Patents Assigned to The Institute of Physical and Chemical Research
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Patent number: 6517696Abstract: An electrode plate of a sample plate is set on the body of an electrophoretic apparatus, while a plug is inserted into a migration high voltage line connection hole and connected to a high-tension distribution cable. Each well of a base plate is inserted into a through hole of a well guide and further press-fit and engaged into a cavity of an electrode plate, for fixing the base plate to the electrode plate. Thereafter a sample is introduced into each well of the base plate and an end of a capillary column is dipped into each well for applying a migration voltage and electrophoretically injecting the sample into the capillary column.Type: GrantFiled: October 26, 1999Date of Patent: February 11, 2003Assignees: The Institute of Physical and Chemical Research, Shimadzu Corporation, Japan Science and Technology CorporationInventors: Yoshihide Hayashizaki, Shin Nakamura, Makoto Hazama, Hideshi Fujiwake
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Patent number: 6514743Abstract: The present invention relates to a polypeptide comprising the amino acid sequence of SEQ ID NO:1 or an amino acid sequence having one or more amino acids deleted, replaced or added. The polypeptide further comprises polyester synthase activity. The invention further relates to a polyester synthase gene comprising DNA coding for a polypeptide, a recombinant vector comprising the gene, and a transformant transformed with the recombinant vector.Type: GrantFiled: November 19, 2001Date of Patent: February 4, 2003Assignees: Japan Science and Technology Corporation, The Institute of Physical and Chemical ResearchInventors: Yoshiharu Doi, Toshiaki Fukui, Hiromi Matsusaki
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Patent number: 6508923Abstract: A data processing part comprises a time-series data production part for producing time-series data as to each capillary column from a scan waveform obtained by an optical measuring part, further comprises a correction data storage part for storing correction data indicating the relation between the number of data points of saturated parts and light intensity data obtained on the assumption that a peak is unsaturated as to a saturated scan waveform peak and a saturated data correction part obtaining light intensity data as to the saturated peak included in the scan waveform on the basis of the correction data stored in the correction data storage part, and employs the light intensity data obtained by the saturated data correction part as the time-series data.Type: GrantFiled: May 9, 2000Date of Patent: January 21, 2003Assignees: Shimadzu Corporation, The Institute of Physical and Chemical ResearchInventors: Yoshihide Hayashizaki, Akira Harada
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Patent number: 6500637Abstract: The present invention relates to neurogenesis inducing genes. In particular, the present invention provides neurogenesis inducing genes coding for Zic proteins, vectors containing such genes, host cells containing such vectors, proteins produced by such host cells, antibodies raised to such proteins, and therapeutic agents or agents for gene therapy for nervous diseases.Type: GrantFiled: June 29, 1999Date of Patent: December 31, 2002Assignee: The Institute of Physical and Chemical ResearchInventors: Katsuhiko Mikoshiba, Jun Aruga, Takeharu Nagai, Katsunori Nakata
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Patent number: 6482938Abstract: Disclosed are compounds having two kinds of reporters that can be a donor and an acceptor for energy transfer, for example, fluorescent groups, and having a 2′, 3′-dideoxyribonucleotide residue or a 3′-deoxyribonucleotide residue. These compounds can be used as terminators for the chain terminator method. The two kinds of reporters are arranged with a distance sufficient for causing energy transfer from the donor to the acceptor. Also disclosed are methods for determining DNA sequences based on the chain terminator method wherein the chain termination reaction is performed by using the above terminators. Also disclosed are compounds having two kinds of reporters that can be a donor and an acceptor for energy transfer, which can be used as a primer or an initiator in methods for determining DNA sequences utilizing the chain terminator method, and methods for determining DNA sequences utilizing the compounds.Type: GrantFiled: September 17, 1999Date of Patent: November 19, 2002Assignees: Wako Pure Chemical Industries, Ltd., The Institute of Physical & Chemical ResearchInventors: Yoshihide Hayashizaki, Takumi Tanaka
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Patent number: 6461492Abstract: A multi-capillary electrophoresis apparatus arranged with a fixed sample injection holder opposite a detection side holder within the same plane and an epi-optical detection system. A sample is injected sequentially and separated components are successively fed to the detection part for analysis by fluorescence. The epi-optical system adjusts the parallelism between the detection side holder and scanning axis of the detector. Thus, a capillary electrophoretic apparatus can detect fluorescence from a fluorochrome bonded to samples as a label without influence by Raman scattering or Rayleigh scattering.Type: GrantFiled: November 19, 1999Date of Patent: October 8, 2002Assignees: The Institute of Physical and Chemical Research, Shimadzu CorporationInventors: Yoshihide Hayashizaki, Hideshi Fujiwake, Shin Nakamura
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Patent number: 6458556Abstract: A method for enhancing activity of enzyme at an elevated temperature which comprises adding a substance exhibiting chaperone function such as a saccharide to a reaction mixture containing the enzyme. The method can improve activity of enzymes more easily and more effectively and hence afford increased enzyme activity at an elevated temperature.Type: GrantFiled: July 23, 1997Date of Patent: October 1, 2002Assignee: The Institute of Physical & Chemical ResearchInventor: Yoshihide Hayashizaki
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Patent number: 6456636Abstract: An EL element and a laser luminescent element capable of emitting ultraviolet ray with high wave length purity. The ultraviolet electroluminescent element characterized in that: a thin film made from one of polymer and oligomer in which elements selected from Si, Ge, Sn, and Pb are directly bonded; the elements are selected from those that are the same with each other and those that are different from each other; the film is disposed between two electrodes; and at least one of the electrodes is transparent. The laser luminescent element characterized in that: a thin film made from one of polymer and oligomer in which elements selected from Si, Ge, Sn, and Pb are directly bonded is disposed between two electrodes; and the elements are selected from those that are the same with each other and those that are different from each other.Type: GrantFiled: November 16, 2000Date of Patent: September 24, 2002Assignee: The Institute of Physical & Chemical ResearchInventors: Shinya Koshihara, Kenzo Ebihara, Takashi Miyazawa, Mitsuo Kira, Toshihiro Suzuki
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Patent number: 6448554Abstract: From an ion source and accelerator an ion beam is generated, this ion beam is let go through a circular hole bored in the center of a detector and orifices to irradiate a sample in a sample chamber. The detector detects particles scattered from the sample and arrived at the detector through the orifices. With exhaust units and orifices, the region surrounding the detector is exhausted to be a prescribed degree of vacuum of higher vacuum than the inside of the sample chamber.Type: GrantFiled: May 28, 1999Date of Patent: September 10, 2002Assignee: The Institute of Physical and Chemical Research (Riken)Inventors: Masakazu Aono, Takane Kobayashi
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Patent number: 6432278Abstract: A method for controlling an index of refraction of silica glass, and in particular quartz glass, is disclosed. The method for controlling the index of refraction of silica glass includes the use of a vacuum ultraviolet laser beam having the same or shorter wavelength absorbable by the silica glass. The vacuum ultraviolet laser beam is irradiated to the silica glass to cause photodissociation of a Si—O bond at the point of irradiation. An index of refraction may also be altered using a vacuum ultraviolet laser beam having a longer wavelength absorbable by the silica glass.Type: GrantFiled: January 22, 2001Date of Patent: August 13, 2002Assignee: The Institute of Physical and Chemical ResearchInventors: Koji Sugioka, Shlomo Ruschin, Jie Zhang, Satoshi Wada, Hideo Tashiro, Koichi Toyoda
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Patent number: 6428670Abstract: A holder for a capillary cassette closes a chamber, and is fixed to a detection side holder fixing member. An acidic solution container, an alkaline solution container, a pure water container and a drain container are arranged on a reservoir stage having a dry chamber. A holder up/down mechanism and a stage moving mechanism successively bring an end of a capillary array into contact with an acidic solution, an alkaline solution, pure water and nitrogen gas, and the chamber is decompressed for successively introducing these into capillary columns and performing pretreatment. Thereafter a gel container is arranged in the chamber, which in turn is pressurized for charging the capillary columns with a gel.Type: GrantFiled: November 19, 1999Date of Patent: August 6, 2002Assignees: The Institute of Physical and Chemical Research, Shimadzu CorporationInventors: Yoshihide Hayashizaki, Rintaro Yamamoto
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Patent number: 6391611Abstract: The present invention relates to a polypeptide comprising the amino acid sequence of SEQ ID NO:1 or a sequence of SEQ ID NO:1 where in one or more amino acids are deleted, replaced or added, and the polypeptide having polyester synthase activity; a polyester synthase gene comprising DNA coding for the above polypeptide; a recombinant vector comprising the gene; and a transformant transformed with the recombinant vector is also provided.Type: GrantFiled: August 30, 1999Date of Patent: May 21, 2002Assignees: Japan Science and Technology Corporation, The Institute of Physical and Chemical ResearchInventors: Yoshiharu Doi, Toshiaki Fukui, Hiromi Matsusaki
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Patent number: 6372437Abstract: A method for preparing a CDNA from a mRNA using a reverse transcriptase wherein reverse transcription is performed at a temperature at which the mRNA does not take a secondary structure, for example, at a temperature of 45° C. or more. The method is performed, for example, using a heat-labile reverse transcriptase in the presence of a substance exhibiting chaperone function having chaperone function such as saccharides. The method is performed, for example, in the presence of metal ions necessary for activation of the reverse transcriptase and a chelating agent for the metal ions such as a deoxynucleotide triphosphate. The method is capable of reverse transcription over the full length of mRNA template even if the mRNA is a long chain mRNA and, as a result, producing a full length cDNA.Type: GrantFiled: March 13, 2001Date of Patent: April 16, 2002Assignee: The Institute of Physical & Chemical ResearchInventor: Yoshihide Hayashizaki
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Patent number: 6374194Abstract: A particle formation diagnosing system monitors the condition of particle formation in each of reaction chambers 1 of a semiconductor device fabricating line on the basis of data provided by a pressure measuring device 2a, a temperature measuring device 2b and a differential mobility analyzer 3 combined with each reaction chamber 1. The operation record recording unit 4a of the computer system 4 records data on the relation between the values of the operation parameters of each reaction chamber 1 and the amount of particles formed in the reaction chamber. Then, the operating condition determining unit 4b determines the optimum values for the operation parameters of the reaction chamber which will reduce the possibility of particle formation to the least possible extent on the basis of the data recorded by the operation record recording unit 4a.Type: GrantFiled: April 9, 1999Date of Patent: April 16, 2002Assignee: The Institute of Physical and Chemical ResearchInventor: Kazuo Takeuchi
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Patent number: 6365350Abstract: Disclosed are methods for determining DNA nucleotide sequences comprising reacting ribonucleoside 5′-triphosphates and 3′-dNTP derivatives in the presence of an RNA polymerase modified so as to enhance its ability for incorporating the 3′-dNTP derivatives and a DNA fragment containing a promoter sequence for the RNA polymerase to obtain a nucleic acid transcription product, separating the resulting nucleic acid transcription product, and determining a nucleic acid sequence from the resulting separated fraction. These methods can produce a transcription product of a long chain and afford more accurate sequence data where fluctuation of signals from labeled deoxyribonucleotides is reduced.Type: GrantFiled: November 10, 1999Date of Patent: April 2, 2002Assignee: The Institute of Physical and Chemical ResearchInventor: Yoshihide Hayashizaki
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Patent number: 6358919Abstract: A polymer compound or a salt thereof which comprises a biodegradable polymer such as polyglutamic acid acetylated at N-terminal thereof containing a glycosphingolipid such as lysoganglioside GM3, and which exerts antiviral activity against variety of viruses and is useful as an active ingredient of a medicament.Type: GrantFiled: July 6, 1998Date of Patent: March 19, 2002Assignee: The Institute of Physical and Chemical ResearchInventors: Osamu Kanie, Chi-Huey Wong, Hiroshi Kamitakahara
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Patent number: 6335014Abstract: A cancer metastasis inhibitor which comprises as an active ingredient an anti-tenascin monoclonal antibody which neutralizes the physiological functions of a tenascin by binding to the FGF-like domain and other domains of the tenascin and prevents the metastasis of cancer to other organs such as the lungs.Type: GrantFiled: June 17, 1998Date of Patent: January 1, 2002Assignees: The Institute of Physical and Chemical ResearchInventor: Moriaki Kusakabe
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Patent number: 6333156Abstract: Disclosed are a method which can simultaneously analyze a plurality of analytes and can realize the determination of the base sequence of a large quantity of gene information in a short time, and an apparatus for the method. The method comprises the steps of: preparing four samples, for each of a plurality of nucleic acid analytes, containing analyte nucleic acid-derived oligonucleotide fragments with the end bases having been base-specifically fragmented; labeling the oligonucleotide fragments with a different label for each of the analyte nucleic acids; and subjecting the four samples to an analytical method which can distinguish oligonucleotide fragments based on a difference in length of one base, thereby determining the base sequence of the target nucleic acids.Type: GrantFiled: July 16, 1999Date of Patent: December 25, 2001Assignees: The Institute of Physical and Chemical ResearchInventor: Yoshihide Hayashizaki
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Patent number: 6316242Abstract: There is disclosed a method for producing nitrile hydratase comprising culturing a transformant cell which is obtained by transforming a host cell of bacterium not belonging to the genus Rhodococcus with a vector (1) which contains a nucleotide sequence encoding at least the &agr; a chain and the &bgr; chain of nitrile hydratase, or the vector (1) and a vector (2) which contains a nucleotide sequence encoding at least the &bgr; chain of the nitrile hydratase, and collecting produced nitrile hydratase, wherein the culture of the transformant cell is performed at a temperature of 35° C. or less.Type: GrantFiled: August 5, 1999Date of Patent: November 13, 2001Assignee: The Institute of Physical and Chemical ResearchInventors: Isao Endo, Masafumi Yohda, Masafumi Odaka, Masaki Nojiri
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Patent number: 6294578Abstract: An insecticidal and miticidal composition is provided which comprises at least one fatty acid ester selected from the group consisting of glycerin monooleate, glycerin monolinolate, glycerin monocaprylate, glycerin mono/dioleate, glycerin di/trioleate, glycerin mono/dilinolate, glycerin mono/diricinoleate, glycerin diacetomonolaurate, sorbitan laurate, sorbitan oleate, diglycerin laurate, diglycerin oleate, diglycerin monolaurate, diglycerin monooleate, tetraglycerin oleate, hexaglycerin laurate, decaglycerin laurate, propylene glycol monolaurate, and propylene glycol monooleate; and a nonionic surfactant. The insecticidal and miticidal composition does not have phytotoxicity but has satisfactory long lasting effects even if it is used in a lower concentration.Type: GrantFiled: March 6, 1998Date of Patent: September 25, 2001Assignees: The Institute of Physical and Chemical ResearchInventors: Yutaka Arimoto, Isamu Yamaguchi