Patents by Inventor Hiroshi Mukai
Hiroshi Mukai 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: 7472847Abstract: For achieving a fluidic device, being able to be made small in sizes, comprising a fluid inflow opening 1, a connector duct 2, and a fluid jet nozzle, wherein the connector duct 2 is constructed with curves, and is further constructed with two (2) pieces of flow passages, being symmetric on both sides. Constructing the connector duct with the curves reduces resistance of fluid within the duct, and further dividing the connector duct into two (2) parts in both side enhances the flows at confluent point in the duct (increase of the flow velocity).Type: GrantFiled: December 17, 2003Date of Patent: January 6, 2009Assignee: Hitachi Industrial Equipment System Co.Inventors: Hiroshi Mukai, Keiichi Honma, Takeshi Honda, Tetsuo Kimiya
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Publication number: 20090002879Abstract: A sickle-shaped disk drive spoiler for reducing turbulence of airflow in a hard disk drive is provided. The sickle-shaped spoiler includes a body portion for directing airflow generated by a rotating disk, the rotating disk comprising an inner diameter and an outer diameter and wherein the body portion of the spoiler directs airflow away from the outer diameter of the disk and wherein the body portion is curved to substantially mirror the outer diameter of the disk. The sickle-shaped spoiler also includes a first end portion for gradually directing airflow away from the body portion and towards the inner diameter and a second end portion for gradually directing airflow towards the body portion and towards the inner diameter.Type: ApplicationFiled: June 28, 2007Publication date: January 1, 2009Inventors: Yukinobu Abe, Andre S. Chan, Ferdinand Hendriks, Masato Ikegawa, Hiroshi Mukai, Keiichi Takemori
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Patent number: 7457078Abstract: Embodiments of the invention reduce disk fluttering while ensuring good assemblability in a magnetic disk apparatus. A magnetic disk apparatus comprises a recording disk that is an information medium configured by one or plural disks; a motor causing the recording disk to rotate; a carriage supporting a head that records information to, or plays back information from, the recording disk; a casing housing the recording disk; and a shroud disposed surrounding an outer periphery of the recording disk. A groove that extends along the recording disk is formed, vertically asymmetrical with respect to an outer peripheral surface of the recording disk, in the shroud surface at a position where a corner portion formed by the outer peripheral surface and a top surface or bottom surface of the recording disk extends in a radial direction.Type: GrantFiled: September 9, 2005Date of Patent: November 25, 2008Assignee: Hitachi Global Storage Technologies Netherlands B.V.Inventors: Masashi Fukaya, Yoshiyuki Hirono, Masato Ikegawa, Hiroshi Mukai
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Publication number: 20080152828Abstract: An inkjet recording method for printing by ejecting droplets of a water-based ink composition onto a recording medium having a recording surface which is a plastic film and by causing the droplets to adhere to the recording surface, including: using, as the water-based ink composition, a water-based ink composition including at least colorant, between 0.1 wt % and 1.5 wt % of a silicon-based surfactant, alkanediol, pyrrolidone derivative, thermoplastic resin, and water; and heating the water-based ink composition that has adhered to the recording surface to a temperature of 40° C. or higher.Type: ApplicationFiled: December 21, 2007Publication date: June 26, 2008Applicant: SEIKO EPSON CORPORATIONInventors: Hiroshi MUKAI, Katsuko AOKI
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Publication number: 20080152877Abstract: A recording method for printing on a plastic film surface of a print medium by ejecting droplets of a water-based ink composition onto the plastic film surface includes applying a water-based ink composition on the plastic film surface, and heating the water-based ink composition on the plastic film surface to a temperature of 40° C. or more. The water-based ink composition contains a coloring agent, 0.1% to 1.5% by weight of a silicone surfactant, an acetylene glycol surfactant, a pyrrolidone derivative, a thermoplastic resin, and water.Type: ApplicationFiled: December 19, 2007Publication date: June 26, 2008Applicant: Seiko Epson CorporationInventors: Hiroshi Mukai, Katsuko Aoki
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Publication number: 20080152825Abstract: This invention provides a treatment liquid for an ink jet recording medium having a recording face of a plastic film, wherein the treatment liquid including at least a specific cyclic ester compound or a specific cyclic amide compound, a primer liquid for printing, and an ink composition. According to the present invention, a plastic recorded matter possessing excellent adhesion and waterfastness can be formed on a recording medium having a recording face of a plastic film.Type: ApplicationFiled: March 31, 2006Publication date: June 26, 2008Inventors: Hiroshi Mukai, Kiyohiko Takemoto
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Patent number: 7348099Abstract: A nonaqueous secondary electrolytic battery comprising an electricity-generating element formed by spirally winding a laminate of a positive electrode plate, a separating material and a negative electrode plate, and an electrolytic solution with which the separating material, if it is a separator, is impregnated. The electricity-generating element is sealed in a battery case formed by a resin-laminated sheet comprising a metal layer as a barrier layer. Only a pair of lead terminals are drawn to the exterior of the battery case. The resin sheet comprises an oriented resin layer laminated on both surfaces of the metal layer. The inner heat-fused layers are opposed and heat-fused to each other. A molten and solidified resin mass is formed protruding from the inner end of the welded portion toward the inner space of the battery by 0.1 mm or more. Alternatively, the welded portion is formed thinner at the outer end thereof than at the inner end thereof.Type: GrantFiled: October 26, 2006Date of Patent: March 25, 2008Assignee: GS Yuasa CorporationInventors: Hiroshi Mukai, Tetsuya Murai, Shinya Kitano, Mikio Okada, Hiroshi Nakahara, Mikito Nagata, Hiroyuki Yumoto
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Publication number: 20080043369Abstract: Embodiments of the present invention prevent a magnetic disk drive from increasing in size and in manufacturing cost and reduces a positioning error of a magnetic head. An embodiment of a magnetic disk drive in accordance with the present invention includes: a disk-shaped magnetic disk that is rotated and driven; a magnetic head that reads and writes information to and from the magnetic disk, an arm that supports and moves the magnetic head; a spoiler that is close to a disk surface and extends in a radial direction of the disk; and a cabinet that houses these parts. The spoiler is disposed closer to an upstream side in a rotational direction of the disk than the arm and has a flow rate suppressing clearance positioned in a central portion in a peripheral direction of the spoiler, opened to both sides in an axial direction, and formed in a shape elongated in a radial direction of the disk.Type: ApplicationFiled: June 4, 2007Publication date: February 21, 2008Applicant: Hitachi Global Storage Technologies Netherlands B.V.Inventors: Keiichi Takemori, Masato Ikegawa, Hiroshi Mukai, Hiroyuki Ishii, Yukinobu Abe
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Patent number: 7267904Abstract: A nonaqueous secondary electrolytic battery comprising an electricity-generating element formed by spirally winding a laminate of a positive electrode plate, a separating material and a negative electrode plate, and an electrolytic solution with which the separating material, if it is a separator, is impregnated. The electricity-generating element is sealed in a battery case formed by a resin-laminated sheet comprising a metal layer as a barrier layer. Only a pair of lead terminals are drawn to the exterior of the battery case. The resin sheet comprises an oriented resin layer laminated on both surfaces of the metal layer. The inner heat-fused layers are opposed and heat-fused to each other. A molten and solidified resin mass is formed protruding from the inner end of the welded portion toward the inner space of the battery by 0.1 mm or more. Alternatively, the welded portion is formed thinner at the outer end thereof than at the inner end thereof.Type: GrantFiled: November 14, 2003Date of Patent: September 11, 2007Assignee: GS Yuasa CorporationInventors: Shigeo Komatsu, Hiroshi Mukai, Tetsuya Murai, Shinya Kitano, Mikio Okada, Hiroshi Nakahara, Mikito Nagata, Hiroyuki Yumoto
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Publication number: 20070075464Abstract: An in-die cover forming method for integrally forming a cover member with a surface of a base member in a die is provided. The die including an upper die half and a lower die half. The upper die halves are movable relative to each other. The base member is set on the lower die half such that its back is opposed to the lower die half. Using position determining mechanisms located between the lower die half and the back of the base member, the position of the surface of the base member in relation to the lower die half in the die moving direction is determined. The cover member is placed between the base member and the upper die half. The cover member is integrated with the surface of the base member by closing the upper die half with respect to the lower die half while pressing the cover member against the base member through vacuuming.Type: ApplicationFiled: July 25, 2006Publication date: April 5, 2007Applicant: TOYODA GOSEI CO., LTD.Inventors: Kenichi Furuta, Tokimasa Ito, Hiroshi Mukai, Kazumichi Shigeno
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Publication number: 20070059596Abstract: A nonaqueous secondary electrolytic battery comprising an electricity-generating element formed by spirally winding a laminate of a positive electrode plate, a separating material and a negative electrode plate, and an electrolytic solution with which the separating material, if it is a separator, is impregnated. The electricity-generating element is sealed in a battery case formed by a resin-laminated sheet comprising a metal layer as a barrier layer. Only a pair of lead terminals are drawn to the exterior of the battery case. The resin sheet comprises an oriented resin layer laminated on both surfaces of the metal layer. The inner heat-fused layers are opposed and heat-fused to each other. A molten and solidified resin mass is formed protruding from the inner end of the welded portion toward the inner space of the battery by 0.1 mm or more. Alternatively, the welded portion is formed thinner at the outer end thereof than at the inner end thereof.Type: ApplicationFiled: October 26, 2006Publication date: March 15, 2007Applicant: GS YUASA CORPORATIONInventors: Hiroshi MUKAI, Tetsuya MURAI, Shinya KITANO, Mikio OKADA, Hiroshi NAKAHARA, Mikito NAGATA, Hiroyuki YUMOTO
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Publication number: 20060205337Abstract: An air shower for removing a particle from an object by blowing air to the object which includes at least one first outlet for discharging the air from the at least one first outlet toward at least a portion of the object so that a flow axis of the air flowing out of the at least one first outlet is swung frequently and alternately in a first swingable direction, and at least one second outlet for discharging the air from the at least one second outlet so that a flow axis of the air flowing out of the at least one second outlet is swung frequently and alternately in a second swingable direction which is different from the first swingable direction. The first swingable direction and the second swingable direction extend so as to be non-parallel to one another and to intersect one another.Type: ApplicationFiled: May 10, 2006Publication date: September 14, 2006Inventors: Takeshi Honda, Yoko Shimizu, Hiroshi Matsuda, Hiroshi Mukai
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Patent number: 7097944Abstract: A nonaqueous secondary cell including the following elements: a positive electrode capable of absorbing and releasing lithium; a negative electrode capable of absorbing and releasing lithium; and a nonaqueous electrolyte including a nonaqueoous solvent and a lithium salt dissolved therein wherein the electrolyte contains a vinyl ethylene carbonate compound represented by the general formula (1) wherein R1, R2, R3, R4, R5, and R6 represent each independently a hydrogen atom or an alkyl group having from 1 to 4 carbon atoms, and furthermore contains at least a compound selected from the group consisting of vinylene carbonate, a cyclic sulfonic acid ester or a cyclic sulfuric acid ester, and an acid anhydride.Type: GrantFiled: July 11, 2002Date of Patent: August 29, 2006Assignee: GS Yuasa CorporationInventors: Tetsuya Murai, Hiroshi Mukai
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Patent number: 7052389Abstract: An air shower for removing a particle from an object by blowing air to the object which includes at least one first outlet for discharging the air from the at least one first outlet toward at least a portion of the object so that a flow axis of the air flowing out of the at least one first outlet is swung frequently and alternately in a first swingable direction, and at least one second outlet for discharging the air from the at least one second outlet so that a flow axis of the air flowing out of the at least one second outlet is swung frequently and alternately in a second swingable direction which is different from the first swingable direction. The first swingable direction and the second swingable direction extend so as to be non-parallel to one another and to intersect one another.Type: GrantFiled: March 10, 2005Date of Patent: May 30, 2006Assignees: Hitachi, Ltd., Hitachi Industrial Equipment Systems Co., Ltd.Inventors: Takeshi Honda, Yoko Shimizu, Hiroshi Matsuda, Hiroshi Mukai
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Patent number: 7048626Abstract: An air shower for removing a particle from an object by blowing an air to the object. The air shower includes an outlet for discharging the air from the outlet toward the object so that a flow axis of the air flowing out of the outlet is swung frequently and alternately, and an inner wall which extends from an outer periphery of the outlet in a radial direction of the outlet.Type: GrantFiled: June 23, 2004Date of Patent: May 23, 2006Assignees: Hitachi, Ltd., Hitachi Industrial Equipment Systems Co., Ltd.Inventors: Takeshi Honda, Yoko Shimizu, Hiroshi Matsuda, Hiroshi Mukai
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Publication number: 20060066010Abstract: A mold having a molding cavity and a plurality of gates for injecting molding material into the cavity is prepared. The mold has a leakage suppressing portion for suppressing leakage of the molding material to a clearance of the mold. The gates include gates of different distances from the leakage suppressing portion. As the molding material, a material the fluidity of which is a spiral flow length of 20 to 70 cm is prepared. The injection pressure of the molding material from the gates of the different distances from the leakage suppression portion is equalized. The gate that is farther from the leakage suppressing portion is caused to first start injecting the molding material into the molding cavity.Type: ApplicationFiled: September 20, 2005Publication date: March 30, 2006Applicant: TOYODA GOSEI CO., LTD.Inventors: Shigehiro Ueno, Hiroshi Mukai, Kazumichi Shigeno, Koichi Ueno, Yoshiaki Shichida, Katsutoshi Mizuno
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Publication number: 20060056107Abstract: Embodiments of the invention reduce disk fluttering while ensuring good assemblability in a magnetic disk apparatus. In one embodiment, a magnetic disk apparatus comprises a recording disk that is an information medium configured by one or plural disks; a motor causing the recording disk to rotate; a carriage supporting a head that records information to, or plays back information from, the recording disk; a casing housing the recording disk; and a shroud disposed surrounding an outer periphery of the recording disk. A groove that extends along the recording disk is formed, vertically asymmetrical with respect to an outer peripheral surface of the recording disk, in the shroud surface at a position where a corner portion formed by the outer peripheral surface and a top surface or bottom surface of the recording disk extends in a radial direction.Type: ApplicationFiled: September 9, 2005Publication date: March 16, 2006Applicant: Hitachi Global Storage Technologies Netherlands B.V.Inventors: Masashi Fukaya, Yoshiyuki Hirono, Masato Ikegawa, Hiroshi Mukai
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Patent number: 6960128Abstract: In an air shower apparatus, an inlet duct guides the air so that the air is directed along a first flow axis of the air, and a variable condition area communicates fluidly with the air flowing out from the inlet duct at at least one side in a direction perpendicular to the first flow axis, to generate a fluctuation at the variable condition area in at least one of a pressure to be applied to the air flowing out from the inlet duct at the variable condition area and a mass flow rate of a supplemental air to be applied from the variable condition area onto the air flowing out of the inlet duct in a fluctuating direction oblique to the first flow axis so that a second flow axis of the air passing the variable condition area is frequently deflected from the first flow axis by the fluctuation.Type: GrantFiled: March 7, 2003Date of Patent: November 1, 2005Assignees: Hitachi, Ltd., Hitachi Industrial Equipment Systems Co., Ltd.Inventors: Takeshi Honda, Yoko Shimizu, Hiroshi Matsuda, Hiroshi Mukai
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Publication number: 20050159100Abstract: An air shower for removing a particle from an object by blowing air to the object which includes at least one first outlet for discharging the air from the at least one first outlet toward at least a portion of the object so that a flow axis of the air flowing out of the at least one first outlet is swung frequently and alternately in a first swingable direction, and at least one second outlet for discharging the air from the at least one second outlet so that a flow axis of the air flowing out of the at least one second outlet is swung frequently and alternately in a second swingable direction which is different from the first swingable direction. The first swingable direction and the second swingable direction extend so as to be non-parallel to one another and to intersect one another.Type: ApplicationFiled: March 10, 2005Publication date: July 21, 2005Inventors: Takeshi Honda, Yoko Shimizu, Hiroshi Matsuda, Hiroshi Mukai
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Patent number: D587646Type: GrantFiled: January 29, 2008Date of Patent: March 3, 2009Assignee: GS Yuasa CorporationInventors: Osamu Ushijima, Hideki Masuda, Takahiro Shizuki, Yoshitaka Ishida, Junya Ueda, Hiroshi Mukai, Takuji Uchibori, Noriyoshi Munenaga