Patents by Inventor Masahiko Tamura
Masahiko Tamura 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: 8328602Abstract: The present invention relates to a method for manufacturing a glass substrate for information recording medium, the method including: a lapping step of lapping a circular glass plate made of an alkali aluminosilicate glass; and a subsequent cerium oxide polishing step of polishing the circular glass plate with a slurry containing a cerium oxide abrasive, in which a difference (SiO2?Al2O3) obtained by subtracting an Al2O3 content from an SiO2 content in the alkali aluminosilicate glass is 62% by mole or less; and in which the method further includes: subsequently to the cerium oxide polishing step, a cleaning step of cleaning the circular glass plate with a cleaning liquid having a sulfuric acid concentration of 20% by mass or more and 80% by mass or less and a hydrogen peroxide concentration of 1% by mass or more and 10% by mass or less at a liquid temperature of 50° C. or higher and 100° C.Type: GrantFiled: July 9, 2010Date of Patent: December 11, 2012Assignee: Asahi Glass Company, LimitedInventors: Masahiko Tamura, Toru Momose, Katsuaki Miyatani, Tetsuya Nakashima
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Patent number: 8329641Abstract: An effective agent for treating ischemic disease, the agent containing human granulocyte colony-stimulating factor (human G-CSF) as an active ingredient is disclosed. By administering this therapeutic agent, an effective therapy particularly for obstructive arteriosclerosis is provided which can eliminate drawbacks with conventional therapies, such as kinesitherapy, pharmacotherapy, and revascularization, and recently proposed therapies, such as gene therapy and intramuscular transplantation of bone marrow cells. Furthermore, the therapeutic agent can be used as an agent for treating ischemic disease, such as ischemic cerebrovascular disorder or ischemic heart disease.Type: GrantFiled: September 13, 2001Date of Patent: December 11, 2012Assignee: Chugai Seiyaku Kabushiki KaishaInventors: Tatsuya Miyai, Masahiko Tamura
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Publication number: 20110008649Abstract: The present invention relates to a method for manufacturing a glass substrate for information recording medium, the method including: a lapping step of lapping a circular glass plate made of an alkali aluminosilicate glass; and a subsequent cerium oxide polishing step of polishing the circular glass plate with a slurry containing a cerium oxide abrasive, in which a difference (SiO2?Al2O3) obtained by subtracting an Al2O3 content from an SiO2 content in the alkali aluminosilicate glass is 62% by mole or less; and in which the method further includes: subsequently to the cerium oxide polishing step, a cleaning step of cleaning the circular glass plate with a cleaning liquid having a sulfuric acid concentration of 20% by mass or more and 80% by mass or less and a hydrogen peroxide concentration of 1% by mass or more and 10% by mass or less at a liquid temperature of 50° C. or higher and 100° C.Type: ApplicationFiled: July 9, 2010Publication date: January 13, 2011Applicant: Asahi Glass Company, LimitedInventors: Masahiko TAMURA, Toru Momose, Katsuaki Miyatani, Tetsuya Nakashima
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Patent number: 7544359Abstract: An effective remedy for ischemic disease, which contains human granulocyte colony-stimulating factor (human G-CSF) and hepatocyte growth factor (HGF) as active ingredients, is disclosed. By administering this remedy, an effective therapy particularly for obstructive arteriosclerosis is provided which can eliminate drawbacks with conventional therapies such as kinesitherapy, pharmacotherapy, revascularization and recently proposed therapies such as gene therapy and intramuscular inoculation of bone marrow cells. Furthermore, the remedy of the present invention can become a remedy for ischemic disease such as ischemic cerebrovascular disorder or ischemic heart disease.Type: GrantFiled: March 20, 2003Date of Patent: June 9, 2009Assignees: Chugai Seiyaku Kabushiki KaishaInventors: Keiichi Fukuda, Yasuyo Hisaka, Tatsuya Miyai, Masahiko Tamura
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Patent number: 7473425Abstract: An effective remedy for ischemic disease, which contains human granulocyte colony-stimulating factor (human G-CSF) and hepatocyte growth factor (HGF) as active ingredients, is disclosed. By administering this remedy, an effective therapy particularly for obstructive arteriosclerosis is provided which can eliminate drawbacks with conventional therapies such as kinesitherapy, pharmacotherapy, revascularization and recently proposed therapies such as gene therapy and intramuscular inoculation of bone marrow cells. Furthermore, the remedy of the present invention can become a remedy for ischemic disease such as ischemic cerebrovascular disorder or ischemic heart disease.Type: GrantFiled: December 27, 2005Date of Patent: January 6, 2009Assignees: Chugai Seiyaku Kabushiki KaishaInventors: Keiichi Fukuda, Yasuyo Hisaka, Tatsuya Miyai, Masahiko Tamura
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Publication number: 20080272905Abstract: There is provided an attendance management system capable of easily checking attendance without requiring a special procedure or an individual authentication card or an attendance permission card. The attendance management system (100) includes a desk (103) having an identifier which can be imaged, a mobile telephone (102) having the camera function, and a center device (101) for checking attendance according to the identifier of the desk (103) and an identifier of the mobile telephone (102) transmitted from the mobile telephone (102). According to the identifier of the desk and the identifier of the mobile telephone, it is possible to check which student (mobile telephone) is present at which lesson (desk). Thus, it is possible to easily check attendance.Type: ApplicationFiled: March 31, 2005Publication date: November 6, 2008Applicant: Matsushita Electric Industrial Co., Ltd.Inventors: Nobutoshi Higaki, Masahiko Tamura, Tamihiro Izumi, Kazumi Endo, Osamu Kato, Akihiro Oyama
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Patent number: 7268110Abstract: Method of increasing blood platelet formation by administering a parathyroid hormone (PTH) or at least one PTH derivative as an active ingredient.Type: GrantFiled: April 21, 2005Date of Patent: September 11, 2007Assignee: Chugai Seiyaku Kabushiki KaishaInventors: Masahiko Tamura, Yasuhiro Oda
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Publication number: 20060104942Abstract: An effective remedy for ischemic disease, which contains human granulocyte colony-stimulating factor (human G-CSF) and hepatocyte growth factor (HGF) as active ingredients, is disclosed. By administering this remedy, an effective therapy particularly for obstructive arteriosclerosis is provided which can eliminate drawbacks with conventional therapies such as kinesitherapy, pharmacotherapy, revascularization and recently proposed therapies such as gene therapy and intramuscular inoculation of bone marrow cells. Furthermore, the remedy of the present invention can become a remedy for ischemic disease such as ischemic cerebrovascular disorder or ischemic heart disease.Type: ApplicationFiled: December 27, 2005Publication date: May 18, 2006Applicants: Keiichi FUKUDA, Yasuyo HISAKA, CHUGAI SEIYAKU KABUSHIKI KAISHAInventors: Keiichi Fukuda, Yasuyo Hisaka, Tatsuya Miyai, Masahiko Tamura
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Patent number: 6956022Abstract: Method of increasing blood platelet formation by administering a parathyroid hormone (PTH) or at least one PTH derivative as an active ingredient.Type: GrantFiled: December 27, 2001Date of Patent: October 18, 2005Assignee: Chugai Seiyaku Kabushiki KaishaInventors: Masahiko Tamura, Yasuhiro Oda
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Publication number: 20050197296Abstract: Method of increasing blood platelet formation by administering a parathyroid hormone (PTH) or at least one PTH derivative as an active ingredient.Type: ApplicationFiled: April 21, 2005Publication date: September 8, 2005Applicant: CHUGAI SEIYAKU KABUSHIKI KAISHAInventors: Masahiko Tamura, Yasuhiro Oda
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Publication number: 20050048026Abstract: An effective agent for treating ischemic disease, the agent containing human granulocyte colony-stimulating factor (human G-CSF) as an active ingredient is disclosed. By administering this therapeutic agent, an effective therapy particularly for obstructive arteriosclerosis is provided which can eliminate drawbacks with conventional therapies, such as kinesitherapy, pharmacotherapy, and revascularization, and recently proposed therapies, such as gene therapy and intramuscular transplantation of bone marrow cells. Furthermore, the therapeutic agent can be used as an agent for treating ischemic disease, such as ischemic cerebrovascular disorder or ischemic heart disease.Type: ApplicationFiled: September 13, 2001Publication date: March 3, 2005Inventors: Tatsuya Miyai, Masahiko Tamura
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Publication number: 20040019184Abstract: An effective remedy for ischemic disease, which contains human granulocyte colony-stimulating factor (human G-CSF) and hepatocyte growth factor (HGF) as active ingredients, is disclosed. By administering this remedy, an effective therapy particularly for obstructive arteriosclerosis is provided which can eliminate drawbacks with conventional therapies such as kinesitherapy, pharmacotherapy, revascularization and recently proposed therapies such as gene therapy and intramuscular inoculation of bone marrow cells. Furthermore, the remedy of the present invention can become a remedy for ischemic disease such as ischemic cerebrovascular disorder or ischemic heart disease.Type: ApplicationFiled: March 20, 2003Publication date: January 29, 2004Applicants: Keiichi Fukuda, Yasuyo Hisaka, Chugai Seiyaku Kabushiki KaishaInventors: Keiichi Fukuda, Yasuyo Hisaka, Tatsuya Miyai, Masahiko Tamura
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Patent number: 6445120Abstract: A plasma display panel in which a structure of a discharge electrode and dielectric layer is provided to generate ultraviolet rays in a positive column area includes: a plurality of first and second bus electrodes successively formed on a substrate at a predetermined interval; a plurality of first discharge electrodes formed with a plurality of first branches branched at a first width for each first bus electrode, a plurality of first centers extended from the first branches to a second width greater than the first width, and a plurality of first ends extended from the first centers to a third width smaller than the second width; a plurality of second discharge electrodes successively branched at a predetermined interval for each second bus electrode and spaced apart from the first ends; and a dielectric layer deposited on areas between the first and second discharge electrodes at a first thickness and on some areas on the first and second discharge electrodes at a second thickness.Type: GrantFiled: October 27, 1999Date of Patent: September 3, 2002Assignee: LG Electronics Inc.Inventors: Jae Sung Kim, Masahiko Tamura
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Publication number: 20020058626Abstract: Method of increasing blood platelet formation by administering a parathyroid hormone (PTH) or at least one PTH derivative as an active ingredient.Type: ApplicationFiled: December 27, 2001Publication date: May 16, 2002Applicant: CHUGAI SEIYAKU KABUSHIKI KAISHAInventors: Masahiko Tamura, Yasuhiro Oda
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Patent number: 6342477Abstract: Agents for preventing and treating thrombocytopenia, thrombocytopenic purpura and various diseases that tend to cause bleeding due, presumably, to thrombocytopenia contain a parathyroid hormone (PTH) or at least one PTH derivative as an active ingredient.Type: GrantFiled: July 29, 1998Date of Patent: January 29, 2002Assignee: Chugai Seiyaku Kabushiki KaishaInventors: Masahiko Tamura, Yasuhiro Oda
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Patent number: 6190637Abstract: The present invention provides a method for preparing [F-18]-fluoride ion which comprises the step of bringing [O-18]-enriched water containing [F-18]-fluoride ion formed by proton irradiation of [O-18]-enriched water into contact with a strongly acidic cation exchange resin to remove impurity cations, the step of then bringing the [O-18]-enriched water containing [F-18]-fluoride ion treated above into contact with a weakly basic anion exchange resin to make [F-18]-fluoride ion adsorbed to the resin and, along therewith, to recover the [O-18]-enriched water which has passed through the resin, and the step of eluting and collecting the [F-18]-fluoride ion adsorbed to the weakly basic anion exchange resin.Type: GrantFiled: March 11, 1999Date of Patent: February 20, 2001Assignee: Nihon Medi-Physics Co., Ltd.Inventors: Sento Ino, Masahiko Tamura, Osamu Itoh
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Patent number: 5767400Abstract: The present invention provides a hydraulic test system, by which it is possible to select a proper position and to select a reliable measurement interval corresponding to said position, to obtain information for preventing retention or leaving of the equipment in the borehole, and to observe the conditions in front and lateral directions by a single BTV at the same time and at wide angle of view without adjusting focal point. On the tip of a measurement pipe to be inserted into a borehole, a waterproofing cylinder with a transparent window oriented for simultaneously observing in both the front and lateral directions is mounted, and there are provided illumination units for illuminating in front direction and side walls and a borehole television set equipped with a ball lens, spherical mirror lens or matched convex pair of lens system in said cylinder, which forms a virtual image of an object in front direction and a reflected virtual image of an object in lateral direction on almost the same plane.Type: GrantFiled: July 10, 1996Date of Patent: June 16, 1998Assignees: Doryokuro Kakunenryo Kaihatsu Jigyodan, Taisei Kiso Sekkei Co. Ltd., Raax Co., Ltd.Inventors: Katsushi Nakano, Koichi Yanagisawa, Yoichi Hirata, Kazuyuki Goto, Masahiko Tamura, Shunichi Kamewada
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Patent number: 3982143Abstract: A piezoelectric electro-acoustic transducer which includes a diaphragm having a piezoelectric property, a base plate of a stiff material, and a resilient backing member which is compressedly covered at one side with the base plate and brought into contact at the other side with the diaphragm to provide the diaphragm with resiliency and/or tension, characterized in that the base plate is provided at one side adjacent said backing member with a surface which has a concave and/or a convex curvature to provide the diaphragm with different suitable pressures through said backing member, whereby it has become possible to improve the frequency characteristics, particularly, the low frequency characteristics of the transducer and a high conversion efficiency thereof.Type: GrantFiled: February 12, 1975Date of Patent: September 21, 1976Assignee: Pioneer Electronic CorporationInventors: Masahiko Tamura, Takashi Oyaba
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Patent number: 3976897Abstract: An electro-acoustic transducer with a piezoelectric diaphragm which is backed with a plurality of different resilient members for imparting a suitable resiliency and/or tension to said diaphragm to highly improve its acoustic characteristics with a simple construction.Type: GrantFiled: February 12, 1975Date of Patent: August 24, 1976Assignee: Pioneer Electronic CorporationInventors: Masahiko Tamura, Kiyonori Iwama, Toshikazu Yoshimi, Takashi Oyaba
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Patent number: 3973150Abstract: A piezoelectric electro-acoustic transducer employing as a diaphragm a uniaxially stretched film of a shape having the major axis and the minor axis, wherein the expansion-contraction direction of the diaphragm, in which a piezoelectric constant is at a maximum, is substantially in parallel with the minor axis thereof, whereby the piezoelectric electro-acoustic transducer can provide a high converting efficiency, especially in the low frequency range.Type: GrantFiled: February 12, 1975Date of Patent: August 3, 1976Assignee: Pioneer Electronic CorporationInventors: Masahiko Tamura, Kiyonori Iwama, Toshikazu Yoshimi