Patents by Inventor Hisashi Nakamura
Hisashi Nakamura 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: 20240286976Abstract: An ethylene production apparatus for producing ethylene from a methane-containing gas includes a ceramic membrane having at least one of oxide ion conductivity and proton conductivity; a first catalyst layer that is disposed on a first face of the ceramic membrane and includes a catalyst for accelerating oxidative-coupling-of-methane reaction; a methane supply unit that supplies the methane-containing gas to a space located on the same side as the first face of the ceramic membrane; and a charge transfer unit that transfers an electron from the first face to a second face of the ceramic membrane or transfers a hole from the second face to the first face. The ethylene production apparatus produces ethylene in the first catalyst layer upon supply of the methane-containing gas from the methane supply unit.Type: ApplicationFiled: June 16, 2022Publication date: August 29, 2024Applicant: NITERRA CO., LTD.Inventors: Shuntaro WATANABE, Yosuke NAKAMURA, Hisashi KOZUKA
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Patent number: 12073572Abstract: An image processing device includes a hardware processor. The hardware processor designates, from one frame image of a dynamic image acquired by dynamic imaging of a movement of a locomotorium, a plurality of regions or points on a structure included in the locomotorium, sets an alignment reference based on the designated regions or points, tracks the designated regions or points in a plurality of frame images of the dynamic image, aligns a line segment connecting the regions or the points to each other in the plurality of frame images based on the alignment reference, and causes a display to display the line segment so as to be superimposed on a representative frame image of the dynamic image.Type: GrantFiled: August 15, 2022Date of Patent: August 27, 2024Assignee: KONICA MINOLTA, INC.Inventors: Hisashi Wada, Tomoaki Takemura, Hidekazu Takahashi, Ryuta Ogawa, Sumiya Nagatsuka, Ikki Nakamura
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Publication number: 20240238762Abstract: A dehydrogenation reaction catalyst has a perovskite structure represented by the formula (A1-xA?x) (Zr1-y-zByB?z) O3, where A is at least one element selected from alkaline earth metals, A? is at least one of lanthanum (La) and yttrium (Y), B is at least one of titanium (Ti) and cerium (Ce), and B? is at least one element selected from yttrium (Y), scandium (Sc), ytterbium (Yb), aluminum (Al), indium (In), and neodymium (Nd)). Further, x, y, and z satisfy 0?x?0.4, 0.3?(1?z)?1, 0?y, and 0<(1?y?z).Type: ApplicationFiled: June 16, 2022Publication date: July 18, 2024Applicant: NGK SPARK PLUG CO., LTD.Inventors: Shuntaro WATANABE, Yosuke NAKAMURA, Hisashi KOZUKA
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Patent number: 11959417Abstract: A gas turbine (A, B, C) is provided that includes at least a compressor (1), a combustor (2), and a turbine (3) and combusts ammonia serving as fuel in the combustor (2), including a reducing agent supply device (6) configured to supply a reducing agent for reducing nitrogen oxides in a combustion gas to at least one of: a combustion gas flow path between the combustor (2) and the turbine (3); and the turbine (3).Type: GrantFiled: September 25, 2020Date of Patent: April 16, 2024Assignee: TOHOKU UNIVERSITYInventor: Hisashi Nakamura
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Publication number: 20230212978Abstract: A gas turbine (A, B, C) is provided that includes at least a compressor (1), a combustor (2), and a turbine (3) and combusts ammonia serving as fuel in the combustor (2), including a reducing agent supply device (6) configured to supply a reducing agent for reducing nitrogen oxides in a combustion gas to at least one of: a combustion gas flow path between the combustor (2) and the turbine (3); and the turbine (3).Type: ApplicationFiled: September 25, 2020Publication date: July 6, 2023Inventor: Hisashi Nakamura
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Publication number: 20230018049Abstract: A roof box that allows storing a long object while providing advantages in storage and transportation of the roof box itself includes a pair of end units and at least one spacer unit. The pair of end units and the at least one spacer unit constitute a block structure. The end unit and the spacer unit each include a body and a cover connected by a hinge mechanism respectively. A securing position in a longitudinal direction of the end unit to the spacer unit is changeable, or the spacer unit is changeable to a unit having a different longitudinal length.Type: ApplicationFiled: October 30, 2020Publication date: January 19, 2023Applicant: CAR MATE MFG. CO., LTD.Inventors: Tatsuyuki AONO, Hisashi NAKAMURA, Hiroshi YAMAGUCHI
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Patent number: 10927270Abstract: An oil-based ink composition for a writing instrument, comprising a dye, an organic solvent and a phenolic compound of the following general formula (1): wherein R is each independently hydrogen or an alkyl group having 1 to 5 carbon atoms, R1 is any of an alkyl group having 1 to 5 carbon atoms, a halogenated alkyl group having 1 to 5 carbon atoms, a phenyl group, a hydroxyphenyl group, and an alkyl group having 1 to 5 carbon atoms substituted by a hydroxyphenyl group, and R2 is any of a halogenated alkyl group having 1 to 5 carbon atoms, a phenyl group, a hydroxyphenyl group, and an alkyl group having 1 to 5 carbon atoms substituted by a hydroxyphenyl group. The oil-based ink composition for a writing instrument can form handwriting having excellent water resistance in which no bleeding occurs on written surfaces of various materials with a dye retaining color development.Type: GrantFiled: May 25, 2016Date of Patent: February 23, 2021Assignee: KABUSHIKI KAISHA PILOT CORPORATIONInventor: Hisashi Nakamura
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Patent number: 10520456Abstract: Provided is a combustion experiment device, which includes a reaction tube into which a sample fluid flows and to which a temperature gradient in which a temperature rises toward a downstream side is imparted, and a burner part that is configured to flow a combustible gas along and around the reaction tube from the downstream side to an upstream side of the reaction tube and to maintain a flame surrounding the reaction tube from the outside in a radial direction of the reaction tube.Type: GrantFiled: November 9, 2016Date of Patent: December 31, 2019Assignees: TOHOKU UNIVERSITY, IHI CORPORATIONInventors: Takuya Tezuka, Hisashi Nakamura, Kaoru Maruta, Soichiro Kato, Shintaro Ito
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Publication number: 20180127609Abstract: An oil-based ink composition for a writing instrument, comprising a dye, an organic solvent and a phenolic compound of the following general formula (1): wherein R is each independently hydrogen or an alkyl group having 1 to 5 carbon atoms, R1 is any of an alkyl group having 1 to 5 carbon atoms, a halogenated alkyl group having 1 to 5 carbon atoms, a phenyl group, a hydroxyphenyl group, and an alkyl group having 1 to 5 carbon atoms substituted by a hydroxyphenyl group, and R2 is any of a halogenated alkyl group having 1 to 5 carbon atoms, a phenyl group, a hydroxyphenyl group, and an alkyl group having 1 to 5 carbon atoms substituted by a hydroxyphenyl group. The oil-based ink composition for a writing instrument can form handwriting having excellent water resistance in which no bleeding occurs on written surfaces of various materials with a dye retaining color development.Type: ApplicationFiled: May 25, 2016Publication date: May 10, 2018Applicant: KABUSHIKI KAISHA PILOT CORPORATIONInventor: Hisashi NAKAMURA
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Patent number: 9738229Abstract: A carrier bar is provided, capable of enabling suitable assembly work of the stay and improving freedom in adjustment of stay assembly position relative to carrier bar, disclosed is a carrier bar having shell formed along longitudinal direction and hollow zones in cross-sectional structure so as to be assembled to stay by using a clamp mechanism having a head and a constricted portion to form a base carrier. Shell has assembly and positioning openings extending toward the longitudinal end of shell by using assembly opening as a basal end and having a terminated end formed by longitudinal end of shell. Assembly opening has an opening width and an opening length into which the head of clamp mechanism is insertable. Positioning opening has an opening width narrower than that of assembly opening, along which the constricted portion is slidable, and an opening length longer than that of assembly opening.Type: GrantFiled: September 12, 2014Date of Patent: August 22, 2017Assignee: CAR MATE MFG. CO., LTD.Inventors: Yuichi Sato, Daisuke Kisaka, Hisashi Nakamura
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Publication number: 20170052134Abstract: Provided is a combustion experiment device, which includes a reaction tube into which a sample fluid flows and to which a temperature gradient in which a temperature rises toward a downstream side is imparted, and a burner part that is configured to flow a combustible gas along and around the reaction tube from the downstream side to an upstream side of the reaction tube and to maintain a flame surrounding the reaction tube from the outside in a radial direction of the reaction tube.Type: ApplicationFiled: November 9, 2016Publication date: February 23, 2017Applicants: Tohoku University, IHI CorporationInventors: Takuya TEZUKA, Hisashi NAKAMURA, Kaoru MARUTA, Soichiro KATO, Shintaro ITO
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Patent number: 9562868Abstract: In a combustion experimental apparatus to obtain the positions of flames formed inside a tube (1), it is possible to adjust a temperature gradient in a longitudinal direction applied to the tube, by including a temperature-adjusting fluid supply device (2) to cause a temperature-adjusting fluid to flow along the tube.Type: GrantFiled: November 18, 2011Date of Patent: February 7, 2017Assignees: TOHOKU UNIVERSITY, IHI CORPORATIONInventors: Kaoru Maruta, Hisashi Nakamura, Soichiro Kato, Naoki Oikawa
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Patent number: 9523668Abstract: A fuel property determination method includes a reaction mechanism analysis process (S1) of analyzing elementary reactions that compose chemical reactions between a plurality of types of initial materials including the materials that compose the fuel and obtaining the elementary reactions as fuel elementary reactions, and an octane number determination process (S2) of calculating the combustion characteristics of the fuel by performing a simulation based on the fuel elementary reactions and determining the octane number based on the combustion characteristics of the fuel.Type: GrantFiled: May 18, 2010Date of Patent: December 20, 2016Assignees: TOHOKU UNIVERSITY, IHI CORPORATIONInventors: Kaoru Maruta, Hisashi Nakamura, Soichiro Kato
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Publication number: 20160280143Abstract: A carrier bar is provided, capable of enabling suitable assembly work of the stay and improving freedom in adjustment of stay assembly position relative to carrier bar, disclosed is a carrier bar having shell formed along longitudinal direction and hollow zones in cross-sectional structure so as to be assembled to stay by using a clamp mechanism having a head and a constricted portion to form a base carrier. Shell has assembly and positioning openings extending toward the longitudinal end of shell by using assembly opening as a basal end and having a terminated end formed by longitudinal end of shell. Assembly opening has an opening width and an opening length into which the head of clamp mechanism is insertable. Positioning opening has an opening width narrower than that of assembly opening, along which the constricted portion is slidable, and an opening length longer than that of assembly opening.Type: ApplicationFiled: September 12, 2014Publication date: September 29, 2016Applicant: CAR MATE MFG. CO., LTD.Inventors: Yuichi SATO, Daisuke KISAKA, Hisashi NAKAMURA
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Patent number: 9322818Abstract: The fuel physical property determination method relating to the first aspect of the present invention includes: a test fuel flame-imaging step of obtaining imaging data by imaging flames formed by supplying a pre-mixed gas containing a test fuel and an oxidant agent, to a test tube in which an internal flow path thereof has a diameter set smaller than a flame-quenching distance at normal temperature; and a physical property determination step of determining a physical property of the test fuel by comparing the imaging data obtained in the test fuel flame-imaging step and imaging data obtained by imaging flames ignited by supplying a pre-mixed gas containing a standard-mixed fuel and an oxidant agent, to the test tube, the standard-mixed fuel having a known physical property.Type: GrantFiled: March 7, 2012Date of Patent: April 26, 2016Assignees: TOHOKU UNIVERSITY, IHI CORPORATION, IHI INSPECTION & INSTRUMENTATION CO., LTD.Inventors: Kaoru Maruta, Hisashi Nakamura, Soichiro Kato, Kunio Matsui, Akira Sase, Tsuyoshi Saura
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Publication number: 20140291585Abstract: [Object] To provide a reversibly thermochromic composition free from accidental discoloration by heat conducting from the opposite side writing surface or by self-heating due to quick writing; and also to provide a solid writing material and a writing ink composition comprising that composition. [Means to solve the problem] A reversibly thermochromic composition comprising a combination of: (a) a reversibly thermochromic component capable of being discolored or decolored by heat and (b) a component for controlling heat conducting to the reversibly thermochromic component; and also a solid writing material and a writing ink composition comprising that composition.Type: ApplicationFiled: October 15, 2012Publication date: October 2, 2014Applicant: KABUSHIKI KAISHA PILOT CORPORATIONInventors: Taro Tozuka, Hisashi Nakamura
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Publication number: 20130340502Abstract: The fuel physical property determination method relating to the first aspect of the present invention includes: a test fuel flame-imaging step of obtaining imaging data by imaging flames formed by supplying a pre-mixed gas containing a test fuel and an oxidant agent, to a test tube in which an internal flow path thereof has a diameter set smaller than a flame-quenching distance at normal temperature; and a physical property determination step of determining a physical property of the test fuel by comparing the imaging data obtained in the test fuel flame-imaging step and imaging data obtained by imaging flames ignited by supplying a pre-mixed gas containing a standard-mixed fuel and an oxidant agent, to the test tube, the standard-mixed fuel having a known physical property.Type: ApplicationFiled: March 7, 2012Publication date: December 26, 2013Inventors: Kaoru Maruta, Hisashi Nakamura, Soichiro Kato, Kunio Matsui, Akira Sase, Tsuyoshi Saura
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Publication number: 20130235898Abstract: In a combustion experimental apparatus to obtain the positions of flames formed inside a tube (1), it is possible to adjust a temperature gradient in a longitudinal direction applied to the tube, by including a temperature-adjusting fluid supply device (2) to cause a temperature-adjusting fluid to flow along the tube.Type: ApplicationFiled: November 18, 2011Publication date: September 12, 2013Inventors: Kaoru Maruta, Hisashi Nakamura, Soichiro Kato, Naoki Oikawa
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Patent number: D911396Type: GrantFiled: July 17, 2019Date of Patent: February 23, 2021Assignee: Hitachi Construction Machinery Co., Ltd.Inventors: Atsushi Ninomiya, Yusuke Daimon, Katsumi Usami, Hiroyuki Ishida, Takatomo Ohno, Amane Yamada, Hisashi Nakamura, Ami Handa
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Patent number: D915469Type: GrantFiled: July 17, 2019Date of Patent: April 6, 2021Assignee: Hitachi Construction Machinery Co., Ltd.Inventors: Atsushi Ninomiya, Yusuke Daimon, Katsumi Usami, Hiroyuki Ishida, Takatomo Ohno, Amane Yamada, Hisashi Nakamura, Ami Handa