Patents by Inventor Yasuyuki Furuta
Yasuyuki Furuta 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: 20230347275Abstract: A honeycomb filter comprising a pillar-shaped honeycomb structure body having a porous partition wall and a plugging portion, wherein, in a pore diameter distribution of the partition wall, in the case where the pore diameter (µm) whose cumulative pore volume is 10% of the total pore volume is denoted by D10, the pore diameter (µm) whose cumulative pore volume is 50% of the total pore volume is denoted by D50, and the pore diameter (µm) whose cumulative pore volume is 90% of the total pore volume is denoted by D90, all of the following equations (1) to (6) are satisfied. 8 .4 ? ? m<D10 (1) 17 .5 ? ? m<D50<24 .0 ? ? m (2) D90<55 .2 ? ? m (3) logD90-logD10 / logD50 <0 .60 (4) logD90 / logD50 <1 .30 (5) logD50 / logD10 <1 .Type: ApplicationFiled: March 2, 2023Publication date: November 2, 2023Applicant: NGK Insulators, Ltd.Inventors: Fumihiko YOSHIOKA, Yuji SASAKI, Yasuyuki FURUTA, Ritsuko TERANISHI, Ayaka SAKAI, Tatsuya OHASHI
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Publication number: 20230338885Abstract: A honeycomb filter comprising a pillar-shaped honeycomb structure body having a porous partition wall and a plugging portion, wherein, in a pore diameter distribution of the partition wall, in the case where the pore diameter (µm) whose cumulative pore volume is 10% of the total pore volume is denoted by D10, the pore diameter (µm) whose cumulative pore volume is 50% of the total pore volume is denoted by D50, and the pore diameter (µm) whose cumulative pore volume is 90% of the total pore volume is denoted by D90, all of the following equations (1) to (6) are satisfied. 3.9 ? ? m<D10 (1) 10.5 ? ? m<D50<16 .6 ? ? m (2) D90<38 .7 ? ? m (3) log ? D90-logD10 / log ? D50<0 .80 (4) log ? D90 / logD50<1 .36 (5) log ? D50 / logD10<1 .Type: ApplicationFiled: March 2, 2023Publication date: October 26, 2023Applicant: NGK Insulators, Ltd.Inventors: Fumihiko YOSHIOKA, Yudai KURIMOTO, Yasuyuki FURUTA, Ritsuko TERANISHI, Ayaka SAKAI, Tatsuya OHASHI
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Publication number: 20230311047Abstract: A honeycomb filter comprising a pillar-shaped honeycomb structure body having a porous partition wall disposed to surround a plurality of cells which serve as fluid through channels extending from a first end face to a second end face and a plugging portion provided at an open end on the first end face side or the second end face side of each of the cells, wherein the partition wall has an average number of branches of pores existing at the outermost surface of the partition wall of greater than 7.5 and less than 9.0.Type: ApplicationFiled: March 2, 2023Publication date: October 5, 2023Applicant: NGK Insulators, Ltd.Inventors: Yudai KURIMOTO, Yasuyuki FURUTA, Fumihiko YOSHIOKA, Tatsuya OHASHI, Ayaka SAKAI, Ritsuko TERANISHI
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Patent number: 11590444Abstract: A honeycomb filter includes a pillar-shaped honeycomb substrate having a porous partition wall and a plugging portion provided so as to plug end at any one of the inflow end face side or the outflow end face side of the cell, wherein in a section orthogonal to the extending direction of the cell, the shape of the cell is hexagonal, the partition wall includes a first partition wall disposed between the inflow cell and the outflow cell and a second partition wall disposed between the inflow cells, and the first partition wall has a porous trapping layer on its surface for trapping particulate matter in exhaust gas, and the second partition wall has no trapping layer on its surface or has a trapping layer thinner than the trapping layer disposed on the surface of the first partition wall.Type: GrantFiled: March 23, 2022Date of Patent: February 28, 2023Assignee: NGK Insulators, Ltd.Inventors: Takashi Aoki, Yasuyuki Furuta, Takahiro Honda, Koji Kuzutani
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Publication number: 20220401870Abstract: A honeycomb filter includes a pillar-shaped honeycomb substrate having a porous partition wall and a plugging portion provided so as to plug end at any one of the inflow end face side or the outflow end face side of the cell, wherein in a section orthogonal to the extending direction of the cell, the shape of the cell is hexagonal, the partition wall includes a first partition wall disposed between the inflow cell and the outflow cell and a second partition wall disposed between the inflow cells, and the first partition wall has a porous trapping layer on its surface for trapping particulate matter in exhaust gas, and the second partition wall has no trapping layer on its surface or has a trapping layer thinner than the trapping layer disposed on the surface of the first partition wall.Type: ApplicationFiled: March 23, 2022Publication date: December 22, 2022Applicant: NGK Insulators, Ltd.Inventors: Takashi AOKI, Yasuyuki FURUTA, Takahiro HONDA, Koji KUZUTANI
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Patent number: 11092055Abstract: A honeycomb structure including: a pillar-shaped honeycomb structure body, the honeycomb structure body being configured to include a circumferential portion and a central portion, wherein a shape of the cells is a triangle or a hexagon having at least one symmetrical axis, in the shape of the cells, a number of the symmetrical axes is defined as A, a number of vertices of the shape of the cells is defined as N, and a value shown in a following Equation (1) is defined as ?, an arrangement direction of the cells in the circumferential portion is inclined in a range of ??15° to ?+15° with respect to an arrangement direction of the cells in the central portion.Type: GrantFiled: April 30, 2019Date of Patent: August 17, 2021Assignee: NGK Insulators, Ltd.Inventors: Akifumi Kawakami, Yasuyuki Furuta, Mitsuhiro Ito
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Publication number: 20190353074Abstract: A honeycomb structure including: a pillar-shaped honeycomb structure body, the honeycomb structure body being configured to include a circumferential portion and a central portion, wherein a shape of the cells is a triangle or a hexagon having at least one symmetrical axis, in the shape of the cells, a number of the symmetrical axes is defined as A, a number of vertices of the shape of the cells is defined as N, and a value shown in a following Equation (1) is defined as 0, an arrangement direction of the cells in the circumferential portion is inclined in a range of ??15° to ?+15° with respect to an arrangement direction of the cells in the central portion.Type: ApplicationFiled: April 30, 2019Publication date: November 21, 2019Applicant: NGK Insulators, Ltd.Inventors: Akifumi KAWAKAMI, Yasuyuki FURUTA, Mitsuhiro ITO
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Patent number: 8493927Abstract: In a control apparatus which transmits/receives data from a central processing unit via a serial transfer channel to a communication control unit, and groups/distributes data of input/output units from the communication control unit via a parallel transfer channel, the control apparatus initiates a diagnosing unit of the parallel transfer channel in response to an instruction issued from the central processing unit, and diagnosis the input/output units subsequent to the diagnosis of the transmission channel. Data input/output timing of the input/output unit is also instructed from the central processing unit, so that the central processing unit can suppress lowering of response speeds caused by the diagnoses, and can maintain the periodicity of the data input/output.Type: GrantFiled: June 28, 2007Date of Patent: July 23, 2013Assignees: Hitachi, Ltd., Hitachi Information & Control Solutions, Ltd.Inventors: Akira Bandou, Masamitsu Kobayashi, Masahiro Shiraishi, Akihiro Onozuka, Takashi Umehara, Shin Kokura, Eiji Kobayashi, Masakazu Ishikawa, Yasuyuki Furuta, Naoya Mashiko, Satoru Funaki, Yuusuke Seki, Tatsuyuki Ootani, Wataru Sasaki, Yusaku Otsuka, Akihiro Nakano, Shoichi Ozawa, Takenori Kasahara, Yu Iwasaki
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Patent number: 8386862Abstract: A fault diagnosis apparatus and method capable of simultaneously detecting the fault of a multiplexer and the fault of an A/D converter and isolating and identifying causes of these faults, the multiplexer and the A/D converter being used in a multi-channel analog input/output circuit. Test-voltage values are inputted from a diagnosis-voltage input unit into the multiplexer and the A/D converter constituting an analog-signal conversion unit, the multiplexer having plural channels, the A/D converter converting outputs from the multiplexer into digital signals, the test-voltage values being different from each other for each channel of the multiplexer. Comparisons are made between the digital voltage values and the test-voltage values inputted, the digital voltage values being outputted for each channel of the multiplexer. From this comparison result, it is judged whether the multiplexer is at fault or the A/D converter is at fault.Type: GrantFiled: February 18, 2010Date of Patent: February 26, 2013Assignee: Hitachi, Ltd.Inventors: Hisashi Terae, Masakazu Ishikawa, Yasuyuki Furuta, Katsumi Yoshida, Atsushi Nishioka, Yasuhiro Kiyofuji, Takenori Kasahara, Syuichi Nagayama, Fujiya Kawawa, Manabu Kubota, Tatsuyuki Ootani, Hidechiyo Tanaka
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Patent number: 8209594Abstract: A receiving device including: a receiver receiving two frames, each including substantially same data attached thereto with a data error detection code, a frame error detection code, and safety flag information indicating a safety function or not, respectively; a first detector connected to the receiver for performing error detection of the frames by use of the frame error detection code, respectively; a second detector connected to the receiver for performing error detection of the data by use of the data error detection code, respectively; and a Direct Memory Access Controller (DMAC) connected to the first and second detectors for outputting one among the data included in the two frames under a condition of the safety function in the two frames when no error is detected in the frame and data error detections.Type: GrantFiled: October 8, 2010Date of Patent: June 26, 2012Assignees: Hitachi, Ltd., Hitachi Information & Control Solutions, Ltd.Inventors: Akihiro Onozuka, Masakazu Ishikawa, Masamitsu Kobayashi, Takashi Umehara, Shin Kokura, Hiromichi Endoh, Satoru Funaki, Hisao Nagayama, Masahiro Shiraishi, Akira Bando, Eiji Kobayashi, Yasuyuki Furuta, Naoya Mashiko
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Patent number: 8143190Abstract: There is disclosed a honeycomb structure having a plurality of segments and each including a plurality of cells, wherein each segment has a porous base material having the honeycomb shape, and a modified portion formed by impregnating a part of the base material with a slurry including particles smaller than the average pore diameter of the base material, followed by a heat treatment, the base material has a porosity of 30 to 80% and an average pore diameter of 5 to 40 ?m, and the modified portion is partially formed on the section of the segment vertical (orthogonal) to the axial direction of the cells, and has a porosity which is 2 to 20% lower than that of the base material and an average pore diameter which is 0.1 to 10 ?m smaller than that of the base material.Type: GrantFiled: September 10, 2009Date of Patent: March 27, 2012Assignee: NGK Insulators, Ltd.Inventors: Yasuyuki Furuta, Takuya Hiramatsu, Fumiharu Sato
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Publication number: 20110022936Abstract: A receiving device including: a receiver receiving two frames, each including substantially same data attached thereto with a data error detection code, a frame error detection code, and safety flag information indicating a safety function or not, respectively; a first detector connected to the receiver for performing error detection of the frames by use of the frame error detection code, respectively; a second detector connected to the receiver for performing error detection of the data by use of the data error detection code, respectively; and a Direct Memory Access Controller (DMAC) connected to the first and second detectors for outputting one among the data included in the two frames under a condition of the safety function in the two frames when no error is detected in the frame and data error detections.Type: ApplicationFiled: October 8, 2010Publication date: January 27, 2011Inventors: Akihiro ONOZUKA, Masakazu Ishikawa, Masamitsu Kobayashi, Takashi Umehara, Shin Kokura, Hiromichi Endoh, Satoru Funaki, Hisao Nagayama, Masahiro Shiraishi, Akira Bando, Eiji Kobayashi, Yasuyuki Furuta, Naoya Mashiko
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Patent number: 7873871Abstract: A programmable electronic controller in which one central arithmetic processing unit and a plurality of input devices and output devices are connected by means of a parallel bus, the controller being basically configured to activate a self-diagnostic function and a diagnostic test of the input devices and the output devices with an instruction from a microprocessor of the central arithmetic processing unit; and to judge the result with the microprocessor of the central arithmetic processing unit, by using the microprocessor installed in the central arithmetic processing unit also as a processor for tests (diagnostic tests) of the self-diagnostic function of the input devices and output devices and conducting tests of the self-diagnostic function of the plurality of input devices and output devices with the central arithmetic processing unit.Type: GrantFiled: June 26, 2007Date of Patent: January 18, 2011Assignees: Hitachi, Ltd., Hitachi Information & Control Solutions, Ltd.Inventors: Masakazu Ishikawa, Akira Bandou, Masahiro Shiraishi, Masamitsu Kobayashi, Yasuyuki Furuta, Akihiro Onozuka, Shin Kokura, Eiji Kobayashi, Satoru Funaki, Takashi Umehara, Naoya Mashiko, Yuusuke Seki, Tatsuyuki Ootani
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Patent number: 7846527Abstract: A honeycomb segment has two kinds of cells having different cross-sectional areas in a cross-section cut along a plane perpendicular to the longitudinal direction of the segment. When the cells are cut along a plane perpendicular to the longitudinal direction of the cells, each cross-sectional area of first cells (large cells) is larger than that of second cells (small cells). The first cells are formed into an octagon where corners are cut off or into a square having circular arc corners. The second cells are formed into a square. The thickness of a 1-1 wall between the adjacent first cells is larger than that of a 1-2 wall between each first cell and each second cell adjacent to the first cell.Type: GrantFiled: August 7, 2009Date of Patent: December 7, 2010Assignee: NGK Insulators, Ltd.Inventor: Yasuyuki Furuta
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Publication number: 20100235699Abstract: A fault diagnosis apparatus and method capable of simultaneously detecting the fault of a multiplexer and the fault of an A/D converter and isolating and identifying causes of these faults, the multiplexer and the A/D converter being used in a multi-channel analog input/output circuit. Test-voltage values are inputted from a diagnosis-voltage input unit into the multiplexer and the A/D converter constituting an analog-signal conversion unit, the multiplexer having plural channels, the A/D converter converting outputs from the multiplexer into digital signals, the test-voltage values being different from each other for each channel of the multiplexer. Comparisons are made between the digital voltage values and the test-voltage values inputted, the digital voltage values being outputted for each channel of the multiplexer. From this comparison result, it is judged whether the multiplexer is at fault or the A/D converter is at fault.Type: ApplicationFiled: February 18, 2010Publication date: September 16, 2010Inventors: Hisashi TERAE, Masakazu Ishikawa, Yasuyuki Furuta, Katsumi Yoshida, Atsushi Nishioka, Yasuhiro Kiyofuji, Takenori Kasahara, Syuichi Nagayama, Fujiya Kawawa, Manabu Kubota, Tatsuyuki Ootani, Hidechiyo Tanaka
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Publication number: 20100093528Abstract: There is disclosed a honeycomb structure having a plurality of segments and each including a plurality of cells, wherein each segment has a porous base material having the honeycomb shape, and a modified portion formed by impregnating a part of the base material with a slurry including particles smaller than the average pore diameter of the base material, followed by a heat treatment, the base material has a porosity of 30 to 80% and an average pore diameter of 5 to 40 ?m, and the modified portion is partially formed on the section of the segment vertical to the axial direction of the cells, and has a porosity which is 2 to 20% lower than that of the base material and an average pore diameter which is 0.1 to 10 ?m smaller than that of the base material.Type: ApplicationFiled: September 10, 2009Publication date: April 15, 2010Applicant: NGK INSULATORS, LTD.Inventors: Yasuyuki FURUTA, Takuya HIRAMATSU, Fumiharu SATO
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Publication number: 20100050062Abstract: The system has, provided in a sending device, a generator generating transmission data including data, a data error detection code generated from the data and a safety flag indicating a degree of reliability, and transmission data; has, provided in a receiving device, a plurality of components of extracting transmission data, a safety flag, and a data error detection code from a received frame, and detecting a data error, a comparator comparing the matching of a plurality of received frames, and a selector selecting one received frame, from the frame error detection result, the safety flag, the data error detection result, and the matching comparison result; and determines the validity of transmitted data by the detection corresponding to the degree of reliability set with the safety flag.Type: ApplicationFiled: October 29, 2009Publication date: February 25, 2010Inventors: Akihiro ONOZUKA, Masakazu ISHIKAWA, Masamitsu KOBAYASHI, Takashi UMEHARA, Shin KOKURA, Hiromichi ENDOH, Satoru FUNAKI, Hisao NAGAYAMA, Masahiro SHIRAISHI, Akira BANDO, Eiji KOBAYASHI, Yasuyuki FURUTA, Naoya MASHIKO
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Publication number: 20090297766Abstract: A honeycomb segment has two kinds of cells having different cross-sectional areas in a cross-section cut along a plane perpendicular to the longitudinal direction of the segnent. When the cells are cut along a plane perpendicular to the longitudinal direction of the cells, each cross-sectional area of first cells (large cells) is larger than that of second cells (small cells). The first cells are formed into an octagon where corners are cut off or into a square having circular arc corners. The second cells are formed into a square. The thickness of a 1-1 wall between the adjacent first cells is larger than that of a 1-2 wall between each first cell and each second cell adjacent to the first cell.Type: ApplicationFiled: August 7, 2009Publication date: December 3, 2009Applicant: NGK INSULATORS, LTD.Inventor: Yasuyuki FURUTA
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Publication number: 20080046603Abstract: A control device diagnoses the operation of a bus arbiter that mediates bus usage requests output by multiple devices in the control device to satisfy both responsiveness and safety. A diagnostic module, implemented as an external diagnostic module, monitors signals related to the arbiter mediation and, if an abnormality caused by a signal sticking condition or an abnormality in a mediation control unit is detected, stops data transfer safely to prevent safety data from being output incorrectly.Type: ApplicationFiled: June 28, 2007Publication date: February 21, 2008Inventors: Eiji Kobayashi, Akira Bandou, Masamitsu Kobayashi, Masahiro Shiraishi, Akihiro Onozuka, Takashi Umehara, Shin Kokura, Masakazu Ishikawa, Yasuyuki Furuta, Satoru Funaki, Yuusuke Seki, Tatsuyuki Ootani, Teruaki Sakata, Kotaro Shimamura
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Publication number: 20080013475Abstract: In a control apparatus which transmits/receives data from a central processing unit via a serial transfer channel to a communication control unit, and groups/distributes data of input/output units from the communication control unit via a parallel transfer channel, the control apparatus initiates a diagnosing unit of the parallel transfer channel in response to an instruction issued from the central processing unit, and diagnosis the input/output units subsequent to the diagnosis of the transmission channel. Data input/output timing of the input/output unit is also instructed from the central processing unit, so that the central processing unit can suppress lowering of response speeds caused by the diagnoses, and can maintain the periodicity of the data input/output.Type: ApplicationFiled: June 28, 2007Publication date: January 17, 2008Inventors: Akira Bandou, Masamitsu Kobayashi, Masahiro Shiraishi, Akihiro Onozuka, Takashi Umehara, Shin Kokura, Eiji Kobayashi, Masakazu Ishikawa, Yasuyuki Furuta, Naoya Mashiko, Satoru Funaki, Yuusuke Seki, Tatsuyuki Ootani, Wataru Sasaki, Yusaku Otsuka, Akihiro Nakano, Shoichi Ozawa, Takenori Kasahara, Yu Iwasaki