Patents by Inventor Kazuhito Saito
Kazuhito Saito 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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Publication number: 20090242510Abstract: A photoelectric coupling assembly and manufacturing method thereof enabling a three dimensional electrical wiring pattern is provided. The assembly includes a photoelectric conversion unit equipped with a photoelectric conversion element and a molded article. The molded article has a hole configured and arranged to have an optical fiber inserted there-through such that a distal end of the fiber faces an active layer of the conversion element, a front surface on which the conversion unit is mounted, and a side surface being contiguous to the front surface. The lead being insert molded into the molded article has a first surface being exposed at the front surface and electrically connected to the conversion element, a second surface being exposed at the side surface, and an engaging portion having a width increasing in a direction away from the front surface. At least a portion of the engaging portion is contained inside the resin forming the molded article.Type: ApplicationFiled: May 22, 2009Publication date: October 1, 2009Applicant: Sumitomo Electric Industries, Ltd.Inventors: Wataru SAKURAI, Kazuhito SAITO
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Publication number: 20090110353Abstract: A method of producing an optical connecting component in which three-dimensional electric wiring can be easily and accurately performed, and the optical connecting component are provided. A positioning projection 58 disposed on a second slide core 56 for positioning a core pin 54 disposed on a first slide core 55 is fitted in a positioning hole 34 disposed in a lead frame 30. The lead frame 30 is disposed in the vicinity of a lead pattern 31, so that the lead pattern 31 can be insert-molded while being positioned in an accurate position with respect to the second slide core 56. Therefore, it is possible to easily perform three-dimensional electric wiring in an accurate position.Type: ApplicationFiled: March 8, 2007Publication date: April 30, 2009Inventors: Wataru Sakurai, Kazuhito Saito, Tomomi Sano
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Patent number: 7510648Abstract: The invention provides an optimum method for utilizing a desulfurizing agent for liquid hydrocarbons which can efficiently remove sulfur content from kerosene without performing addition of hydrogen to a low sulfur concentration and which has a prolonged lifetime. The invention provides a desulfurization method which includes removing sulfur content from kerosene by use of a metallic desulfurizing agent without performing addition of hydrogen, characterized in that the method employs desulfurization conditions satisfying the following formula (1): 1.06×Pope0.44<Tope/T50<1.78×Pope0.22??(1) (wherein Tope is operation temperature (° C.); Pope is operation pressure (MPa); and T50 is a temperature per 50 percent recovered as determined by “test method for distillation at atmospheric pressure” stipulated in JIS K2254 “Petroleum products—Determination of distillation characteristics as revised in 1998”).Type: GrantFiled: July 22, 2003Date of Patent: March 31, 2009Assignee: Idemitsu Kosan Co., Ltd.Inventors: Tadashi Kisen, Hiroto Matsumoto, Hisashi Katsuno, Kazuhito Saito
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Publication number: 20090075131Abstract: The invention provides a desulfurizing agent which attains effective removal of sulfur from a hydrocarbon feedstock and/or an oxygen-containing hydrocarbon feedstock so as to attain a considerably low sulfur level and which has a long service life; a process for producing hydrogen for fuel cells, which process includes steam-reforming, partial-oxidation-reforming, or autothermal-reforming of a hydrocarbon feedstock and/or an oxygen-containing hydrocarbon feedstock which has been desulfurized by use of the desulfurizing agent; a fuel cell system employing hydrogen produced through the process. The desulfurizing agent for removing a sulfur compound from a hydrocarbon feedstock and/or an oxygen-containing hydrocarbon feedstock, the agent containing nickel, or a combination of nickel and copper, and silicon, and having a bulk density of 0.95 to 2.0 g/cm3, a pore volume of 0.10 to 0.40 mL/g, a micropore surface area of 100 to 250 m2/g, and an external surface area of 100 m2/g or less.Type: ApplicationFiled: March 20, 2006Publication date: March 19, 2009Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Hisashi Katsuno, Kazuhito Saito
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Publication number: 20090024238Abstract: A substrate processing apparatus includes a display unit having an operation screen, a first control section that transmits a control instruction for processing a substrate and a second control section that performs control according to the control instruction from the first control section. The first control section has a screen file that stores screen data in which the first row is settable as item data for a data number, a data name or the like, a parameter file that stores parameter data corresponding to the item data at least, and a display control section that displays the monitor screen by executing the screen file and placing the screen data on the operation screen as a monitor screen and executing the parameter file, searching through the parameter file based on the data number and placing the parameter data corresponding to the item data.Type: ApplicationFiled: March 13, 2007Publication date: January 22, 2009Applicant: HITACHI KOKUSAI ELECTRIC INC.Inventors: Masako Sueyoshi, Kazuhito Saito
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Publication number: 20080267567Abstract: An optical splicer 2 according to an embodiment of the present invention has a plurality of optical fibers 6, and an optical splice member 8 having a plurality of fiber holes 14 in each of which a portion including one end 6a of each fiber 6 is inserted, and a mode field diameter W1 in one end 6a of optical fiber 6 is enlarged relative to a mode field diameter W2 in the other portion of optical fiber 6.Type: ApplicationFiled: October 31, 2007Publication date: October 30, 2008Applicant: Sumitomo Electric Industries, Ltd.Inventors: Kazuhito Saito, Mitsuaki Tamura, Maki Ikeji, Hiroshi Kohda, Eiichiro Yamada
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Patent number: 7401983Abstract: After a wiring plate 30 having a plurality of leads 31 been insert-molded to an edge face 21 of a molded article 20, unwanted portions of the wiring plate 30 are cut, thereby enabling easy three-dimensional wiring. As a result, an electrode terminal section 43 of a photoelectric conversion element 41 disposed opposite an end face 11b of an optical fiber 11 can be electrically coupled to an electrical wiring section 23 of an optical coupling part 10.Type: GrantFiled: December 19, 2006Date of Patent: July 22, 2008Assignees: Sumitomo Electric Industries, Ltd., Kabushiki Kaisha ToshibaInventors: Wataru Sakurai, Kazuhito Saito, Hideo Numata, Chiaki Takubo, Hideto Furuyama, Hiroshi Hamasaki
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Publication number: 20080107381Abstract: An optical connector according to an embodiment of the present invention comprises (a) a ferrule incorporating a short fiber; (b) a mechanical splice having a holding part and a fixing part, and adapted so that the fixing part mechanically fixes the short fiber extending from the ferrule held by the holding part, and an optical fiber in an optical cable to butt the short fiber; (c) an outer housing having a housing part in which the mechanical splice is located, and a pair of flexible arms located on both sides of the housing part, the pair of arms each being provided with a locking claw at a tip; and (d) a jacket fixture for fixing a cable jacket, the jacket fixture being coupled to the mechanical splice so that the cable jacket is inserted therein.Type: ApplicationFiled: September 19, 2005Publication date: May 8, 2008Inventors: Daizo Nishioka, Kenichiro Ohtsuka, Kazuhito Saito, Yoshikyo Tamekuni, Yukihiro Yokomachi, Tunetaka Ema, Kenichi Nakazawa, Yasuhiko Hoshino
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Patent number: 7364369Abstract: When a resin 59 to form a molded body 20 is poured and a lead frame 30 is attached to a front end face 21 of the molded body 20 by insert molding, protective leads 32 provided on both outsides of a lead pattern 31 of the lead frame 30 moderate the flow of the resin 59 and the force acting on the lead pattern 31 is decreased, so that misregistration of the lead pattern 31 can be prevented. Accordingly, the inserted and molded lead frame 30 can be wired on the front end face 21 of the molded body 20 for easily accomplishing three-dimensional electric wiring.Type: GrantFiled: February 28, 2007Date of Patent: April 29, 2008Assignees: Sumitomo Electric Industries, Ltd., Kabushiki Kaisha ToshibaInventors: Wataru Sakurai, Kazuhito Saito, Hideo Numata, Chiaki Takubo, Hideto Furuyama, Hiroshi Hamasaki
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Publication number: 20080095505Abstract: A photoelectric coupling assembly and manufacturing method thereof enabling a three dimensional electrical wiring pattern is provided. The assembly includes a photoelectric conversion unit equipped with a photoelectric conversion element and a molded article. The molded article has a hole configured and arranged to have an optical fiber inserted there-through such that a distal end of the fiber faces an active layer of the conversion element, a front surface on which the conversion unit is mounted, and a side surface being contiguous to the front surface. The lead being insert molded into the molded article has a first surface being exposed at the front surface and electrically connected to the conversion element, a second surface being exposed at the side surface, and an engaging portion having a width increasing in a direction away from the front surface. At least a portion of the engaging portion is contained inside the resin forming the molded article.Type: ApplicationFiled: October 3, 2007Publication date: April 24, 2008Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Wataru SAKURAI, Kazuhito SAITO
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Publication number: 20080090115Abstract: To provide a desulfurizing agent which can efficiently desulfurize a liquid fuel containing organic sulfur compounds at 80° C. or lower so as to attain a considerably low sulfur content, so that hydrogen can be produced from the desulfurized fuel through steam reforming, autothermal reforming, or partial-oxidation reforming, and that poisoning of a reforming catalyst employed in the reforming processes can be prevented. The desulfurizing agent for hydrocarbon compounds, including a porous carrier and Ag supported on the carrier, wherein the amount of Ag supported on the carrier is 0.5 to 50 mass %, and the ratio of amount by mole of nitrogen contained in the agent to amount by mole of Ag is 10 to 100%.Type: ApplicationFiled: December 20, 2005Publication date: April 17, 2008Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Kazuhito Saito, Toshimasa Utaka, Chiaki Takizawa
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Publication number: 20070212001Abstract: When a resin 59 to form a molded body 20 is poured and a lead frame 30 is attached to a front end face 21 of the molded body 20 by insert molding, protective leads 32 provided on both outsides of a lead pattern 31 of the lead frame 30 moderate the flow of the resin 59 and the force acting on the lead pattern 31 is decreased, so that misregistration of the lead pattern 31 can be prevented. Accordingly, the inserted and molded lead frame 30 can be wired on the front end face 21 of the molded body 20 for easily accomplishing three-dimensional electric wiring.Type: ApplicationFiled: February 28, 2007Publication date: September 13, 2007Inventors: Wataru Sakurai, Kazuhito Saito, Hideo Numata, Chiaki Takubo, Hideto Furuyama, Hiroshi Hamasaki
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Patent number: 7268097Abstract: A desulfurizing agent comprising a silica-alumina carrier having an Si/Al mole ratio of 10 or less and nickel carried thereon; a desulfurizing agent for hydrocarbons derived from petroleum which comprises a carrier and a metal component carried thereon and has a specific surface area of pores having a pore diameter of 3 nm or less of 100 m2/g or more; an Ni-Cu based desulfurizing agent comprising a carrier and, carried thereon, (A) nickel, (B) copper, and (C) an alkali metal or another metal; a desulfurizing agent for hydrocarbons derived from petroleum which comprises a carrier and a metal component carried thereon and has a hydrogen adsorption capacity of 0.4 mmol/g or more; and methods for producing these nickel-based and nickel-copper-based desulfurizing agents. The above desulfurizing agents are capable of adsorbing and removing with good efficiency the sulfur contained in hydrocarbons derived from petroleum to a content of 0.2 wt. ppm or less and have a long service life.Type: GrantFiled: April 2, 2001Date of Patent: September 11, 2007Assignee: Idemitsu Kosan Co., Ltd.Inventors: Hisashi Katsuno, Satoshi Matsuda, Kazuhito Saito, Masahiro Yoshinaka
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Publication number: 20070165986Abstract: After a wiring plate 30 having a plurality of leads 31 been insert-molded to an edge face 21 of a molded article 20, unwanted portions of the wiring plate 30 are cut, thereby enabling easy three-dimensional wiring. As a result, an electrode terminal section 43 of a photoelectric conversion element 41 disposed opposite an end face 11b of an optical fiber 11 can be electrically coupled to an electrical wiring section 23 of an optical coupling part 10.Type: ApplicationFiled: December 19, 2006Publication date: July 19, 2007Inventors: Wataru Sakurai, Kazuhito Saito, Hideo Numata, Chiaki Takubo, Hideto Furuyama, Hiroshi Hamasaki
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Publication number: 20070086723Abstract: An optical backplane includes an optical connector which receives juxtaposed optical signals transmitted in nonparallel to the main surface of a circuit substrate from the circuit substrate or transmits juxtaposed optical signals in nonparallel to the main surface of the circuit substrate to the circuit substrate. The optical connector disposes and accommodates edge portions of a plurality of optical fibers and the disposing direction of the optical fibers in the optical connector is in nonparallel to the main surface of the circuit substrate.Type: ApplicationFiled: October 5, 2006Publication date: April 19, 2007Inventors: Junichi Sasaki, Kazuhiko Kurata, Shuji Suzuki, Kazuhito Saito, Hiroshi Masuda, Osamu Ibaragi, Masao Kinoshita
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Publication number: 20070003185Abstract: An optical fiber sheet comprises optical fibers sandwiched between sheet members and fixed thereto. Distal ends of the optical fibers extend from outer peripheral edges of the sheet members with resin coatings applied to the distal ends to produce extensions. The distal ends of the extensions are inserted into fiber holes of connectors with the resin coatings applied to the distal ends to be connected with the connectors.Type: ApplicationFiled: May 17, 2006Publication date: January 4, 2007Inventors: Kazuhito Saito, Masaki Ohmura, Masao Kinoshita, Hiroshi Masuda, Shuji Suzuki, Osamu Ibaragi
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Patent number: 7142771Abstract: A method of and an apparatus for expanding the mode field diameter of an optical fiber by heating a specified region of the optical fiber with a uniform or desired temperature distribution for forming a thermally-diffused expanded core (TEC). The mode field diameter of the optical fiber is expanded by heating an optical fiber 1 with a burner 11 so as to thermally diffuse the dopant forming the refractive-index profile. The burner 11 has a heating surface 11a in which a plurality of gas-issuing holes 12 are arranged such that a plurality of parallel rows each of which is composed of a plurality of gas-issuing holes 12 are parallel to the axis of the optical fiber 1.Type: GrantFiled: March 10, 2003Date of Patent: November 28, 2006Assignee: Sumitomo Electric Industries, Ltd.Inventors: Eiichiro Yamada, Kazuhito Saito, Mitsuaki Tamura
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Publication number: 20060257079Abstract: The present invention relates to an optical connector and an optical connector assembling method allowing simplification of assembly, improvement of reliability, and lower prices. The optical connector comprises a connector plug for holding a coated optical fiber and a connector socket for holding a coated optical fiber. The connector plug has a fiber holding portion disposed in a plug housing, and a fiber inserting hole is provided in the fiber holding portion. A fiber deflection space for allowing deflection of the coated optical fiber, when the coated optical fibers are butted, is provided in the plug housing. The connector socket has a fiber holding portion disposed in a socket housing, and a fiber inserting hole is provided in the fiber holding portion. A fiber deflection space for allowing deflection of the coated optical fiber, when the coated optical fibers are butted, is provided in the socket housing.Type: ApplicationFiled: April 14, 2006Publication date: November 16, 2006Inventors: Kenichiro Ohtsuka, Kazuhito Saito, Wataru Sakurai, Masaki Ohmura, Yuko Masunaga
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Publication number: 20060131215Abstract: The invention provides an optimum method for utilizing a desulfurizing agent for liquid hydrocarbons which can efficiently remove sulfur content from kerosene without performing addition of hydrogen to a low sulfur concentration and which has a prolonged lifetime. The invention provides a desulfurization method which includes removing sulfur content from kerosene by use of a metallic desulfurizing agent without performing addition of hydrogen, characterized in that the method employs desulfurization conditions satisfying the following formula (1): 1.06×Pope0.44<Tope/T50<1.78×Pope0.22??(1) (wherein Tope is operation temperature (° C.); Pope is operation pressure (MPa); and T50 is a temperature per 50 percent recovered as determined by “test method for distillation at atmospheric pressure” stipulated in JIS K2254 “Petroleum products—Determination of distillation characteristics”).Type: ApplicationFiled: July 22, 2003Publication date: June 22, 2006Applicant: Idemitsu Kosan Co., Ltd.Inventors: Tadashi Kisen, Hiroto Matsumoto, Hisashi Katsuno, Kazuhito Saito
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Patent number: 7021842Abstract: In an optical fiber array, an optical fiber, a bundle of optical fibers or an optical fiber ribbon is mounted on an array substrate with a V-groove or V-grooves. A bare fiber portion in which a fiber coating is removed is placed in the V-groove, pressed by a presser member 6 and bonded by adhesives. At the front end, the fiber(s) is/are accurately positioned to connect to optical components or PLCs. The bare fiber portion contains a spliced portion of the dissimilar optical fibers having different mode field diameters and a mode field converting portion. The spliced portion of the dissimilar optical fibers is mounted on the array substrate. A flexible protection member is provided in the fiber coating portion extending over a rear edge of the array substrate. The optical fiber is bonded onto the array substrate, employing three kinds of adhesives that are different in the Young's modulus after hardening and the viscosity before hardening.Type: GrantFiled: August 19, 2002Date of Patent: April 4, 2006Assignee: Sumitomo Electric Industries, Ltd.Inventors: Eiichiro Yamada, Kazuhito Saito, Mitsuaki Tamura