft solder into said clearance immediately after said paste solder is molten by said heating. Particularly, the paste solder comprises from 20 to 80% by weight of powder solder and from 20 to 80% by weight of a flux composition comprising a mixture of from 5 to 50% by weight of phosphoric acid (H.sub.3 PO.sub.4) and from 95 to 50% by weight of ammonium dihydrogenphosphate (NH.sub.4 H.sub.2 PO.sub.4) dissolved or suspended in a vehicle.Type: GrantFiled: July 15, 1974Date of Patent: June 15, 1976Assignees: Senju Metal Industry Co. Ltd., Nisshin Steel Co., Ltd.Inventors: Toshihiko Taguchi, Takehiko Ito