Patents by Inventor Motoyuki Tsuihiji
Motoyuki Tsuihiji 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: 7493765Abstract: There is provided a hydrogen production apparatus having a simple structure for efficiently producing hydrogen. The hydrogen production apparatus 10 comprises a reactor 12 for reacting silicon (which may be waste silicon) and an aqueous basic hydroxide solution, a hydrogen absorbing alloy 20 for storing hydrogen produced by the reaction, and a reservoir/filter 14 which retains a solid or liquid product generated in the reactor 12 and filters a solution or suspension containing the solid or liquid product so as to separate the product from water.Type: GrantFiled: March 22, 2004Date of Patent: February 24, 2009Assignee: Sanyo Electric Co., Ltd.Inventors: Tomohiro Akiyama, Masaki Hayasaka, Hiroshi Uesugi, Motoyuki Tsuihiji
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Publication number: 20080314832Abstract: Wastewater, in the form of a colloidal solution containing microparticles, is filtrated using a second filter, having a gel film that is formed by suction on the surface of a first filter. The suction pressure in this process is made extremely weak to maintain the filtration capacity while extending intervals prior to clogging of second filter. Furthermore, the gel that becomes adsorbed onto the surface of second filter can be separated readily from the surface of second filter by stopping the suction and filtration can be continued again thereafter.Type: ApplicationFiled: June 18, 2008Publication date: December 25, 2008Applicant: Sanyo Electric Co., Ltd.Inventors: Hiroyuki UMEZAWA, Masahiro Iseki, Motoyuki Tsuihiji, Hirofumi Iinuma
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Patent number: 7452463Abstract: Provided are a treatment apparatus for removing fluorine content from water to be treated and a method of treating water to be treated using the same. Water to be treated, containing fluorine, is introduced into a treatment tank over a first path. Slaked lime is added to the water to be treated over a second path. Calcium chloride is added to the water to be treated over a third path. Thus, the fluorine contained in the water to be treated combines with calcium forming slaked lime or calcium chloride, thus yielding calcium fluoride, which is immobilized. When a filter film immersed in the water to be treated is used for filtration, the calcium fluoride contained in the water to be treated is concentrated.Type: GrantFiled: May 26, 2005Date of Patent: November 18, 2008Assignee: Sanyo Electric Co., Ltd.Inventors: Hiroyuki Umezawa, Masahiro Iseki, Daizo Takaoka, Motoyuki Tsuihiji, Takashi Igarashi, Hiromichi Ohtake
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Patent number: 7438804Abstract: Provided are a coagulation treatment apparatus capable of removing fine objects of removal from a fluid containing the objects of removal, and a coagulation treatment method using the apparatus. A coagulation treatment apparatus for a fluid according to the present invention includes a production device for introducing ions of metal belonging to Group 8 of the periodic table into a fluid containing objects of removal and for producing a coagulated substance in which the objects of removal and the metal ions are bonded to each other.Type: GrantFiled: November 3, 2004Date of Patent: October 21, 2008Assignee: Sanyo Electric Co., Ltd.Inventors: Hiroyuki Umezawa, Masahiro Iseki, Daizo Takaoka, Motoyuki Tsuihiji, Koichi Hara
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Patent number: 7396458Abstract: A wastewater treatment equipment of an embodiment of the present invention neutralizes a WTBT 12 by introducing the WTBT 12 containing fluorine components to a first treatment tank 11A and by introducing an NaOH solution from a second path P2 and so on. The fluorine components contained in the WTBT 12 is then fixed as calcium fluoride by adding calcium components to the WTBT 12 stored in a second treatment tank 11B. Furthermore, MTBR like calcium fluoride are separated from the WTBT in a third treatment tank 11C. The separated MTBR are rinsed and dewatered in a filter press 17.Type: GrantFiled: March 22, 2006Date of Patent: July 8, 2008Assignee: Sanyo Electric Co., Ltd.Inventors: Hiroyuki Umezawa, Masahiro Iseki, Motoyuki Tsuihiji
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Patent number: 7381323Abstract: A filtration apparatus is provided which is easy to maintain, manage and which enables preservation of filtration characteristics due to the fact that filtration is carried out by use of a gelatinous filter apparatus. In the filtration apparatus, filtration characteristics can be maintained by providing a bubble supplying mechanism for removing a sedimentary layer comprising removables that is formed on a surface of a filtration film and a filtration characteristics restoring mechanism for restoring the filter film clogged by the removables by causing a back-flow of filtered water accumulated in a cistern. Filtration apparatus maintenance and management are facilitated by improving recovery efficiency of the precipitated removables by tapering a lower part inside a raw water tank and providing a recovery tank for recovering removables via a valve.Type: GrantFiled: August 4, 2006Date of Patent: June 3, 2008Assignees: Sanyo Aqua Technology Co., Ltd., Sanyo Electric Co., Ltd.Inventors: Hiroyuki Umezawa, Masahiro Iseki, Motoyuki Tsuihiji
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Patent number: 7157012Abstract: Object of the preferred embodiment is to remove sol-form microparticles and nitrogen components contained in CMP wastewater. Sol-form microparticle components contained in CMP wastewater are removed by a filtration treatment using a filter device 13, having a gel-form second filter. Also, nitrogen components in the CMP wastewater are removed by an electrochemical treatment using electrode 12. The filtration treatment and the electrochemical treatment can be carried out in individual tanks or can be carried out in the same tank. By performing the filtration treatment and the electrochemical treatment in the same tank, a space-saving water treatment device can be provided.Type: GrantFiled: March 24, 2004Date of Patent: January 2, 2007Assignee: Sanyo Electric Co., Ltd.Inventors: Hiroyuki Umezawa, Masahiro Iseki, Daizo Takaoka, Tsuyoshi Rakuma, Mineo Ikematsu, Motoyuki Tsuihiji, Hirofumi Iinuma
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Publication number: 20060266686Abstract: A filtration apparatus is provided which is easy to maintain, manage and which enables preservation of filtration characteristics due to the fact that filtration is carried out by use of a gelatinous filter apparatus. In the filtration apparatus, filtration characteristics can be maintained by providing a bubble supplying mechanism for removing a sedimentary layer comprising removables that is formed on a surface of a filtration film and a filtration characteristics restoring mechanism for restoring the filter film clogged by the removables by causing a back-flow of filtered water accumulated in a cistern. Filtration apparatus maintenance and management are facilitated by improving recovery efficiency of the precipitated removables by tapering a lower part inside a raw water tank and providing a recovery tank for recovering removables via a valve.Type: ApplicationFiled: August 4, 2006Publication date: November 30, 2006Inventors: Hiroyuki Umezawa, Masahiro Iseki, Motoyuki Tsuihiji
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Publication number: 20060266687Abstract: A filtration apparatus is provided which is easy to maintain, manage and which enables preservation of filtration characteristics due to the fact that filtration is carried out by use of a gelatinous filter apparatus. In the filtration apparatus, filtration characteristics can be maintained by providing a bubble supplying mechanism for removing a sedimentary layer comprising removables that is formed on a surface of a filtration film and a filtration characteristics restoring mechanism for restoring the filter film clogged by the removables by causing a back-flow of filtered water accumulated in a cistern. Filtration apparatus maintenance and management are facilitated by improving recovery efficiency of the precipitated removables by tapering a lower part inside a raw water tank and providing a recovery tank for recovering removables via a valve.Type: ApplicationFiled: August 4, 2006Publication date: November 30, 2006Inventors: Hiroyuki Umezawa, Masahiro Iseki, Motoyuki Tsuihiji
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Publication number: 20060266685Abstract: A filtration apparatus is provided which is easy to maintain, manage and which enables preservation of filtration characteristics due to the fact that filtration is carried out by use of a gelatinous filter apparatus. In the filtration apparatus, filtration characteristics can be maintained by providing a bubble supplying mechanism for removing a sedimentary layer comprising removables that is formed on a surface of a filtration film and a filtration characteristics restoring mechanism for restoring the filter film clogged by the removables by causing a back-flow of filtered water accumulated in a cistern. Filtration apparatus maintenance and management are facilitated by improving recovery efficiency of the precipitated removables by tapering a lower part inside a raw water tank and providing a recovery tank for recovering removables via a valve.Type: ApplicationFiled: August 4, 2006Publication date: November 30, 2006Inventors: Hiroyuki Umezawa, Masahiro Iseki, Motoyuki Tsuihiji
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Publication number: 20060231472Abstract: A wastewater treatment equipment of an embodiment of the present invention neutralizes a WTBT 12 by introducing the WTBT 12 containing fluorine components to a first treatment tank 11A and by introducing an NaOH solution from a second path P2 and so on. The fluorine components contained in the WTBT 12 is then fixed as calcium fluoride by adding calcium components to the WTBT 12 stored in a second treatment tank 11B. Furthermore, MTBR like calcium fluoride are separated from the WTBT in a third treatment tank 11C. The separated MTBR are rinsed and dewatered in a filter press 17.Type: ApplicationFiled: March 22, 2006Publication date: October 19, 2006Applicant: SANYO ELECTRIC CO., LTD.Inventors: Hiroyuki Umezawa, Masahiro Iseki, Motoyuki Tsuihiji
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Patent number: 7014770Abstract: A filtering method is directed to a wastewater of CMP process, which includes sub-micrometer particles suspended as colloid. The wastewater is filtered by a gel membrane formed on a surface of plastic filter. A coagulant or a pH adjuster is added to the wastewater so that the sub-micrometer particles are coagulated to form the gel membrane.Type: GrantFiled: May 16, 2003Date of Patent: March 21, 2006Assignee: Sanyo Electric Co., Ltd.Inventors: Hiroyuki Umezawa, Masahiro Iseki, Motoyuki Tsuihiji, Hirofumi Iinuma
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Publication number: 20050269271Abstract: Provided are a treatment apparatus for removing fluorine content from water to be treated and a method of treating water to be treated using the same. Water to be treated, containing fluorine, is introduced into a treatment tank over a first path. Slaked lime is added to the water to be treated over a second path. Calcium chloride is added to the water to be treated over a third path. Thus, the fluorine contained in the water to be treated combines with calcium forming slaked lime or calcium chloride, thus yielding calcium fluoride, which is immobilized. When a filter film immersed in the water to be treated is used for filtration, the calcium fluoride contained in the water to be treated is concentrated.Type: ApplicationFiled: May 26, 2005Publication date: December 8, 2005Applicant: Sanyo Electric Co., Ltd.Inventors: Hiroyuki Umezawa, Masahiro Iseki, Daizo Takaoka, Motoyuki Tsuihiji, Takashi Igarashi, Hiromichi Ohtake
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Publication number: 20050215412Abstract: A powder preparing device has a filtering device which processes CMP waste water and a vacuum dry-freezing device which dries a slurry which is concentrated to a high concentration by the filtering device. A membrane module in which at least one gel filtering film in which a gel layer is formed on a surface of a filtering membrane having a pore size of 0.25 ?m is provided is placed within the filtering device. A pump sucks waste water from within the gel filtering membrane of the membrane module. The high-concentration slurry obtained by the filtering device may be supplied for various uses without further processing, or a powder may be obtained by transporting the high-concentration slurry to the vacuum dry-freezing device using a transporting pump and applying a drying process.Type: ApplicationFiled: March 29, 2005Publication date: September 29, 2005Inventors: Takashi Nakamura, Etsuro Shibata, Masayuki Maeda, Hiroshi Uesugi, Masahiro Iseki, Hiroyuki Umezawa, Motoyuki Tsuihiji
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Publication number: 20050115908Abstract: Provided are a coagulation treatment apparatus capable of removing fine objects of removal from a fluid containing the objects of removal, and a coagulation treatment method using the apparatus. A coagulation treatment apparatus for a fluid according to the present invention includes a production device for introducing ions of metal belonging to Group 8 of the periodic table into a fluid containing objects of removal and for producing a coagulated substance in which the objects of removal and the metal ions are bonded to each other.Type: ApplicationFiled: November 3, 2004Publication date: June 2, 2005Applicant: Sanyo Electric Co., Ltd.Inventors: Hiroyuki Umezawa, Masahiro Iseki, Daizo Takaoka, Motoyuki Tsuihiji, Koichi Hara
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Patent number: 6890242Abstract: Techniques for recycling waste particles may include solidifying particles, which were generated by machining a crystal ingot into a wafer or by machining a semiconductor wafer, into a cake, and melting the cake, for example, into an ingot.Type: GrantFiled: February 18, 2004Date of Patent: May 10, 2005Assignee: Sanyo Electric Co., Ltd.Inventors: Motoyuki Tsuihiji, Hirofumi Iinuma
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Publication number: 20050042165Abstract: There is provided a hydrogen production apparatus having a simple structure for efficiently producing hydrogen. The hydrogen production apparatus 10 comprises a reactor 12 for reacting silicon (which may be waste silicon) and an aqueous basic hydroxide solution, a hydrogen absorbing alloy 20 for storing hydrogen produced by the reaction, and a reservoir/filter 14 which retains a solid or liquid product generated in the reactor 12 and filters a solution or suspension containing the solid or liquid product so as to separate the product from water.Type: ApplicationFiled: March 22, 2004Publication date: February 24, 2005Applicants: SANYO ELECTRIC CO., LTD., Tomohiro AKIYAMA, SANYO Aque Technology Co., Ltd., Hiroshi UESUGIInventors: Tomohiro Akiyama, Masaki Hayasaka, Hiroshi Uesugi, Motoyuki Tsuihiji
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Publication number: 20040262209Abstract: A filtration apparatus is provided which is easy to maintain, manage and which enables preservation of filtration characteristics due to the fact that filtration is carried out by use of a gelatinous filter apparatus. In the filtration apparatus, filtration characteristics can be maintained by providing a bubble supplying mechanism for removing a sedimentary layer comprising removables that is formed on a surface of a filtration film and a filtration characteristics restoring mechanism for restoring the filter film clogged by the removables by causing a back-flow of filtered water accumulated in a cistern. Filtration apparatus maintenance and management are facilitated by improving recovery efficiency of the precipitated removables by tapering a lower part inside a raw water tank and providing a recovery tank for recovering removables via a valve.Type: ApplicationFiled: April 23, 2004Publication date: December 30, 2004Inventors: Hiroyuki Umezawa, Masahiro Iseki, Motoyuki Tsuihiji
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Patent number: 6830679Abstract: A filtration device is provided in which wastewater, in the form of a colloidal solution containing microparticles, is guided to tank, circulated, and filtrated using a second filter. The device includes a gel film that is formed by suction on the surface of a first filter. The suction pressure in this process is made extremely weak to maintain the filtration capacity while extending intervals prior to clogging of second filter 2. Furthermore, a filtration device is realized with which the gel film of second filter that becomes adsorbed onto the surface of first filter can be separated readily by stopping the suction and filtration can be continued again thereafter.Type: GrantFiled: October 31, 2002Date of Patent: December 14, 2004Assignee: Sanyo Electric Co., Ltd.Inventors: Motoyuki Tsuihiji, Hirofumi Iinuma, Hiroyuki Umezawa, Masahiro Iseki
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Publication number: 20040245184Abstract: Object of the preferred embodiment is to remove sol-form microparticles and nitrogen components contained in CMP wastewater. Sol-form microparticle components contained in CMP wastewater are removed by a filtration treatment using a filter device 13, having a gel-form second filter. Also, nitrogen components in the CMP wastewater are removed by an electrochemical treatment using electrode 12. The filtration treatment and the electrochemical treatment can be carried out in individual tanks or can be carried out in the same tank. By performing the filtration treatment and the electrochemical treatment in the same tank, a space-saving water treatment device can be provided.Type: ApplicationFiled: March 24, 2004Publication date: December 9, 2004Applicant: Sanyo Electric Co., LtdInventors: Hiroyuki Umezawa, Masahiro Iseki, Daizo Takaoka, Tsuyoshi Rakuma, Mineo Ikematsu, Motoyuki Tsuihiji, Hirofumi Iinuma