Patents by Inventor Tsutomu Yamanaka
Tsutomu Yamanaka 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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Publication number: 20060279274Abstract: Each channel comprises: an AD converter which converts a signal value of a corresponding input signal into a digital value in response to a received sampling clock; a counter which counts the pulses of the sampling clock; memory which sequentially stores the digital values at addresses corresponding to the counted values of the counter; a transmission/reception unit which outputs the counted value of the counter at a point in time at which acquisition of the waveform of the input signal is to be started in a case that the channel is set to be a main channel beforehand, and which receives the start data counted value from the main channel in a case that the channel is set to be a sub-channel; and an output unit which sequentially outputs the digital values stored in the memory with the digital value stored at the address corresponding to the start data counted value as the start data.Type: ApplicationFiled: March 23, 2006Publication date: December 14, 2006Applicant: Advantest CorporationInventor: Tsutomu Yamanaka
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Patent number: 6805989Abstract: The surface of highly conductive iron, copper, aluminum, magnesium, or alloy thereof is covered with highly corrosion-resistant titanium or titanium alloy through plastic working by rolling or extrusion to form a cladding material. At least one surface of the cladding material is covered with a carbon material to form a separator for a solid polymer electrolyte fuel cell. By virtue of the above constitution, the separator for a solid polymer electrolyte fuel cell has good workability and, at the same time, can surely maintain or improve electrical conductivity and corrosion resistance.Type: GrantFiled: March 26, 2002Date of Patent: October 19, 2004Assignee: Hitachi Cable, Ltd.Inventors: Masahiro Seido, Tatsuya Tonogi, Tsutomu Yamanaka
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Publication number: 20040063443Abstract: A message supply system in which a sender, a database, a spacecraft, a spacecraft tracking control device and a recipient are interconnected via a communication network, a message of the sender is stored in at least one of the spacecraft navigating while being acquired in position by the tracking control device and the database on the earth, and the message stored in the spacecraft or the database is supplied to the recipient together with details and positional data of the spacecraft at a date designated by the sender.Type: ApplicationFiled: October 15, 2003Publication date: April 1, 2004Inventor: Tsutomu Yamanaka
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Publication number: 20020192527Abstract: The surface of highly conductive iron, copper, aluminum, magnesium, or alloy thereof is covered with highly corrosion-resistant titanium or titanium alloy through plastic working by rolling or extrusion to form a cladding material. At least one surface of the cladding material is covered with a carbon material to form a separator for a solid polymer electrolyte fuel cell. By virtue of the above constitution, the separator for a solid polymer electrolyte fuel cell has good workability and, at the same time, can surely maintain or improve electrical conductivity and corrosion resistance.Type: ApplicationFiled: March 26, 2002Publication date: December 19, 2002Applicant: HITACHI CABLE, LTD.Inventors: Masahiro Seido, Tatsuya Tonogi, Tsutomu Yamanaka
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Patent number: 5318969Abstract: A benzopyran compound of the general formula (I) ##STR1## wherein A represents --OR.sup.1 or --NH--COR.sup.2 ; R.sup.3 represents hydrogen, a lower alkyl, a lower alkoxy, amino, a mono- or di-lower alkylamino, an amino-lower alkyl, a hydroxy-lower alkyl, a halo-lower alkyl, a lower alkoxy-lower alkyl, an acyloxy-lower alkyl, a lower alkoxycarbonyl-lower alkyl, an aryl or a heteroaryl, or R.sup.2 and R.sup.3 combinedly together form an alkylene having 1 to 2 carbon atoms; R.sup.4 and R.sup.5 are the same or different, and respectively represent hydrogen or a lower alkyl, or combinedly together form an alkylene having 2 to 5 carbon atoms; R.sup.6 represents hydroxyl group, formyloxy, an alkanoyloxy, a haloalkanoyloxy, a lower alkoxycarbonyloxy, an aroyloxy, a heteroaroyloxy, carbamoyloxy, a mono- or di-lower alkylcarbamoyloxy and R.sup.7 represents hydrogen, or R.sup.6 and R.sup.Type: GrantFiled: June 11, 1992Date of Patent: June 7, 1994Assignee: Yoshitomi Pharmaceutical Industries, Ltd.Inventors: Tsutomu Yamanaka, Toshio Seki, Tohru Nakajima, Osamu Yaoka
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Patent number: 5273998Abstract: The present invention provides an industrially valuable method for preparing an optically active 3,4-dihydro-3,4-epoxy-2H-1-benzopyran compound which is useful as a starting material for an optically active benzopyran compound with antihypertensive, coronary blood flow-increasing activities and the like, provides a diastereomeric ester compound which is useful as an intermediate for said epoxy compound and also provides a use of said diastereomeric ester compound in making of said epoxy compound, and further an optically active benzopyran compound which is useful as medicine.Type: GrantFiled: October 19, 1992Date of Patent: December 28, 1993Assignee: Yoshitomi Pharmaceutical Industries, Ltd.Inventor: Tsutomu Yamanaka
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Patent number: 5177216Abstract: The present invention provides a new diastereomer ester compound which is useful as an intermediate in the making of an optically active 3,4-dihydro-3,4-epoxy-2H-1-benzopyran compound.Type: GrantFiled: May 13, 1991Date of Patent: January 5, 1993Assignee: Yoshitomi Pharmaceutical Industries, Ltd.Inventor: Tsutomu Yamanaka
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Patent number: 5162553Abstract: The present invention provides an industrially valuable method for preparing an optically active 3,4-dihydro-3,4-epoxy-2H-1-benzopyran compound which is useful as a starting material for an optically active benzopyran compound with antihypertensive, coronary blood flow-increasing activities and the like, and also provides a diastereometric ester compound with a 3-halo-4-hydroxy-2H-1-benzopyran compound which is useful as an intermediate for said epoxy compound.Type: GrantFiled: June 19, 1991Date of Patent: November 10, 1992Assignee: Yoshitomi Pharmaceutical Industries, Ltd.Inventors: Shinro Setoguchi, Mineo Tsuruda, Chiaki Kitami, Tsutomu Yamanaka
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Patent number: 5143936Abstract: A benzopyran compound of the general formula (I) ##STR1## wherein A represents --OR.sup.1 or --NH--COR.sup.2 (wherein R.sup.1 represents hydrogen, a lower alkyl, formyl, an alkanoyl, an aroyl or an aralkyl and R.sup.2 represents hydrogen, a lower alkyl, a lower alkoxy, amino, mono- or di-lower alkylamino, an amino-lower alkyl, a hydroxy-lower alkyl, a halo-lower alkyl, a lower alkoxy-lower alkyl, an acyloxy-lower alkyl, a lower alkoxycarbonyl-lower alkyl, an aryl or a heteroaryl); R.sup.3 represents hydrogen, a lower alkyl, a lower alkoxy, amino, a mono- or di-lower alkylamino, an amino-lower alkyl, a hydroxy-lower alkyl, a halo-lower alkyl, a lower alkoxy-lower alkyl, an acyloxy-lower alkyl, a lower alkoxycarbonyl-lower alkyl, an aryl or a heteroaryl, or R.sup.2 and R.sup.3 combinedly together form an alkylene having 1 to 2 carbon atoms; R.sup.4 and R.sup.5 are the same or different, and respectively represent hydrogen or a lower alkyl, or combinedly together form an alkylene having 2 to 5 carbon atoms; R.Type: GrantFiled: March 21, 1991Date of Patent: September 1, 1992Assignee: Yoshitomi Pharmaceutical Industries, Ltd.Inventors: Tsutomu Yamanaka, Toshio Seki, Tohru Nakajima, Osamu Yaoka
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Patent number: 5066816Abstract: The present invention provides an industrially valuable method for preparing an optically active 3,4-dihydro-3,4-epoxy-2H-1-benzopyran compound which is useful as a starting material for an optically active benzopyran compound with antihypertensive, coronary blood flow-increasing activities and the like, and also provides a diastereomeric ester compound with a 3-halo-4-hydroxy-2H-1-benzopyran compound which is useful as an intermediate for said epoxy compound.Type: GrantFiled: February 28, 1990Date of Patent: November 19, 1991Assignee: Yoshitomi Pharmaceutical Industries, Ltd.Inventors: Shinro Setoguchi, Mineo Tsuruda, Chiaki Kitami, Tsutomu Yamanaka
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Patent number: 5021432Abstract: A benzopyran compound of the general formula (I) ##STR1## wherein A represents --OR.sup.1 or --NH--COR.sup.2 (wherein R.sup.1 represents hydrogen, a lower alkyl, formyl, an alkanoyl, an aroyl or an aralkyl and R.sup.2 represents hydrogen, a lower alkyl, a lower alkoxy, amino, mono- or di-lower alkylamino, an amino-lower alkyl, a hydroxy-lower alkyl, a halo-lower alkyl, a lower alkoxy-lower alkyl, an acyloxy-lower alkyl, a lower alkoxy-carbonyl-lower alkyl, an aryl or a heteroaryl); R.sup.3 represents hydrogen, a lower alkyl, a lower alkoxy, amino, a mono- or di-lower alkylamino, an amino-lower alkyl, a hydroxy-lower alkyl, a halo-lower alkyl, a lower alkoxy-lower alkyl, an acyloxy-lower alkyl, a lower alkoxycarbonyl-lower alkyl, an aryl or a heteroaryl, or R.sup.2 and R.sup.3 combinedly together form an alkylene having 1 to 2 carbon atoms; R.sup.4 and R.sup.5 are the same or different, and respectively represent hydrogen or a lower alkyl, or combinedly together form an alkylene having 2 to 5 carbon atoms; R.Type: GrantFiled: April 19, 1989Date of Patent: June 4, 1991Assignee: Yoshitomi Pharmaceutical Industries, Ltd.Inventors: Tsutomu Yamanaka, Toshio Seki, Tohru Nakajima, Osamu Yaoka
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Patent number: 4713381Abstract: An oxodiazine compound of the formula: ##STR1## or a pharamceutically acceptable acid addition salt thereof, wherein each of R.sup.1 and R.sup.2 is hydrogen, halogen, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, C.sub.1-4 alkoxy-C.sub.1-4 alkoxy, phenyl-C.sub.1-4 alkyl-oxy which may be optionally substituted by at least one substituent selected from the group consisting of halogen, C.sub.1-4 alkyl and C.sub.1-4 alkoxy on the phenyl nucleus, or phenyl which may be substituted by at least one substituent selected from the group consisting of halogen, C.sub.1-4 alkyl and C.sub.1-4 alkoxy on the phenyl nucleus; X is --S--, --CH.dbd.N-- or --C(R.sup.3).dbd.C(R.sup.4)--, where each of R.sup.3 and R.sup.4 is hydrogen, halogen, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, C.sub.1-4 alkoxy-C.sub.1-4 alkoxy or phenyl-C.sub.1-4 alkyl-oxy which may be optionally substituted by at least one substituent selected from the group consisting of halogen, C.sub.1-4 alkyl and C.sub.Type: GrantFiled: May 27, 1986Date of Patent: December 15, 1987Assignee: Yoshitomi Pharmaceutical Industries, Ltd.Inventors: Hideki Ao, Minoru Obata, Tsutomu Yamanaka, Hiroshi Mikashima
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Patent number: 4709095Abstract: Ortho-aminomethylphenol compounds of the formula: ##STR1## wherein X is hydrogen or halogen, R is hydrogen or alkyl having 1 to 4 carbon atoms and A is alkyl having 1 to 4 carbon atoms, phenyl, benzyl or a bivalent radical selected from --(CH.sub.2).sub.3 -- and --O(CH.sub.2).sub.2 -- and joined together with the 3 or 5 position of the benzene nucleus to form a bicycle, or pharmaceutically acceptable salts thereof, a method of preparing said compounds and a pharmaceutical composition containing said compounds, are disclosed.Such compounds exhibit antiinflammatory, analgesic, diuretic and antihypertensive activities, so they are useful in the treatment for diseases caused by inflammation, edema or hypertension.Type: GrantFiled: March 25, 1986Date of Patent: November 24, 1987Assignee: Yoshitomi Pharmaceutical Industries, Ltd.Inventors: Tsutomu Yamanaka, Osamu Yaoka
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Patent number: 4365066Abstract: Oxazoleacetic acid derivatives of the formula ##STR1## and salts thereof wherein R.sup.1 is a higher alkyl group having 10 to 20 carbon atoms, a higher alkenyl group, a benzyl group or a halogen substituted benzyl group; X is O, S or NH; R.sup.2 is a lower alkyl group, a phenyl group or a halogen-substituted phenyl group and R.sup.3 is a hydrogen atom or a lower alkyl group, having a hypolipidemic activity.Type: GrantFiled: July 28, 1981Date of Patent: December 21, 1982Assignee: Yoshitomi Pharmaceutical Industries Ltd.Inventors: Tsutomu Yamanaka, Mitsuharu Sano, Hiroshi Yasuda
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Patent number: 4175130Abstract: Oxazole- and thiazole-alkanoic acid compounds useful as drugs for the treatment of atherosclerosis with lipid metabolism disorder, and having the formula: ##STR1## wherein R is a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, an aralkyl group, a pyridylmethyl group or a tocopheryl group; each of R.sup.1 and R.sup.2 is a hydrogen atom or a halogen atom; R.sup.3 is a hydrogen atom, a halogen atom or an alkyl group having 1 to 4 carbon atoms; R.sup.4 is a hydrogen atom, a halogen atom, a nitro group, an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms or a trifuloromethyl group; each of X and Y is an oxygen atom or a sulfur atom; and A is a straight or branched alkylene group having 1 to 4 carbon atoms, and pharmaceutically acceptable salts thereof are disclosed.Type: GrantFiled: March 22, 1978Date of Patent: November 20, 1979Assignee: Yoshitomi Pharmaceutical Industries, Ltd.Inventors: Tsutomu Yamanaka, Hiroshi Yasuda, Kunio Osuga
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Patent number: 4053478Abstract: 2,5-Di-substituted 4-oxazolealkanoic acids and esters thereof of the formula: ##STR1## WHEREIN M REPRESENTS AN INTEGER OF 1 TO 2; R.sup.1 represents an alkyl group having 1 to 4 carbon atoms; n represents an integer of 1 to 2; R represents a mono- or di-substituted phenyl group (in which the substituents are selected from the group consisting of a halogen atom, a methyl group, a methoxy group, a nitro group, a trifluoromethyl group, a phenyl group, a halogen-substituted phenyl group, a phenoxy group and a halogen-substituted phenoxy group), a pyridyl group, a halogen-substituted pyridyl group, a furyl group, a halogen-substituted furyl group, a thienyl group, a halogen-substituted thienyl group, a naphthyl group or a halogen-substituted naphthyl group; when m represents an integer of 1, Y represents an hydrogen atom, an alkyl group having 1 to 2 carbon atoms, a benzyl group or a pyridylmethyl group; and when m represents an integer of 2, Y represents a trimethylene group.Type: GrantFiled: December 8, 1976Date of Patent: October 11, 1977Assignee: Yoshitomi Pharmaceutical Industries, Ltd.Inventors: Tsutomu Yamanaka, Toshihiro Kobayakawa, Mitsuhiro Konishi, Kuniki Ikeda
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Patent number: 4012412Abstract: 2,5-Di-substituted 4-oxazolealkanoic acids and esters thereof of the formula: ##STR1## WHEREIN M REPRESENTS AN INTEGER OF 1 TO 2; R.sup.1 represents an alkyl group having 1 to 4 carbon atoms; n represents an integer of 1 to 2; R represents a mono- or di-substituted phenyl group (in which the substituents are selected from the group consisting of a halogen atom, a methyl group, a methoxy group, a nitro group, a trifluoromethyl group, a phenyl group, a halogen-substituted phenyl group, a phenoxy group and a halogen-substituted phenoxy group), a pyridyl group, a halogen-substituted pyridyl group, a furyl group, a halogen-substituted furyl group, a thienyl group, a halogen-substituted thienyl group, a naphthyl group or a halogen-substituted naphthyl group; when m represents an integer of 1, Y represents an hydrogen atom, an alkyl group having 1 to 2 carbon atoms, a benzyl group or a pyridylmethyl group; and when m represents an integer of 2, Y represents a trimethylene group.Type: GrantFiled: March 12, 1975Date of Patent: March 15, 1977Assignee: Yoshitomi Pharmaceutical Industries, Ltd.Inventors: Tsutomu Yamanaka, Toshihiro Kobayakawa, Mitsuhiro Konishi, Kuniki Ikeda