Patents by Inventor Takahiro Kawashima
Takahiro Kawashima 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: 20240101483Abstract: To provide at least one of: a powder composition from which a calcined body with similar processability can be produced without requiring the application of different forming conditions and calcination conditions for each composition; a method for producing the powder composition; a calcined body produced from the powder composition; a method for producing the calcined body; and uses thereof. A powder composition including: two or more types of zirconia in which a lanthanoid rare-earth element is dissolved; a transition metal element other than zirconium and hafnium; and a remainder composed of zirconia stabilized only by one or more selected from the group consisting of yttrium, calcium and magnesium, wherein a different lanthanoid rare-earth element is dissolved in each zirconia in which the lanthanoid rare-earth element is dissolved, and a transition metal element content is 1500 ppm or less.Type: ApplicationFiled: January 19, 2022Publication date: March 28, 2024Applicant: TOSOH CORPORATIONInventors: Sho AZECHI, Yuki USHIO, Takahiro SHIMIZU, Yuya HIGUCHI, Hitoshi NAGAYAMA, Hiroyuki FUJISAKI, Kenji IMAI, Risa KAWASHIMA
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Publication number: 20230356641Abstract: A handrail for a railroad vehicle is disposed in a cabin of a vehicle body of the railroad vehicle. The handrail includes a handrail body whose inside serves as a filling space and a filler having fluidity and filling the filling space. The handrail body includes an opening to be used in supplying the filler to the filling space and a plug that opens and closes the opening.Type: ApplicationFiled: July 21, 2023Publication date: November 9, 2023Applicant: Kawasaki Railcar Manufacturing Co., Ltd.Inventors: Takahiro KAWASHIMA, Yu YAMAMOTO, Satoru AKIYAMA, Hiroshi ENOMOTO
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Patent number: 11548538Abstract: A heating floor panel unit of a railcar includes: a heater-equipped floor panel; a first flange horizontally projecting from one end of the floor panel in a car longitudinal direction and fixed to a carbody by a fastening member; and a second flange horizontally projecting from the other end of the floor panel in the car longitudinal direction and fixed to the carbody by a fastening member. The first flange and the second flange are located at such a height that upper ends of the fastening members are located below an upper surface of the heater-equipped floor panel. The first flange, as viewed from above, is located in such a manner that a position of the first flange in a direction orthogonal to a direction in which the first flange projects does not overlap a position of the second flange in the orthogonal direction.Type: GrantFiled: September 30, 2016Date of Patent: January 10, 2023Assignee: KAWASAKI RAILCAR MANUFACTURING CO., LTD.Inventors: Toshinobu Tanigawa, Takahiro Kawashima
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Patent number: 11544118Abstract: One embodiment provides an information processing apparatus effective to execute a parallel job in coordination with other information processing apparatuses. In an example, the information processing apparatus includes: a memory configured to store computer readable instructions; and a processor configured to execute the computer readable instructions sored in the memory, the computer readable instructions including: providing an instruction to issue barrier communication of error information; and propagating the error information to each of the other information processing apparatuses based on the instruction for the barrier communication.Type: GrantFiled: July 30, 2020Date of Patent: January 3, 2023Assignee: FUJITSU LIMITEDInventors: Nobutaka Ihara, Takahiro Kawashima
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Patent number: 11492025Abstract: A railcar floor structure includes: a plurality of floor panels arranged over an entire length of a passenger room of a railcar in a car longitudinal direction and including respective electric heaters; a wiring duct extending in the car longitudinal direction and arranged between a side bodyshell and car width direction end portions of the floor panels; an electricity supply cable arranged at the wiring duct, electric power being supplied to the electric heaters through the electricity supply cable; and a wire insertion opening formed at a side wall portion of the wiring duct, the side wall portion being located close to the floor panels and extending along the car longitudinal direction, the electricity supply cable passing through the wire insertion opening.Type: GrantFiled: September 11, 2017Date of Patent: November 8, 2022Assignee: KAWASAKI RAILCAR MANUFACTURING CO., LTD.Inventors: Toshinobu Tanigawa, Takahiro Kawashima, Yasuo Onitake
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Patent number: 11479273Abstract: A handhold device of a railcar includes: a frame arranged along a side edge of a specific door opening and connected to a car interior side of a side carshell; a turning mechanism provided at the frame and configured to be turnable about a turning axis extending in an upper-lower direction; and a handle including a base portion connected to the frame through the turning mechanism and a holding portion projecting from the base portion in a direction intersecting with the turning axis. The handle is angularly displaceable about the turning axis between a deployed position where the holding portion is exposed to the specific door opening when viewed from a lateral side of the car body and a storage position where the holding portion is hidden by the side carshell when viewed from the lateral side of the car body.Type: GrantFiled: April 27, 2020Date of Patent: October 25, 2022Assignee: KAWASAKI RAILCAR MANUFACTURING CO., LTD.Inventors: Miwa Hattori, Takahiro Kawashima, Yu Yamamoto
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Publication number: 20220228621Abstract: A fixture of the present disclosure includes: a first fitting fixed to a first object; a second fitting fixed to a second object; and a positioning bolt fixing a position of the second fitting relative to the first fitting. The first fitting includes: a cylindrical portion extending in a z direction and including a first elongated hole on an outer peripheral surface of the cylindrical portion, the first elongated hole extending in a circumferential direction; a shaft that turns inside the cylindrical portion and includes a screw hole corresponding to the positioning bolt; and a first fixing portion to which the first object is fixed. The second fitting includes: a movable portion including a second elongated hole extending in an x direction and through which the positioning bolt penetrates; and a second fixing portion to which the second object is fixed.Type: ApplicationFiled: April 6, 2022Publication date: July 21, 2022Applicant: KAWASAKI RAILCAR MANUFACTURING CO., LTD.,Inventors: Ryosuke ASHIDA, Takahiro KAWASHIMA
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Publication number: 20220186503Abstract: A handrail of the present disclosure includes: a first partial handrail including an outer tube having at least one insertion hole on an outer peripheral surface of the outer tube; a second partial handrail including an inner tube having at least one opening hole on an outer peripheral surface of the inner tube, the inner tube being inserted into the outer tube; a cylindrical screw seat disposed inside the inner tube of the second partial handrail so as to be turnable in a circumferential direction and having at least one screw hole on an outer peripheral surface of the cylindrical screw seat; and at least one connecting bolt that penetrates the insertion hole and the opening hole and is fastened to the screw hole to couple the first partial handrail and the second partial handrail.Type: ApplicationFiled: March 7, 2022Publication date: June 16, 2022Applicant: KAWASAKI RAILCAR MANUFACTURING CO., LTD.Inventors: Mitsutoshi KICHISE, Takahiro KAWASHIMA
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Publication number: 20210331719Abstract: A handhold device of a railcar includes: a frame arranged along a side edge of a specific door opening and connected to a car interior side of a side carshell; a turning mechanism provided at the frame and configured to be turnable about a turning axis extending in an upper-lower direction; and a handle including a base portion connected to the frame through the turning mechanism and a holding portion projecting from the base portion in a direction intersecting with the turning axis. The handle is angularly displaceable about the turning axis between a deployed position where the holding portion is exposed to the specific door opening when viewed from a lateral side of the car body and a storage position where the holding portion is hidden by the side carshell when viewed from the lateral side of the car body.Type: ApplicationFiled: April 27, 2020Publication date: October 28, 2021Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Miwa HATTORI, Takahiro KAWASHIMA, Yu YAMAMOTO
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Publication number: 20210089365Abstract: One embodiment provides an information processing apparatus effective to execute a parallel job in coordination with other information processing apparatuses. In an example, the information processing apparatus includes: a memory configured to store computer readable instructions; and a processor configured to execute the computer readable instructions sored in the memory, the computer readable instructions including: providing an instruction to issue barrier communication of error information; and propagating the error information to each of the other information processing apparatuses based on the instruction for the barrier communication.Type: ApplicationFiled: July 30, 2020Publication date: March 25, 2021Applicant: FUJITSU LIMITEDInventors: Nobutaka IHARA, Takahiro Kawashima
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Publication number: 20200269884Abstract: A railcar floor structure includes: a plurality of floor panels arranged over an entire length of a passenger room of a railcar in a car longitudinal direction and including respective electric heaters; a wiring duct extending in the car longitudinal direction and arranged between a side bodyshell and car width direction end portions of the floor panels; an electricity supply cable arranged at the wiring duct, electric power being supplied to the electric heaters through the electricity supply cable; and a wire insertion opening formed at a side wall portion of the wiring duct, the side wall portion being located close to the floor panels and extending along the car longitudinal direction, the electricity supply cable passing through the wire insertion opening.Type: ApplicationFiled: September 11, 2017Publication date: August 27, 2020Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Toshinobu TANIGAWA, Takahiro KAWASHIMA, Yasuo ONITAKE
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Publication number: 20200039540Abstract: A heating floor panel unit of a railcar includes: a heater-equipped floor panel; a first flange horizontally projecting from one end of the floor panel in a car longitudinal direction and fixed to a carbody by a fastening member; and a second flange horizontally projecting from the other end of the floor panel in the car longitudinal direction and fixed to the carbody by a fastening member. The first flange and the second flange are located at such a height that upper ends of the fastening members are located below an upper surface of the heater-equipped floor panel. The first flange, as viewed from above, is located in such a manner that a position of the first flange in a direction orthogonal to a direction in which the first flange projects does not overlap a position of the second flange in the orthogonal direction.Type: ApplicationFiled: September 30, 2016Publication date: February 6, 2020Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Toshinobu TANIGAWA, Takahiro KAWASHIMA
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Patent number: 10530198Abstract: An R-T-B based sintered magnet includes a first main surface and a first side surface. The first main surface has a coercivity that is higher than that of the first side surface. ?HcjM?60 kA/m is satisfied, where ?HcjM is a difference in coercivity between a portion having a highest coercivity on the first main surface and a portion having a lowest coercivity on the first main surface. ?HcjG?60 kA/m is satisfied, where ?HcjG is a difference in coercivity between a portion having a highest coercivity on a first cross section and a portion having a lowest coercivity on the first cross section and the first cross section is a cross section parallel to the first main surface and spaced from the first main surface at a predetermined length or more.Type: GrantFiled: September 7, 2016Date of Patent: January 7, 2020Assignee: TDK CORPORATIONInventors: Naoto Tsukamoto, Hiroshi Miyasaka, Makoto Iwasaki, Takahiro Kawashima, Chikara Ishizaka
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Patent number: 10114774Abstract: A data transfer method executed by a processor included in a parallel processing device including a first node and a second node, the data transfer method includes transmitting, by a first processor included in the first node, data and information of a size of the data to the second node by remote direct memory access (RDMA); receiving, by a second processor included in the second node, the data and the information of the size of the data from the first node; writing the received data in a memory; and performing prefetch of at least a part of the data, based on information of a position of a memory area of the memory in which the received data has been written and the information of the size of the data.Type: GrantFiled: August 31, 2017Date of Patent: October 30, 2018Assignee: FUJITSU LIMITEDInventor: Takahiro Kawashima
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Publication number: 20180085051Abstract: A device control apparatus includes: a receiving unit that receives an output signal of a pressure sensor installed in bedding; a determining unit that determines control information corresponding to the output signal from a plurality of sets of control information for device control; and a device control unit that controls a control target device using the control information corresponding to the output signal.Type: ApplicationFiled: September 25, 2017Publication date: March 29, 2018Inventors: Takahiro KAWASHIMA, Morito MORISHIMA
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Patent number: 9929274Abstract: Methods of fabricating a thin-film transistor are provided. The methods include forming a gate electrode above a substrate, a gate insulating layer above the gate electrode, a non-crystalline silicon layer above the gate insulating layer, and a channel protective layer above the non-crystalline silicon layer. The non-crystalline silicon layer and the channel protective layer are processed to form a projecting part. The projecting part has an upper layer composed of the channel protective layer and a lower layer composed of the non-crystalline silicon layer. The projecting part and portions of the non-crystalline silicon layer on sides of the projecting part are irradiated with a laser beam to crystallize at least the non-crystalline silicon layer in the projecting part. An absorptance of the non-crystalline silicon layer for the laser beam is greater in the projecting part than in the portions on the sides of the projecting part.Type: GrantFiled: December 20, 2016Date of Patent: March 27, 2018Assignees: JOLED INC., PANASONIC LIQUID CRYSTAL DISPLAY CO., LTD.Inventors: Hiroshi Hayashi, Takahiro Kawashima, Genshirou Kawachi
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Publication number: 20180074983Abstract: A data transfer method executed by a processor included in a parallel processing device including a first node and a second node, the data transfer method includes transmitting, by a first processor included in the first node, data and information of a size of the data to the second node by remote direct memory access (RDMA); receiving, by a second processor included in the second node, the data and the information of the size of the data from the first node; writing the received data in a memory; and performing prefetch of at least a part of the data, based on information of a position of a memory area of the memory in which the received data has been written and the information of the size of the data.Type: ApplicationFiled: August 31, 2017Publication date: March 15, 2018Applicant: FUJITSU LIMITEDInventor: Takahiro Kawashima
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Patent number: 9805660Abstract: A display is provided that includes a display having a light-emitting element and a drive transistor, which supplies a current to the light-emitting element causing the light-emitting element to emit light. The display also includes a signal line driving circuit that supplies a signal voltage applied between a gate and a source of the drive transistor, and a control circuit that calculates an amount of threshold voltage shift of the drive transistor on the basis of an amount of deterioration of a threshold voltage of the drive transistor during a deterioration period, and corrects the signal voltage in accordance with the amount of threshold voltage shift.Type: GrantFiled: November 26, 2014Date of Patent: October 31, 2017Assignee: JOLED INC.Inventors: Hiroshi Hayashi, Takahiro Kawashima
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Patent number: 9691906Abstract: A method for producing a thin film transistor including an oxide semiconductor layer includes: depositing an oxide semiconductor film above a substrate by a sputtering method; and forming the oxide semiconductor layer into a predetermined shape by processing the oxide semiconductor film, wherein in the depositing of an oxide semiconductor film, a first oxide semiconductor film is deposited by using a first power density, and a second oxide semiconductor film is then deposited on the first oxide semiconductor film by using a second power density different from the first power density.Type: GrantFiled: July 1, 2014Date of Patent: June 27, 2017Assignee: JOLED INC.Inventors: Eiji Takeda, Takahiro Kawashima
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Publication number: 20170104103Abstract: Methods of fabricating a thin-film transistor are provided. The methods include forming a gate electrode above a substrate, a gate insulating layer above the gate electrode, a non-crystalline silicon layer above the gate insulating layer, and a channel protective layer above the non-crystalline silicon layer. The non-crystalline silicon layer and the channel protective layer are processed to form a projecting part. The projecting part has an upper layer composed of the channel protective layer and a lower layer composed of the non-crystalline silicon layer. The projecting part and portions of the non-crystalline silicon layer on sides of the projecting part are irradiated with a laser beam to crystallize at least the non-crystalline silicon layer in the projecting part. An absorptance of the non-crystalline silicon layer for the laser beam is greater in the projecting part than in the portions on the sides of the projecting part.Type: ApplicationFiled: December 20, 2016Publication date: April 13, 2017Applicants: JOLED INC., PANASONIC LIQUID CRYSTAL DISPLAY CO., LTDInventors: Hiroshi HAYASHI, Takahiro KAWASHIMA, Genshirou KAWACHI