Patents by Inventor Shinichi Fujino
Shinichi Fujino 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: 6720389Abstract: In a production process for a water-absorbent resin, comprising the steps of: blending a liquid material and a water-absorbent resin; and heating the resultant mixture in order to produce a modified water-absorbent resin, the present invention is to provide: a method for uniformly and efficiently treating a water-absorbent resin favorably in view of industry, and as a result, a good-balanced water-absorbent resin having various excellent properties, such absorption capacity without a load, absorption capacity under a load, and single-layer absorption capacity under a load in contact with an aqueous liquid. The production process comprises the step of spray-blending a water-absorbent resin (A) and a liquid material (B) with a blending apparatus equipped with a spray nozzle (C), wherein the liquid material (B) is sprayed from the spray nozzle (C) and its spray pattern is a circular and hollow cone shape or a double-convex-lens and elliptic cone shape.Type: GrantFiled: September 5, 2001Date of Patent: April 13, 2004Assignee: Nippon Shokubai Co., Ltd.Inventors: Takumi Hatsuda, Yoshio Irie, Masatoshi Nakamura, Katsuyuki Wada, Shinichi Fujino, Kazuki Kimura, Kunihiko Ishizaki
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Publication number: 20030224163Abstract: The present invention provides: a production process for a particulate water-absorbent resin with high productivity, which production process is carried out in such a manner that the particulate water-absorbent resin will contain particles with particle diameters of 150 to 850 &mgr;m (but excluding 850 &mgr;m) in an amount of not smaller than 75 weight % of the particulate water-absorbent resin after the pulverization step or after the pulverization step and the drying step even if the adjustment of the particle diameters is not carried out by the sieving classification procedure; a novel particulate water-absorbent resin having high properties; and a sanitary material comprising this particulate water-absorbent resin.Type: ApplicationFiled: May 23, 2003Publication date: December 4, 2003Inventors: Yorimichi Dairoku, Yoshio Irie, Kenji Tada, Shinichi Fujino, Makoto Nagasawa
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Patent number: 6618278Abstract: In an electric power conversion/inversion apparatus, including, such as an inverter therein, for obtaining reduction in circuit inductance and wiring resistance therein by bringing small as a whole, having good installability and high reliability and efficiency of electric power conversion, as well, semiconductor chips 1 are disposed, being put between a positive input bus bar 14p and a negative input bus bar 14n and plural output bus bars 18 at crossing positions thereof, and are connected electrically and thermally, to the positive input bus bar 14p in a pole direction consistent therewith while to the negative input bus bar 14n in a pole direction consistent therewith, and further to the common output bus bars 18 in pole directions being different from side by side.Type: GrantFiled: March 19, 2001Date of Patent: September 9, 2003Assignee: Hitachi, Ltd.Inventors: Osamu Suzuki, Shinji Shirakawa, Akira Mishima, Toshiyuki Innami, Shinichi Fujino, Hideaki Mori, Kenji Takahashi, Keiichi Mashino, Hiromichi Anan
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Patent number: 6576713Abstract: The present invention provides a production process for a water-absorbent resin powder which is excellent in particle diameter distribution and properties, wherein the production process not only inhibits adhesion and aggregation in the production steps, but also is excellent in energy efficiency, drying efficiency, and productivity.Type: GrantFiled: February 22, 2001Date of Patent: June 10, 2003Assignee: Nippon Shokubai Co., Ltd.Inventors: Kunihiko Ishizaki, Teruyuki Kanto, Nobuyuki Harada, Takumi Hatsuda, Shinichi Fujino
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Publication number: 20020195286Abstract: A positive side conductor and a negative side conductor of an input terminal electrically connected to semiconductor elements, are electrically insulated from each other, and are laminated with each other, and the input terminal having such a laminated structure, an output terminal and substrates mounted thereon the semiconductor elements are arranged in a checkered pattern in a container. Further, the semiconductor elements mounted on the substrates, the input terminal and the output terminal are electrically connected to one another so as to obtain a loop-like electric path on a conductive member, thereby it is possible to aim at miniaturizing the power conversion apparatus and lowering the inductance thereof.Type: ApplicationFiled: December 21, 2001Publication date: December 26, 2002Inventors: Shinji Shirakawa, Akira Mishima, Keiichi Mashino, Toshiyuki Innami, Shinichi Fujino, Hiromichi Anan, Yoshitaka Ochiai
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Patent number: 6469080Abstract: The present invention provides a water-absorbent resin composition which contains an aminoacetic chelating agent and is excellent in the urine resistance, wherein the water-absorbent resin composition is excellent further in the light resistance and becomes little colored and might have deodorizability. A water-absorbent resin composition, which comprises a water-absorbent resin and an aminoacetic chelating agent, wherein the mixing ratio of the aminoacetic chelating agent in the water-absorbent resin composition is not less than 10 ppm of the water-absorbent resin, and wherein the total content of nitrilotriacetic acid and its salt in the water-absorbent resin composition is not more than 1 ppm of the water-absorbent resin composition.Type: GrantFiled: December 12, 2000Date of Patent: October 22, 2002Assignee: Nippon Shokubai Co., Ltd.Inventors: Koji Miyake, Shinichi Fujino, Masatoshi Nakamura, Katsuyuki Wada
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Patent number: 6401689Abstract: In an electric throttle-control apparatus for controlling an open position of a throttle valve 6 connected to reduction gears 47 to reduce rotational speed of the motor 4, by driving a motor 4 which includes a commutator 32 with a plurality of slots 44, and brushes 31 and 31′, the number of the slots in the commutator and the arrangement of brushes on the slots are set such that even and odd number slot states appear alternately in an electrical equivalent-circuit of a wire-connection among slots including the brushes while the motor rotates. Further, if the number of the slots 44 is the odd number 9, 11, or 13, the brushes 31 and 31′ are arranged in a 180° opposed placement, and if the number of the slots 44 is the even number 10 or 12, the brushes 31 and 31′ are arranged in a non-opposed placement shifted from a 180° opposed placement.Type: GrantFiled: June 30, 2000Date of Patent: June 11, 2002Assignees: Hitachi, Ltd., Hitachi Car Engineering Co., Ltd.Inventors: Masaru Ito, Shinichi Fujino, Hisaya Shimizu, Yoshinori Fukasaku, Masahiro Hiruta, Takashi Yokoyama
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Publication number: 20020061978Abstract: In a production process for a water-absorbent resin, comprising the steps of: blending a liquid material and a water-absorbent resin; and heating the resultant mixture in order to produce a modified water-absorbent resin, the present invention is to provide: a method for uniformly and efficiently treating a water-absorbent resin favorably in view of industry, and as a result, a good-balanced water-absorbent resin having various excellent properties, such absorption capacity without a load, absorption capacity under a load, and single-layer absorption capacity under a load in contact with an aqueous liquid. The production process comprises the step of spray-blending a water-absorbent resin (A) and a liquid material (B) with a blending apparatus equipped with a spray nozzle (C), wherein the liquid material (B) is sprayed from the spray nozzle (C) and its spray pattern is a circular and hollow cone shape or a double-convex-lens and elliptic cone shape.Type: ApplicationFiled: September 5, 2001Publication date: May 23, 2002Inventors: Takumi Hatsuda, Yoshio Irie, Masatoshi Nakamura, Katsuyuki Wada, Shinichi Fujino, Kazuki Kimura, Kunihiko Ishizaki
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Publication number: 20020040095Abstract: The present invention provides a production process by which a water-absorbent resin of excellent quality can be obtained at a low cost by reasonable steps in aqueous solution polymerization. The process for producing a water-absorbent resin comprises the step of polymerizing an aqueous solution of water-absorbent resin-forming monomers including acrylic acid and/or its sodium salt as major components, wherein: (1) the aqueous solution has a monomer component concentration of not less than 45 weight %; (2) the polymerization is carried out while water is evaporated so that the ratio (concentration ratio) between a solid component concentration in a hydropolymer as formed by the polymerization and a solid component concentration in the aqueous monomer solution will not be less than 1.10; and (3) the solid component concentration in the hydropolymer as formed by the polymerization is not more than 80 weight %.Type: ApplicationFiled: July 31, 2001Publication date: April 4, 2002Inventors: Yorimichi Dairoku, Yoshio Irie, Shinichi Fujino, Yasuhiro Fujita, Takashi Azumi, Kunihiko Ishizaki
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Publication number: 20020034087Abstract: In an electric power conversion/inversion apparatus, including, such as an inverter therein, for obtaining reduction in circuit inductance and wiring resistance therein by bringing small as a whole, having good installability and high reliability and efficiency of electric power conversion, as well, semiconductor chips 1 are disposed, being put between a positive input bus bar 14p and a negative input bus bar 14n and plural output bus bars 18 at crossing positions thereof, and are connected electrically and thermally, to the positive input bus bar 14p in a pole direction consistent therewith while to the negative input bus bar 14n in a pole direction consistent therewith, and further to the common output bus bars 18 in pole directions being different from side by side.Type: ApplicationFiled: March 19, 2001Publication date: March 21, 2002Inventors: Osamu Suzuki, Shinji Shirakawa, Akira Mishima, Toshiyuki Innami, Shinichi Fujino, Hideaki Mori, Kenji Takahashi, Keiichi Mashino, Hiromichi Anan
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Publication number: 20010053807Abstract: The present invention provides a water-absorbent resin composition which contains an aminoacetic chelating agent and is excellent in the urine resistance, wherein the water-absorbent resin composition is excellent further in the light resistance and becomes little colored and might have deodorizability. A water-absorbent resin composition, which comprises a water-absorbent resin and an aminoacetic chelating agent, wherein the mixing ratio of the aminoacetic chelating agent in the water-absorbent resin composition is not less than 10 ppm of the water-absorbent resin, and wherein the total content of nitrilotriacetic acid and its salt in the water-absorbent resin composition is not more than 1 ppm of the water-absorbent resin composition.Type: ApplicationFiled: December 12, 2000Publication date: December 20, 2001Inventors: Koji Miyake, Shinichi Fujino, Masatoshi Nakamura, Katsuyuki Wada
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Patent number: 6297319Abstract: The present invention provides: a process for producing a water-absorbing agent by using a crosslinking agent of high safety, wherein the water-absorbing agent is excellent in the absorption capacities under no load and under a load and further in the blocking ratio under a load, and can display excellent absorption properties even if the weight percentage of the water-absorbent resin (resin concentration) is high when the water-absorbent resin is used for materials such as sanitary materials; and such a water-absorbing agent. The water-absorbent resin is mixed and treated with an oxazoline compound, wherein the oxazoline compound has at least three structural units of general formula (1) below: wherein R1˜R4 separately denote a hydrogen atom, an alkyl group, an aromatic group, a halogen group, a substituted alkyl group, or a substituted aromatic group.Type: GrantFiled: November 2, 1999Date of Patent: October 2, 2001Assignee: Nippon Shokubai Co., Ltd.Inventors: Kinya Nagasuna, Shinichi Fujino, Masatoshi Nakamura, Kunihiko Ishizaki
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Publication number: 20010025093Abstract: The present invention provides a production process for a water-absorbent resin powder which is excellent in particle diameter distribution and properties, wherein the production process not only inhibits adhesion and aggregation in the production steps, but also is excellent in energy efficiency, drying efficiency, and productivity.Type: ApplicationFiled: February 22, 2001Publication date: September 27, 2001Inventors: Kunihiko Ishizaki, Teruyuki Kanto, Nobuyuki Harada, Takumi Hatsuda, Shinichi Fujino
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Patent number: 6265488Abstract: The invention provides a process for producing a water-absorbing agent by using a crosslinking agent of high molecular weight, wherein the water-absorbing agent is excellent with good balance in respect to the absorption capacities under no load and under a heavy load and can display excellent absorption properties even if the weight percentage of the water-absorbent resin (resin concentration) is high when the water-absorbent resin is used for materials such as hygienic products.Type: GrantFiled: February 21, 1999Date of Patent: July 24, 2001Assignee: Nippon Shokubai Co., Ltd.Inventors: Shinichi Fujino, Masatoshi Nakamura, Kinya Nagasuna
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Patent number: 5583740Abstract: A solid electrolytic capacitor is provided which comprises a capacitor element and a safety fuse. The anode of the capacitor element is electrically connected to an anode lead, whereas the cathode of the capacitor element is electrically connected to a cathode lead through the safety fuse. A resin package encloses the capacitor element, the fuse, a part of the anode lead, and a part of the cathode lead. The resin package has a recess which is formed with a port extending toward the fuse. An elastic closure member is fitted in the recess of the resin package to close the port.Type: GrantFiled: August 28, 1995Date of Patent: December 10, 1996Assignee: Rohm Co., Ltd.Inventor: Shinichi Fujino
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Patent number: 5395037Abstract: A method for bonding a solder wire is provided wherein a lower ball end of a material solder wire is first bonded to a first bonding portion of a workpiece. Then, the material solder wire is thermally cut to provide a solder wire segment held bonded to the first bonding portion and having an upper ball end. Finally, the upper ball end is bonded to a second bonding portion of the workpiece. All of the wire bonding process steps are performed in an oxygen-free atmosphere to prevent oxidation of the solder wire.Type: GrantFiled: December 20, 1993Date of Patent: March 7, 1995Assignee: Rohm Co., Ltd.Inventors: Hiroyuki Takahashi, Shinichi Fujino, Kazuhiro Sakamoto, Tomoyasu Hirano
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Patent number: 5336046Abstract: A blower of an automotive air conditioner has a lower casing a part of which is formed is a plastic housing for a motor and a porous member in the form of a flat plate disposed at a position where the plastic housing and an upper casing of the blower abut against each other. An air layer is defined between the flat-plate porous member and the lower casing to add a muffling function.Type: GrantFiled: October 7, 1992Date of Patent: August 9, 1994Assignees: Hatachi, Ltd., Hitachi Automotive Engineering Co., Ltd.Inventors: Katsuhiko Hashimoto, Yoshinori Fukasaku, Shinichi Fujino, Mitsuaki Mirumachi
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Patent number: 5295619Abstract: A method for bonding a solder wire is provided wherein a lower ball end of a material solder wire is first bonded to a first bonding portion of a workpiece. Then, the material solder wire is thermally cut to provide a solder wire segment held bonded to the first bonding portion and having an upper ball end. Finally, the upper ball end is bonded to a second bonding portion of the workpiece. All of the wire bonding process steps are performed in an oxygen-free atmosphere to prevent oxidation of the solder wire.Type: GrantFiled: May 20, 1993Date of Patent: March 22, 1994Assignee: Rohm Co., Ltd.Inventors: Hiroyuki Takahashi, Shinichi Fujino, Kazuhiro Sakamoto, Tomoyasu Hirano