Patents by Inventor Shigehiro Yamaguchi

Shigehiro Yamaguchi 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).

  • Publication number: 20240150875
    Abstract: Proposed is a method for producing a grain-oriented electrical steel sheet that comprises heating a steel material containing a certain composition and inhibitor-forming ingredients to a temperature in a range of 1300 to 1400° C.; performing hot rolling, hot-band annealing, and cold rolling on the material to obtain a cold-rolled sheet; performing decarburization annealing also serving as primary recrystallization annealing on the cold-rolled sheet; subsequently applying an annealing separator to a surface of the steel sheet; and performing finishing annealing followed by applying an insulation coating. In the method, rapid heating is conducted from 500 and 700° C. in a heating process of the decarburization annealing at a rate of 100 to 1000° C./s while gradual heating is conducted from 860 to 970° C. in a heating process of the finishing annealing at a heating rate of 0.5 to 4.0° C./hr for at least 10 hours.
    Type: Application
    Filed: March 28, 2022
    Publication date: May 9, 2024
    Applicant: JFE Steel Corporation
    Inventors: Ryosuke Tani, Takeshi Imamura, Shigehiro Takajo, Hiroi Yamaguchi
  • Publication number: 20240136095
    Abstract: The method includes slab-heating a steel slab to a temperature of higher than a ?-phase precipitation temperature and 1380° C. or lower, subjecting the steel slab to rough rolling including at least two passes of rolling at a predetermined temperature with an introduced sheet thickness true strain ?t of 0.50 or more and to finish rolling with a rolling finish temperature of 900° C. or higher to obtain a hot-rolled sheet, cooling the hot-rolled sheet for 1 second or longer at a cooling rate of 70° C./s or higher within 2 seconds after finish rolling, coiling the sheet at a coiling temperature of 600° C. or lower, performing hot-rolled sheet annealing for soaking at a predetermined soaking temperature, and then performing cold rolling, primary recrystallization annealing, and secondary recrystallization annealing.
    Type: Application
    Filed: March 2, 2022
    Publication date: April 25, 2024
    Applicant: JFE STEEL CORPORATION
    Inventors: Shigehiro TAKAJO, Hiroi YAMAGUCHI
  • Publication number: 20240133003
    Abstract: The method includes slab-heating a steel slab to a temperature of higher than a ?-phase precipitation temperature and 1380° C. or lower, subjecting the steel slab to rough rolling including at least two passes of rolling at a predetermined temperature with an introduced sheet thickness true strain ?t of 0.50 or more and to finish rolling with a rolling finish temperature of 900° C. or higher to obtain a hot-rolled sheet, cooling the sheet for 1 second or longer at a cooling rate of 70° C./s or higher within 2 seconds after finish rolling, coiling the sheet at a coiling temperature of 600° C. or lower, performing hot-rolled sheet annealing for soaking at a predetermined soaking temperature, and then performing cold rolling, primary recrystallization annealing, and secondary recrystallization annealing.
    Type: Application
    Filed: March 2, 2022
    Publication date: April 25, 2024
    Applicant: JFE STEEL CORPORATION
    Inventors: Shigehiro TAKAJO, Hiroi YAMAGUCHI
  • Patent number: 11326740
    Abstract: To provide a gas filling method in which it is possible to estimate a volume of a tank with high accuracy even when the tank has a small volume. A hydrogen filling system includes a hydrogen station having a pressure accumulator of compressed hydrogen gas, a vehicle having a hydrogen tank, a connection tube system that connects the accumulator and the tank, and a flow rate sensor and a station pressure sensor provided on the connection tube system. A hydrogen gas filling method is a method of filling the tank with the hydrogen gas from the pressure accumulator and includes estimating a volume of the hydrogen tank based on detection values of the flow rate sensor and the station pressure sensor and a volume value of the connection tube system, after a start of filling of the hydrogen tank with the hydrogen gas from the pressure accumulator.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: May 10, 2022
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Shigehiro Yamaguchi, Yuzo Fujita, Kiyoshi Handa
  • Patent number: 11174389
    Abstract: A phosphole compound represented by the formula (wherein Ar1 and Ar2 are the same or different, and represent an optionally substituted aromatic hydrocarbon ring or an optionally substituted heteroaromatic ring; Ar3 represents a divalent ?-conjugated unit; R1 represents an optionally substituted alkyl group, an optionally substituted cycloalkyl group, an optionally substituted aryl group, or an optionally substituted heteroaryl group; R2 and R3 are the same or different, and represent a hydrogen atom, an optionally substituted alkyl group, an optionally substituted cycloalkyl group, an optionally substituted aryl group, or an optionally substituted heteroaryl group; and Z represents a reactive group) can provide a fluorescent dye capable of maintaining a high fluorescence quantum yield irrespective of solvent polarity, and providing an improved fluorescence quantum yield and light resistance even in environments containing large amounts of water.
    Type: Grant
    Filed: July 24, 2017
    Date of Patent: November 16, 2021
    Assignee: NATIONAL UNIVERSITY CORPORATION NAGOYA UNIVERSITY
    Inventors: Shigehiro Yamaguchi, Aiko Naka, Masayasu Taki, Chenguang Wang
  • Patent number: 10442886
    Abstract: Provided is a mechanochromic resin by which a stress applied to a material can be visualized in real time, and a mechanochromic luminescent material that is used in the synthesis of the mechanochromic resin. Stress can be visualized in real time by means of a mechanochromic luminescent material represented by formula (1) or formula (2) and a mechanochromic resin obtained by crosslinking the mechanochromic luminescent material. [Chemical formula 1] (In the formula, Y1 and Y2 each denote a substituent group that inhibits aggregation of the mechanochromic luminescent material represented by formula (1), and Y1 and Y2 may be same as or different from each other. Z1 and Z2 each denote a polymerizable group, and may be same as or different from each other.) [Chemical formula 2] (In the formula, Y1 and Y2 each denote a substituent group that inhibits aggregation of the mechanochromic luminescent material represented by formula (2), and Y1 and Y2 may be same as or different from each other.
    Type: Grant
    Filed: November 16, 2015
    Date of Patent: October 15, 2019
    Assignee: Japan Science and Technology Agency
    Inventors: Hiroshi Yabu, Yuta Saito, Shohei Saito, Shigehiro Yamaguchi, Shunpei Nobusue
  • Publication number: 20190301678
    Abstract: To provide a gas filling method in which it is possible to estimate a volume of a tank with high accuracy even when the tank has a small volume. A hydrogen filling system includes a hydrogen station having a pressure accumulator of compressed hydrogen gas, a vehicle having a hydrogen tank, a connection tube system that connects the accumulator and the tank, and a flow rate sensor and a station pressure sensor provided on the connection tube system. A hydrogen gas filling method is a method of filling the tank with the hydrogen gas from the pressure accumulator and includes estimating a volume of the hydrogen tank based on detection values of the flow rate sensor and the station pressure sensor and a volume value of the connection tube system, after a start of filling of the hydrogen tank with the hydrogen gas from the pressure accumulator.
    Type: Application
    Filed: March 29, 2019
    Publication date: October 3, 2019
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Shigehiro YAMAGUCHI, Yuzo FUJITA, Kiyoshi HANDA
  • Publication number: 20190264031
    Abstract: A phosphole compound represented by the formula (wherein Ar1 and Ar2 are the same or different, and represent an optionally substituted aromatic hydrocarbon ring or an optionally substituted heteroaromatic ring; Ar3 represents a divalent ?-conjugated unit; R1 represents an optionally substituted alkyl group, an optionally substituted cycloalkyl group, an optionally substituted aryl group, or an optionally substituted heteroaryl group; R2 and R3 are the same or different, and represent a hydrogen atom, an optionally substituted alkyl group, an optionally substituted cycloalkyl group, an optionally substituted aryl group, or an optionally substituted heteroaryl group; and Z represents a reactive group) can provide a fluorescent dye capable of maintaining a high fluorescence quantum yield irrespective of solvent polarity, and providing an improved fluorescence quantum yield and light resistance even in environments containing large amounts of water.
    Type: Application
    Filed: July 24, 2017
    Publication date: August 29, 2019
    Inventors: Shigehiro YAMAGUCHI, Aiko NAKA, Masayasu TAKI, Chenguang WANG
  • Patent number: 10252637
    Abstract: A saddle-ride type vehicle includes a vehicle body frame steerably supporting a front fork by a head pipe and swingably supporting a rear wheel unit around a pivot, an air-cooled type fuel cell unit supported by the vehicle body frame on a rear side of the head pipe and including an outside air intake port facing forward, and a vehicle body cover defining a front of an intake air space that is connected to the intake port. The vehicle body cover includes a traveling air passage changing a direction of traveling air that flows in from a front. Accordingly, it is possible to efficiently supply traveling air to a fuel cell unit that includes a fuel cell.
    Type: Grant
    Filed: March 30, 2017
    Date of Patent: April 9, 2019
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Kanta Yamamoto, Daisuke Kuriki, Masamoto Ito, Naoki Yoshida, Masayoshi Takano, Shigehiro Yamaguchi
  • Publication number: 20190031820
    Abstract: Provided is a mechanochromic resin by which a stress applied to a material can be visualized in real time, and a mechanochromic luminescent material that is used in the synthesis of the mechanochromic resin. Stress can be visualized in real time by means of a mechanochromic luminescent material represented by formula (1) or formula (2) and a mechanochromic resin obtained by crosslinking the mechanochromic luminescent material. [Chemical formula 1] (In the formula, Y1 and Y2 each denote a substituent group that inhibits aggregation of the mechanochromic luminescent material represented by formula (1), and Y1 and Y2 may be same as or different from each other. Z1 and Z2 each denote a polymerizable group, and may be same as or different from each other.) [Chemical formula 2] (In the formula, Y1 and Y2 each denote a substituent group that inhibits aggregation of the mechanochromic luminescent material represented by formula (2), and Y1 and Y2 may be same as or different from each other.
    Type: Application
    Filed: November 16, 2015
    Publication date: January 31, 2019
    Applicant: JAPAN SCIENCE AND TECHNOLOGY AGENCY
    Inventors: Hiroshi YABU, Yuta SAITO, Shohei SAITO, Shigehiro YAMAGUCHI, Shunpei NOBUSUE
  • Patent number: 9951094
    Abstract: The following formula is an example of a phosphole compound of the present invention. The phosphole compound of the present invention has the characteristic of maintaining a high fluorescence quantum yield in a wide range of solvents from low-polarity solvents to high-polarity solvents, as well as the characteristic in which the fluorescence wavelength shifts to the longer wavelength side as the polarity of the solvent increases. Because of these characteristics, the phosphole compound of the present invention is expected to be used, for example, for quantitatively determining the polarity in the environment therearound by using the absorption wavelength and fluorescence wavelength thereof, or used as a new fluorescent probe dye or a highly efficient luminescent material in organic electronic devices.
    Type: Grant
    Filed: January 22, 2015
    Date of Patent: April 24, 2018
    Assignee: NATIONAL UNIVERSITY CORPORATION NAGOYA UNIVERSITY
    Inventors: Shigehiro Yamaguchi, Aiko Fukazawa, Eriko Yamaguchi, Chenguang Wang
  • Publication number: 20170282749
    Abstract: A saddle-ride type vehicle includes an air-cooled fuel cell unit that is mounted on a body frame behind a head pipe and in front of a pivot frame and uses taken-in outside air for supplying oxygen and cooling a unit. The fuel cell unit includes an outside air intake open forward below the head pipe and an exhaust port open rearward above a pivot. A seat frame has a monocoque structure also having a configuration of an exhaust duct for guiding exhaust gas from the fuel cell unit to a back of an occupant's seat. Accordingly, in the saddle-ride type vehicle, it is possible to realize more efficient ventilation in utilizing a fuel cell.
    Type: Application
    Filed: February 28, 2017
    Publication date: October 5, 2017
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Kanta YAMAMOTO, Naoki YOSHIDA, Masayoshi TAKANO, Shigehiro YAMAGUCHI
  • Publication number: 20170282748
    Abstract: A saddle-ride type vehicle includes a vehicle body frame steerably supporting a front fork by a head pipe and swingably supporting a rear wheel unit around a pivot, an air-cooled type fuel cell unit supported by the vehicle body frame on a rear side of the head pipe and including an outside air intake port facing forward, and a vehicle body cover defining a front of an intake air space that is connected to the intake port. The vehicle body cover includes a traveling air passage changing a direction of traveling air that flows in from a front. Accordingly, it is possible to efficiently supply traveling air to a fuel cell unit that includes a fuel cell.
    Type: Application
    Filed: March 30, 2017
    Publication date: October 5, 2017
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Kanta YAMAMOTO, Daisuke KURIKI, Masamoto ITO, Naoki YOSHIDA, Masayoshi TAKANO, Shigehiro YAMAGUCHI
  • Publication number: 20160333037
    Abstract: The following formula is an example of a phosphole compound of the present invention. The phosphole compound of the present invention has the characteristic of maintaining a high fluorescence quantum yield in a wide range of solvents from low-polarity solvents to high-polarity solvents, as well as the characteristic in which the fluorescence wavelength shifts to the longer wavelength side as the polarity of the solvent increases. Because of these characteristics, the phosphole compound of the present invention is expected to be used, for example, for quantitatively determining the polarity in the environment therearound by using the absorption wavelength and fluorescence wavelength thereof, or used as a new fluorescent probe dye or a highly efficient luminescent material in organic electronic devices.
    Type: Application
    Filed: January 22, 2015
    Publication date: November 17, 2016
    Applicant: NATIONAL UNIVERSITY CORPORATION NAGOYA UNIVERSITY
    Inventors: Shigehiro YAMAGUCHI, Aiko FUKAZAWA, Eriko YAMAGUCHI, Chenguang WANG
  • Patent number: 8973354
    Abstract: An exhaust system for a variable cylinder engine for assuring purification of exhaust gas without increasing the number of catalysts and an intake system for purifying blow-by gas. The exhaust system includes an activation side exhaust pipe connected to an activation cylinder group that operates normally. A deactivation side exhaust pipe is connected to a deactivation cylinder group wherein fuel supply is stopped under a particular condition. A gathering section is connected to downstream ends of the activation side exhaust pipe and the deactivation side exhaust pipe with a sub-catalyst disposed in the activation side exhaust pipe and a main catalyst disposed at the gathering section. The main catalyst is formed wherein gas passing therethrough is partitioned into flows independent of each other in a flow path direction. The activation side exhaust pipe and the deactivation side exhaust pipe are connected in a mutually independent state to the main catalyst.
    Type: Grant
    Filed: December 19, 2012
    Date of Patent: March 10, 2015
    Assignee: Honda Motor Co., Ltd.
    Inventors: Hayato Maehara, Shigehiro Yamaguchi, Norihiko Gogami
  • Publication number: 20130255237
    Abstract: An exhaust system for a variable cylinder engine for assuring purification of exhaust gas without increasing the number of catalysts and an intake system for purifying blow-by gas. The exhaust system includes an activation side exhaust pipe connected to an activation cylinder group that operates normally. A deactivation side exhaust pipe is connected to a deactivation cylinder group wherein fuel supply is stopped under a particular condition. A gathering section is connected to downstream ends of the activation side exhaust pipe and the deactivation side exhaust pipe with a sub-catalyst disposed in the activation side exhaust pipe and a main catalyst disposed at the gathering section. The main catalyst is formed wherein gas passing therethrough is partitioned into flows independent of each other in a flow path direction. The activation side exhaust pipe and the deactivation side exhaust pipe are connected in a mutually independent state to the main catalyst.
    Type: Application
    Filed: December 19, 2012
    Publication date: October 3, 2013
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Hayato MAEHARA, Shigehiro YAMAGUCHI, Norihiko GOGAMI
  • Publication number: 20120190868
    Abstract: Provided are a novel compound suitable as an organic semiconductor material, the compound being a substituted benzochalcogenoacene compound represented by the formula (1), a thin film comprising the compound, and an organic semiconductor device having the thin film as a component. In the formula (1), each E independently represents a sulfur or selenium atom, and R1 and R2 each independently represents a hydrogen atom, an optionally substituted C4-30 alkyl group, an optionally substituted C4-30 alkoxy group, an optionally substituted C6-30 aryl group, an optionally substituted C7-30 aralkyl group, an optionally substituted C4-30 heteroaryl group, an optionally substituted C5-30 heteroaralkyl group, or an optionally fluorinated C3-30 trialkylsilyl group, both R1 and R2 being not hydrogen atoms.
    Type: Application
    Filed: July 8, 2010
    Publication date: July 26, 2012
    Applicants: NATIONAL UNIVERSITY CORPORATION NAGOYA UNIVERSITY, SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Yasuo Miyata, Eiji Yoshikawa, Shigehiro Yamaguchi
  • Patent number: 8044218
    Abstract: A diacetylene derivative was used as a starting material, and was subjected to dilithiation using an organolithium reagent. The resulting product was allowed to react with an excessive amount of chalcogen. Accordingly, an intramolecular cyclization reaction proceeded simultaneously with formation of skeletons of three rings. As a result, a chalcogen-containing fused polycyclic organic material was found to be obtained which has the three rings and a dichalcogenid bond. Further, by subjecting the resulting compound to a dechalcogenation reaction, a heteroacene was found to be obtained in a satisfactory yield. These synthetic techniques have made it possible to synthesize a series of highly planar chalcogen-containing ?-electron system materials. Therefore, it is possible to provide (i) a chalcogen-containing fused polycyclic organic material capable of exhibiting excellent charge-transporting properties and (ii) a method for producing the material.
    Type: Grant
    Filed: March 8, 2005
    Date of Patent: October 25, 2011
    Assignee: Japan Science and Technology Agency
    Inventors: Shigehiro Yamaguchi, Toshihiro Okamoto
  • Patent number: 7973190
    Abstract: A polycyclic fused ring type ?-conjugated organic material (VIIa, VIIb, VIIc, VIId) is obtained in the following manner. That is, as shown in Scheme 1 below, a starting material (I) is dimetalated with an organometallic base. The starting material (I) thus dimetalated is trapped with an organosilicon reagent (i: (1) n-BuLi or t-BuLi; (2) HMe2SiCl). As a result, an intermediate is obtained. Thereafter, the intermediate is allowed to react with a metal reductant. This causes an intramolecular reductive cyclization reaction to proceed. As a result, a dianion intermediate is produced. The dianion intermediate is trapped with an electrophile (ii: (1) LiNaph, THF, rt, 5 min; (2) electrophile or NH4Cl) In this way, the polycyclic fused ring type ?-conjugated organic material is obtained.
    Type: Grant
    Filed: November 5, 2004
    Date of Patent: July 5, 2011
    Assignee: Japan Science and Technology Agency
    Inventors: Shigehiro Yamaguchi, Caihong Xu
  • Publication number: 20100308313
    Abstract: [Object] To provide a wide band-gap material capable of forming a stable amorphous thin film and an organic electroluminescent device using such a compound and having a high light emission efficiency. [Solution] It has been found that a novel oligophenylene derivative, which is applicable as an organic electroluminescent material, can be produced efficiently using a cross-coupling reaction. It has also been found that a highly-efficient blue phosphorescent light-emitting device can be produced using this compound. The present invention is based on these findings.
    Type: Application
    Filed: December 19, 2008
    Publication date: December 9, 2010
    Inventors: Shigehiro Yamaguchi, Atsushi Wakamiya, Chihaya Adachi, Masayuki Yahiro, Ayataka Endo, Toshihisa Ide, Masutaka Shinmen