Patents by Inventor Shirun Ho
Shirun Ho 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: 10783184Abstract: A computer includes a data generation unit and a storage unit which retains graph information for managing a graph configured from a plurality of vertexes and sides. The data generation unit performs acquiring a plurality of data and graph information and assuring storage regions in number equal to the number of vertexes, converting each data into an input value and setting at least one input value to a storage region corresponding to at least one vertex, executing an updating process for updating a value set to a storage region corresponding to a first vertex using the value set to the storage region corresponding to the first vertex and a value set to a storage region corresponding to a different vertex directly connected to the first vertex, and outputting a set of values set to the storage regions corresponding to the vertexes as the feature value.Type: GrantFiled: May 12, 2017Date of Patent: September 22, 2020Assignee: HITACHI, LTD.Inventors: Junichi Miyakoshi, Masanao Yamaoka, Hiromasa Takahashi, Shirun Ho, Kenzo Kurotsuchi, Sanato Nagata
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Patent number: 10338046Abstract: An object of the present invention is to provide an artificial olfactory sensing system capable of sniffing out various odors highly sensitively. The artificial olfactory sensing system includes: plural sensor cells on a lipid membrane of each of which olfactory receptors have developed; and plural ion-sensitive field-effect transistors (ISFETs) that correspondingly exist to the sensor cells on a one-on-one basis. A response signal showing that each of the olfactory receptors of each of the sensor cells has recognized an odor molecule is converted into an electric signal by an ISFET corresponding to each of the sensor cells.Type: GrantFiled: January 15, 2016Date of Patent: July 2, 2019Assignee: HITACHI, LTD.Inventors: Masahiko Ando, Sanato Nagata, Shirun Ho, Yuji Suwa, Mitsuharu Tai, Kenzo Kurotsuchi, Hiromasa Takahashi, Norifumi Kameshiro, Seiichi Suzuki
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Publication number: 20180267005Abstract: An object of the present invention is to provide an artificial olfactory sensing system capable of sniffing out various odors highly sensitively. The artificial olfactory sensing system includes: plural sensor cells on a lipid membrane of each of which olfactory receptors have developed; and plural ion-sensitive field-effect transistors (ISFETs) that correspondingly exist to the sensor cells on a one-on-one basis. A response signal showing that each of the olfactory receptors of each of the sensor cells has recognized an odor molecule is converted into an electric signal by an ISFET corresponding to each of the sensor cells.Type: ApplicationFiled: January 5, 2015Publication date: September 20, 2018Applicant: Hitachi, Ltd.Inventors: Masahiko ANDO, Sanato NAGATA, Shirun HO, Yuji SUWA, Mitsuharu TAI, Kenzo KUROTSUCHI, Hiromasa TAKAHASHI, Norifumi KAMESHIRO, Seiichi SUZUKI
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Publication number: 20180004860Abstract: A computer includes a data generation unit and a storage unit which retains graph information for managing a graph configured from a plurality of vertexes and sides. The data generation unit performs acquiring a plurality of data and graph information and assuring storage regions in number equal to the number of vertexes, converting each data into an input value and setting at least one input value to a storage region corresponding to at least one vertex, executing an updating process for updating a value set to a storage region corresponding to a first vertex using the value set to the storage region corresponding to the first vertex and a value set to a storage region corresponding to a different vertex directly connected to the first vertex, and outputting a set of values set to the storage regions corresponding to the vertexes as the feature value.Type: ApplicationFiled: May 12, 2017Publication date: January 4, 2018Inventors: Junichi MIYAKOSHI, Masanao YAMAOKA, Hiromasa TAKAHASHI, Shirun HO, Kenzo KUROTSUCHI, Sanato NAGATA
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Publication number: 20180003663Abstract: There is a provided a chemical sensor that includes a semiconductor substrate of a first conductivity type, a first electrode that is formed on a front surface of the semiconductor substrate, a second electrode that is disposed to face the first electrode in a vertical direction, a flow path in which a liquid or a gas can flow between the first electrode and the second electrode, and a chemical substance capturing portion that is disposed in at least a partial region between the first electrode and the second electrode in the flow path, and bonded with a predetermined chemical substance, and in which a distance between the first electrode and the second electrode is set to be 2 nm or more and 200 nm or less, and a change in dielectric constant between the first electrode and the second electrode is detected.Type: ApplicationFiled: May 12, 2017Publication date: January 4, 2018Inventors: Norifumi KAMESHIRO, Hiromasa TAKAHASHI, Sanato NAGATA, Shirun HO
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Publication number: 20160326279Abstract: As a method for improving the service life of a Li-ion battery, a supramolecular structure of acrylic acid which is a polymer formed by aggregating m number (an aggregation degree of m) of single chains each including n number (a polymerization degree of n) of acrylic acid monomers connected to each other, and has a constricted (narrowing) channel structure in which the single chains are arranged in a circle on the xy plane, a main chain is oriented along the direction of a central axis in the z direction, and a carboxyl group in a side chain is oriented along a direction perpendicular to the central axis in the z direction is used. As a result of an interaction between this constricted channel structure and an organic solvent molecule, the organic solvent molecule is captured inside the constricted channel structure, and the diffusion of the organic solvent molecule is inhibited.Type: ApplicationFiled: February 6, 2014Publication date: November 10, 2016Inventor: Shirun HO
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Publication number: 20160239586Abstract: In a method of predicting a lifetime of a lithium-ion battery, measurement data ?exp of a capacity retention ? vs the number of charge and discharge cycles Ni in the lithium-ion battery is first input. Then, a physical parameter p such as a reaction velocity factor for allowing solvent molecules reduced and decomposed by a negative electrode to react with a lithium ion dissolved in a electrolyte solution to generate a precursor of a solid electrolyte inter-phase in the physical model is set in a physical model. Calculation data ?th of the capacity retention ? vs the number of charge and discharge cycles Ni in the physical model is calculated with the use of two or more diffusion coefficients DSEI and DpNE to the solvent molecules. A mean square error Oth (DSEI, DpNE) of the measurement data ?exp and the calculation data ?th in the number of charge and discharge cycles Ni are calculated.Type: ApplicationFiled: August 28, 2013Publication date: August 18, 2016Inventor: Shirun HO
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Patent number: 8145432Abstract: A simulation system that increases a polymer molecule binding prediction speed on a parallel and distributed computer system is provided.Type: GrantFiled: January 24, 2007Date of Patent: March 27, 2012Assignee: Hitachi, Ltd.Inventor: Shirun Ho
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Patent number: 8085220Abstract: A plasma display apparatus having a priming discharge region PDC partitioned from a display discharge cell DDC, by a traverse rib, at a side where the second electrode between the display discharge cell DDC adjacent in a row direction is adjacent; a second longitudinal rib partitioning the priming discharge region PDC; a third longitudinal rib, further partitioning a region partitioned by the second longitudinal rib into two sections; a convex electrode; and a gap connecting the display discharge cell DDC and the priming discharge cell PDC, wherein a sum of a width in a line direction of a nearly rectangular space region containing adjacent two priming discharge cells PDCs, and a pattern width of the second longitudinal rib is designed larger than a sum of a width in the row direction and a pattern width of the traverse rib.Type: GrantFiled: November 26, 2008Date of Patent: December 27, 2011Assignee: Hitachi, Ltd.Inventors: Shunichiro Nobuki, Norihiro Uemura, Masakazu Sagawa, Keizo Suzuki, Yoshiro Mikami, Hideto Momose, Shirun Ho
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Publication number: 20110062866Abstract: A protective layer has, on its back side, an electron emissive layer formed of magnesium oxide crystals. Based on a front view of discharge cells C, there are defined intersection regions (first regions) where display electrode pairs (each including a sustain electrode X and a scan electrode Y) and address electrodes Z intersect and a remaining region (a second region) E1 excluding the intersection regions. The surface density of the magnesium oxide crystals forming the electron emissive layer over the intersection regions (the first regions) is equal to or lower than half the surface density of the magnesium oxide crystals forming the electron emissive layer over the remaining region (the second region) E1 excluding the intersection regions.Type: ApplicationFiled: August 5, 2010Publication date: March 17, 2011Applicant: HITACHI CONSUMER ELECTRONICS CO., LTD.Inventors: Takeshi TAMAKOSHI, Mitsuharu IKEDA, Keizo SUZUKI, Shirun HO, Yoshiro MIKAMI
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Patent number: 7729892Abstract: Provided is a method for reducing the amount of calculation time required for parameter determination, and for reducing the amount of calculation time required for parameter determination in satisfaction with a desired accuracy. The method includes preferentially selecting analysis objects, which are capable of providing parameter determination within a high degree of certainty, and controlling a calculation order of the selected analysis objects using a calculation order list.Type: GrantFiled: May 30, 2007Date of Patent: June 1, 2010Assignee: Hitachi, Ltd.Inventors: Motoi Tobita, Shirun Ho
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Publication number: 20100096975Abstract: In order to reduce the discharge delay time and increase the image quality in a display device such as a PDP using ultraviolet light emission produced by discharge, there is provided a display device including: a front panel and a rear panel disposed opposite to each other with discharge spaces formed therebetween, and a discharge gas being injected into the discharge spaces; at least a pair of electrodes for performing a display discharge; and phosphor layers emitting visible light by using ultraviolet light emission produced by discharge of the discharge gas. At least one of the compounds represented by the composition formulas Cs(1?x)M1xAl02 (where M1 is the I group element, 0?5x<1) and Cs(1?x)M2xAl(1+x)O(2+2x) (where M2 is the II group element, 0?x<1) is present in any of the components constituting the discharge spaces of the display device.Type: ApplicationFiled: October 14, 2009Publication date: April 22, 2010Applicant: HITACHI CONSUMER ELECTRONICS CO., LTD.Inventors: Shin IMAMURA, Tatsuya MIYAKE, Shunsuke MORI, Kazutaka TSUJI, Keizo SUZUKI, Toshiaki KUSUNOKI, Mitsuharu IKEDA, Shirun HO
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Publication number: 20090284521Abstract: A plasma display device of high luminous efficiency is provided. In a plasma display device for performing driving including at least an address period and a sustain-discharge period for emission display, the sustain-discharge period includes a pulse application period and an open period, a voltage of an electrode to which a relatively positive voltage is applied in a sustain-discharge electrode pair in a pulse application period immediately before the open period is set as Vsp, and the voltage of the other electrode is set as Vsn, Vsp-Vsn has a significantly negative value in the open period, and light is emitted by a discharge in the open period.Type: ApplicationFiled: July 22, 2009Publication date: November 19, 2009Inventors: Kenichi YAMAMOTO, Keizo Suzuki, Hiroshi Kajiyama, Shirun Ho, Tomokatsu Kishi, Kyoji Kariya
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Publication number: 20090230836Abstract: Provided is a display device such as a plasma display device including a front plate and a rear plate arranged opposing to each other to form a discharge space, where a discharge gas filled inside the discharge space, and at least a pair of electrodes for performing a display discharge and a phosphor layer for emitting visible light by an ultraviolet ray emission by the discharge of the discharge gas are provided. Inside the discharge space, a material whose main composition is alumina oxychloride of a group IIa metal and/or a group IIb metal is at least partly contained. Accordingly, a sustain discharge voltage can be reduced.Type: ApplicationFiled: February 24, 2009Publication date: September 17, 2009Inventors: Shin Imamura, Shunsuke Mori, Tatsuya Miyake, Hideto Momose, Kazutaka Tsuji, Ryo Inoue, Shirun Ho, Keizo Suzuki
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Publication number: 20090225008Abstract: A plasma display apparatus having a priming discharge region PDC partitioned from a display discharge cell DDC, by a traverse rib, at a side where the second electrode between the display discharge cell DDC adjacent in a row direction is adjacent; a second longitudinal rib partitioning the priming discharge region PDC; a third longitudinal rib, further partitioning a region partitioned by the second longitudinal rib into two sections; a convex electrode; and a gap connecting the display discharge cell DDC and the priming discharge cell PDC, wherein a sum of a width in a line direction of a nearly rectangular space region containing adjacent two priming discharge cells PDCs, and a pattern width of the second longitudinal rib is designed larger than a sum of a width in the row direction and a pattern width of the traverse rib.Type: ApplicationFiled: November 26, 2008Publication date: September 10, 2009Inventors: Shunichiro Nobuki, Norihiro Uemura, Masakazu Sagawa, Keizo Suzuki, Yoshiro Mikami, Hideto Momose, Shirun Ho
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Publication number: 20090184895Abstract: A high-definition, high-quality, and high-contrast PDP that features high brightness, guaranteed long life, and stable driving, is provided by improving the time-dependent degradation of address discharge delay. The PDP includes: a front substrate having bus electrodes, and sustain discharge electrodes extending in a lateral direction of the bus electrodes to form display lines; a back substrate having address electrodes facing the sustain discharge electrodes in the lateral direction of the bus electrodes; and discharge cells formed between the substrates. Each of the discharge cells includes a sustain discharge cell and a priming discharge cell, in which a protruding electrode is formed to extend in a direction opposite to the discharge gap from the bus electrode, and a predetermined space is provided between the two cells to supply priming. The shape and size of the space are optimized so that the sustain discharge does not spread to the address discharge cell through the space.Type: ApplicationFiled: December 29, 2008Publication date: July 23, 2009Inventors: Norihiro Uemura, Shunichiro Nobuki, Masakazu Sagawa, Shirun Ho, Keizo Suzuki, Yoshiro Mikami
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Publication number: 20090153050Abstract: A high-quality long-life plasma display panel is provided by enabling compatibility between priming-electron emission characteristics, and other characteristics such as sputtering resistance, secondary electron emission characteristics, and wall charge retention. The plasma display panel is structured to include a front substrate, transparent electrodes and bus electrodes provided on the inner side of the front substrate, a dielectric layer covering these electrodes, a first protective layer covering the dielectric layer, and a second protective layer disposed on the side closer to the discharge space than the first protective layer. The first protective layer is doped with Sc to generate a predetermined excitation light by incidence of ultraviolet light. The second protective layer is doped with Si to emit electrons to the discharge space by the excitation light. With this structure, it is possible to realize a plasma display device in which the discharge delay is small, thereby the fluctuation less occurs.Type: ApplicationFiled: December 16, 2008Publication date: June 18, 2009Inventors: Kazutaka Tsuji, Ryo Inoue, Shunsuke Mori, Masaaki Komatsu, Tatsuya Miyake, Keizo Suzuki, Hideto Momose, Shirun Ho
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Publication number: 20090079672Abstract: There is provided a PDP, in which the deterioration in the address discharge timelag with age is suppressed, which is bright, has guaranteed life, can stably be driven, is of low power consumption, high definition, and high image quality. There is provided a pair of sustaining discharge electrodes on the front substrate extending in a row direction for forming a display line, a floating electrode not connected to an external electrode is arranged on the same substrate as the pair of sustaining discharge electrode so as not to pass through a center line extending in a column direction and dividing the discharge cell into two equal parts, thereby intensifying the local potential of an area of the MgO surface not influenced by the sputtering by the sustaining discharge in the address discharge, promoting the electron emission from this area, and suppressing the deterioration of the address discharge timelag.Type: ApplicationFiled: July 18, 2008Publication date: March 26, 2009Inventors: Norihiro UEMURA, Shunichiro Nobuki, Shirun Ho, Keizo Suzuki, Masatoshi Shiiki
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Publication number: 20090037151Abstract: Provided is a design method of binding energy for polymer molecule, including: receiving a reference binding structure of a complex including a protein in a hydration state and a compound; setting an optimum structure of an unbound protein in a solution; searching for a local minimum value in a binding energy in a search region after removing the water molecules from the protein, and selecting Nh candidate binding structures; adding the removed water molecules, carrying out structure optimization for the compound, protein, and complex in the solution, and selecting NS candidate binding structures; calculating entropy in the solution for the candidate binding structures for which the structure optimization for the protein and the compound in the solution has been carried out for the selected candidate binding structures; and determining a complex structure having a minimum free energy, which is a sum of the binding energy and an entropy energy.Type: ApplicationFiled: July 29, 2008Publication date: February 5, 2009Inventor: Shirun HO
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Publication number: 20070288175Abstract: Provided is a method for reduction of calculation amount required for parameter determination, and for reduction of calculation amount required for parameter determination satisfying desired accuracy. It is a method for preferentially selecting analysis objects, which are capable of providing parameter determination in high degree of certainty, and for controlling calculation order of the selected analysis objects using a calculation order list.Type: ApplicationFiled: May 30, 2007Publication date: December 13, 2007Inventors: Motoi Tobita, Shirun Ho