Patents by Inventor Susumu Matsuda
Susumu Matsuda 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: 8282370Abstract: A scroll compressor having an improved compression efficiency by optimizing a step mesh gap in an operating state is provided. The scroll compressor having a step-like shape has a step-mesh-gap set value occurring between step side surfaces of a connecting wall of a fixed scroll and a connecting edge of a revolving scroll and a step-mesh-gap set value occurring between step side surfaces of a connecting walls of the revolving scroll and a connecting edge of the fixed scroll, and a fixed-side set value for when the two move close together due to the revolving scroll tilting by receiving gas pressure during operation is set greater than that for when the two move apart.Type: GrantFiled: December 20, 2006Date of Patent: October 9, 2012Assignee: Mitsubishi Heavy Industries, Ltd.Inventors: Hajime Sato, Susumu Matsuda, Hisao Mizuno, Yougo Takasu, Taichi Tateishi
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Publication number: 20090280019Abstract: A scroll compressor having an improved compression efficiency by optimizing a step mesh gap in an operating state is provided. The scroll compressor having a step-like shape has a step-mesh-gap set value occurring between step side surfaces of a connecting wall of a fixed scroll and a connecting edge of a revolving scroll and a step-mesh-gap set value occurring between step side surfaces of a connecting wall of the revolving scroll and a connecting edge of the fixed scroll, and a fixed-side set value for when the two move close together due to the revolving scroll tilting by receiving gas pressure during operation is set greater than that for when the two move apart.Type: ApplicationFiled: December 20, 2006Publication date: November 12, 2009Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Hajime Sato, Susumu Matsuda, Hisao Mizuno, Yougo Takasu, Taichi Tateishi
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Patent number: 7497674Abstract: A scroll compressor prevents the rotation of an orbiting scroll and reduces manufacturing cost. This scroll compressor has a housing, a fixed scroll having a first end plate and a first spiral wall body, an orbiting scroll having a second end plate and a second spiral wall body, rotation-preventing portions provided for at least one of the housing and the orbiting scroll, which allow the orbiting scroll to revolve while preventing the rotation thereof, a wall body shoulder portion formed along an upper edge of the second spiral wall body, and a step portion formed on the first end plate. In this scroll compressor, the shoulder portion and the step portion contact with and slide along each other, and a phase at which the shoulder portion is disposed to the center of the orbiting scroll is different from phases at which the rotation-preventing portions are disposed.Type: GrantFiled: February 7, 2007Date of Patent: March 3, 2009Assignee: Mitsubishi Heavy Industries, Ltd.Inventors: Taichi Tateishi, Hajime Sato, Susumu Matsuda, Hisao Mizuno, Yogo Takasu
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Publication number: 20070217934Abstract: A scroll compressor prevents the rotation of an orbiting scroll and reduces manufacturing cost. This scroll compressor has a housing, a fixed scroll having a first end plate and a first spiral wall body, an orbiting scroll having a second end plate and a second spiral wall body, rotation-preventing portions provided for at least one of the housing and the orbiting scroll, which allow the orbiting scroll to revolve while preventing the rotation thereof, a wall body shoulder portion formed along an upper edge of the second spiral wall body, and a step portion formed on the first end plate. In this scroll compressor, the shoulder portion and the step portion contact with and slide along each other, and a phase at which the shoulder portion is disposed to the center of the orbiting scroll is different from phases at which the rotation-preventing portions are disposed.Type: ApplicationFiled: February 7, 2007Publication date: September 20, 2007Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Taichi TATEISHI, Hajime SATO, Susumu MATSUDA, Hisao MIZUNO, Yogo TAKASU
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Patent number: 7107701Abstract: There are provided a substrate drying method and apparatus by which an attachment amount of particles to surfaces of substrates can be reduced when the substrates are exposed from pure water, and occurrence of non-uniform drying can be prevented by improving drying efficiency of the substrates. Air or an inert gas, and gaseous or droplet-like isopropyl alcohol (hereinafter, referred to as IPA) are supplied into a space on a liquid level of the pure water in a drying chamber, and pure water on a liquid level side is drained from the liquid level or the vicinity of the liquid level of the pure water, while raising the pure water in which the substrates are immersed together with the substrates, the substrates are exposed from the pure water above the liquid level in the drying chamber, and, at the same time, the pure water held on the exposed surfaces of the substrates is replaced by IPA, whereby the substrates are dried.Type: GrantFiled: January 21, 2003Date of Patent: September 19, 2006Assignee: Toho Kasei Co., Ltd.Inventors: Yoshio Takemura, Susumu Matsuda, Hiroaki Mizunoe
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Publication number: 20040139626Abstract: There are provided a substrate drying method and apparatus by which an attachment amount of particles to surfaces of substrates can be reduced when the substrates are exposed from pure water, and occurrence of non-uniform drying can be prevented by improving drying efficiency of the substrates. Air or an inert gas, and gaseous or droplet-like isopropyl alcohol (hereinafter, referred to as IPA) are supplied into a space on a liquid level of the pure water in a drying chamber, and pure water on a liquid level side is drained from the liquid level or the vicinity of the liquid level of the pure water, while raising the pure water in which the substrates are immersed together with the substrates, the substrates are exposed from the pure water above the liquid level in the drying chamber, and, at the same time, the pure water held on the exposed surfaces of the substrates is replaced by IPA, whereby the substrates are dried.Type: ApplicationFiled: January 21, 2003Publication date: July 22, 2004Inventors: Yoshio Takemura, Susumu Matsuda, Hiroaki Mizunoe
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Patent number: 6746224Abstract: In a scroll compressor furnished with a fixed scroll and an orbiting scroll, and provided with steps on end plates of the fixed scroll and the orbiting scroll, formed such that the height thereof is high at a central side and low at an outer peripheral end side in a spiral direction of the walls, and with upper rims of the walls formed in a stepped shape corresponding to the steps, gaps are respectively provided between the end plates and upper rims of the walls, and a height of the gaps at room temperature is formed higher than a height under operating conditions. Moreover, the steps are provided at positions which exceeds a pitch angle of &pgr; (rad) along the spiral direction from the outer peripheral end. Furthermore, a concavity is formed in the end plate of the fixed scroll, and a discharge valve is provided in the concavity. Moreover, a plate which is freely movable in an orbit axis direction of the orbiting scroll is arranged, and a pressing device which presses the plate is provided.Type: GrantFiled: February 20, 2002Date of Patent: June 8, 2004Assignee: Mitsubishi Heavy Industries, Ltd.Inventors: Takahide Itoh, Makoto Takeuchi, Hiroshi Yamazaki, Yasuharu Maruiwa, Yukio Nagato, Chikako Sasakawa, Susumu Matsuda
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Publication number: 20020114719Abstract: A back pressure chamber HR is provided on the other side face of the end plate (12a) of the fixed scroll (12). The fixed scroll (12) is pressed against the orbiting scroll (13) by introducing fluid compressed into the back pressure chamber HR. Furthermore, step portions are provided on the end plates (12a) of the fixed scroll (12) and the end plate (13a) of the orbiting scroll (13), and stepped shapes are formed on the upper rim of the wall (12b) of the fixed scroll (12) and the upper rim of the wall (13b) of the orbiting scroll (13) to prevent leakage of fluid.Type: ApplicationFiled: February 20, 2002Publication date: August 22, 2002Inventors: Takahide Itoh, Chikako Sasakawa, Susumu Matsuda
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Publication number: 20020114720Abstract: In a scroll compressor furnished with a fixed scroll and an orbiting scroll, and provided with steps on end plates of the fixed scroll and the orbiting scroll, formed such that the height thereof is high at a central side and low at an outer peripheral end side in a spiral direction of the walls, and with upper rims of the walls formed in a stepped shape corresponding to the steps, gaps are respectively provided between the end plates and upper rims of the walls, and a height of the gaps at room temperature is formed higher than a height under operating conditions. Moreover, the steps are provided at positions which exceeds a pitch angle of &pgr; (rad) along the spiral direction from the outer peripheral end. Furthermore, a concavity is formed in the end plate of the fixed scroll, and a discharge valve is provided in the concavity. Moreover, a plate which is freely movable in an orbit axis direction of the orbiting scroll is arranged, and a pressing device which presses the plate is provided.Type: ApplicationFiled: February 20, 2002Publication date: August 22, 2002Inventors: Takahide Itoh, Makoto Takeuchi, Hiroshi Yamazaki, Yasuharu Maruiwa, Yukio Nagato, Chikako Sasakawa, Susumu Matsuda
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Patent number: 6361296Abstract: The present invention provides a scroll-type compressor that can supply sufficient lubricating oil without the occurrence of seizure of bearing for an orbiting scroll. In this scroll-type compressor, an annular boss 23 extends downward from the orbiting scroll, and an eccentric pin 53 of a rotating shaft 5 fits into the boss 23 via a bearing 73 and an eccentric bush 54. A gap 58 is provided between the eccentric pin 53 and the eccentric bush 54, and an oil supply path 57 is provided between the eccentric bush 54 and the bearing 73. The lubricating oil flows out of an oil supply hole 52 formed in a rotating shaft 5 and the eccentric pin 53, being supplied to the bearing 73, etc. via the oil supply path 57. In order to sufficiently supply the lubricating oil to the oil supply path 57, a portion 54f extending in an arcuate shape from the upper end face of the eccentric bush 54 forms a protrusion extending upward from the other flat portion 54d.Type: GrantFiled: December 17, 1999Date of Patent: March 26, 2002Assignee: Mitsubishi Heavy Industries, Ltd.Inventors: Katsumi Hirooka, Hiroyuki Kobayashi, Susumu Matsuda
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Patent number: 6340693Abstract: The present invention provides a protective agent for nervous system structural cells comprising a prostaglandin I derivative, preferably a prostaglandin I2 derivative, particularly beraplost, as an active component. This medicine exhibits excellent effects as a protective agent for nervous system structural cells, and is effective as an excellent agent for preventing or curing cerebrovascular disorder, cerebral nerve cell disorder, ischemic cerebral disorder, dementia, and peripheral nerve disorder due to diabetic or the like.Type: GrantFiled: February 16, 1999Date of Patent: January 22, 2002Assignee: Toray Industries, Inc.Inventors: Hajimu Kurumatani, Susumu Matsuda, Mie Kainoh
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Patent number: 6219936Abstract: Nitrogen gas is jetted into a space on the liquid level of pure water in a drying chamber in which wafers are immersed. Simultaneously therewith, liquid-phase isopropyl alcohol is jetted at a temperature higher than the temperature of the wafers and in the vicinity of jetting openings for the nitrogen gas. When the wafers are exposed above the liquid level in the drying chamber, the pure water held on both front and rear surfaces of the wafers is replaced by the isopropyl alcohol of mist-form. The isopropyl alcohol is then evaporated, whereby the wafers are dried.Type: GrantFiled: November 23, 1999Date of Patent: April 24, 2001Assignee: Toho Kasei Co., Ltd.Inventors: Yutaka Kedo, Yoshio Takemura, Susumu Matsuda
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Patent number: 6172078Abstract: The present invention provides a quinolinomorphinan derivative or a pharmacologically acceptable acid addition salt thereof, and an agent for curing or preventing cerebral disorders composed of the derivative and salt thereof, which is represented by the following formula (I): (wherein R1 represents cyclopropylmethyl or the like; R2 and R3 independently represent hydroxy, methoxy, or the like; R4 represents hydrogen, methyl, amino or the like; and (R5)m represents hydrogen, substituted benzo, or the like. The compounds of the present invention prevent damages of the cerebral nerve cells and are useful as medicine for curing or preventing various cerebral diseases such as cerebral stroke, traumatic cerebral diseases, cerebral edema, and cerebral neurodegenerative diseases.Type: GrantFiled: January 13, 1999Date of Patent: January 9, 2001Assignee: Toray Industries, Inc.Inventors: Hiroshi Nagase, Yoshifumi Imamura, Hiroshi Ohno, Masanobu Kaneeda, Susumu Matsuda, Yasushi Miyauchi
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Patent number: 6156762Abstract: The present invention provides an indolomorphinan derivative or a pharmacologically acceptable acid addition salt thereof, and an agent for curing and preventing cerebral disorders composed of the derivative and salt thereof, which is represented by the following formula (I): ##STR1## [wherein R.sup.1 represents cyclopropylmethyl or the like; R.sup.2 and R.sup.3 each represent hydroxy methoxy, or the like; R.sup.4 represents hydrogen, methyl, benzyl, 3-isothiocyanatopropyl, or the like; and (R.sup.5).sub.m represents hydrogen, substituted benzo, or the like]. The compounds of the present invention have the excellent effect of preventing damage of the cerebral nerve cells.Type: GrantFiled: September 24, 1998Date of Patent: December 5, 2000Assignee: Toray Industries, Inc.Inventors: Hiroshi Nagase, Yoshifumi Imamura, Junichi Hirokawa, Susumu Matsuda, Yasushi Miyauchi
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Patent number: 6147084Abstract: The present invention relates to a novel brain cell protective agent having for its active ingredient a morphinan derivative represented with Compound 1 ##STR1## or pharmacologically acceptable acid addition salt thereof. The compounds used in the present invention were found to have excellent defensive effects against brain nerve cell necrosis in both in vitro and in vivo pharmacological evaluations, and can be used as useful preventive and therapeutic agents of ischemic brain disorders, brain nerve cell disorders and dementia.Type: GrantFiled: March 4, 1999Date of Patent: November 14, 2000Assignee: Toray Industries, Inc.Inventors: Hiroshi Nagase, Yoshifumi Imamura, Takashi Endo, Susumu Matsuda, Yasushi Miyauchi
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Patent number: 6012911Abstract: The present invention provides a scroll-type compressor that can supply sufficient lubricating oil without the occurrence of seizure of bearing for an orbiting scroll. In this scroll-type compressor, an annular boss 23 extends downward from the orbiting scroll, and an eccentric pin 53 of a rotating shaft 5 fits into the boss 23 via a bearing 73 and an eccentric bush 54. A gap 58 is provided between the eccentric pin 53 and the eccentric bush 54, and an oil supply path 57 is provided between the eccentric bush 54 and the bearing 73. The lubricating oil flows out of an oil supply hole 52 formed in a rotating shaft 5 and the eccentric pin 53, being supplied to the bearing 73, etc. via the oil supply path 57. In order to sufficiently supply the lubricating oil to the oil supply path 57, a portion 54f extending in an arcuate shape from the upper end face of the eccentric bush 54 forms a protrusion extending upward from the other flat portion 54d.Type: GrantFiled: May 30, 1997Date of Patent: January 11, 2000Assignee: Mitsubishi Heavy Industries, Ltd.Inventors: Katsumi Hirooka, Hiroyuki Kobayashi, Susumu Matsuda
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Patent number: 5972953Abstract: The present invention relates to a novel brain cell protective agent having for its active ingredient a morphinan derivative represented with Compound 1 ##STR1## or pharmacologically acceptable acid addition salt thereof. The compounds used in the present invention were found to have excellent defensive effects against brain nerve cell necrosis in both in vitro and in vivo pharmacological evaluations, and can be used as useful preventive and therapeutic agents of ischemic brain disorders, brain nerve cell disorders and dementia.Type: GrantFiled: November 7, 1996Date of Patent: October 26, 1999Assignee: Toray Industries, Ltd.Inventors: Hiroshi Nagase, Yoshifumi Imamura, Takashi Endo, Susumu Matsuda, Yasushi Miyauchi
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Patent number: 5714382Abstract: A synthetic plasmid in which DNA encoding protein of a feline interferon is integrated, a transformant obtainable by the transformation of a host cell by the use of the synthetic plasmid and a feline interferon having a biological activity given by a protein carrying a specific amino acid sequence, a feline interferon gene encoding the feline interferon, a feline interferon precursor comprised of a cleavable peptide or a signal peptide being linked to the N terminal of the feline interferon, a feline interferon precursor gene encoding the feline interferon precursor and a method for producing the feline interferon, which are applied to the mass production of a feline interferon to be used as a remedy for feline viral disease and tumor.Type: GrantFiled: June 5, 1995Date of Patent: February 3, 1998Assignee: Toray Industries, Ltd.Inventors: Akira Yanai, Naoko Nakamura, Susumu Matsuda
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Patent number: 5584678Abstract: A scroll type fluid machine has a pair of mutually engaged scrolls, one being made of an aluminum material, and the other being made hard. A wear amount of an engaging tip seal and end plate is reduced, and the growth of wear of both elements is equalized. Tip seals (47, 48) are provided at the tips of wraps (12, 16) of the pair of scrolls (10, 14) and are made of a composite plastic material composed of a polyphenylene sulfide as a base material and a carbon fiber, and other materials as filler. The carbon fiber composition rate of the tip seal material of the scroll (10) made of an aluminum material is made higher than the carbon fiber composition rate of the tip seal material of the other scroll (14) made of an aluminum material having a surface treatment or of a ferrous metal or of a ferrous metal having a surface treatment. Thereby the wear amount of each engaging tip seal (47, 48) and end plate (11, 15) is reduced, and simultaneously the growth of wear of both elements is equalized.Type: GrantFiled: September 13, 1995Date of Patent: December 17, 1996Assignee: Mitsubishi Jukogyo Kabushiki KaishaInventors: Katsumi Hirooka, Hiroyuki Kobayashi, Susumu Matsuda
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Patent number: 5508291Abstract: Purified feline interferon polypeptides are disclosed. A synthetic plasmid in which DNA encoding protein of a feline interferon is integrated, a transformant obtainable by the transformation of a host cell by the use of the synthetic plasmid and a feline interferon having a biological activity given by a protein carrying a specific amino acid sequence, a feline interferon gene encoding the feline interferon, a feline interferon precursor comprised of a cleavable peptide or a signal peptide being linked to the N terminal of the feline interferon, a feline interferon precursor gene encoding the feline interferon precursor and a method for producing the feline interferon, which are applied to the mass production of a feline interferon to be used as a remedy for feline vital disease and tumor.Type: GrantFiled: December 29, 1988Date of Patent: April 16, 1996Assignee: Toray Industries, Inc.Inventors: Akira Yanai, Naoko Nakamura, Susumu Matsuda