Patents by Inventor Tetsuo Yamada
Tetsuo Yamada 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: 20190302050Abstract: Disclosed is a gas sensor element having an electrode containing a first metal as a predominant component and a lead containing a second metal as a predominant component. The electrode and the lead are connected directly at a connection boundary thereof, or connected indirectly via a connection joint. The connection boundary or joint includes a component region where either one of the first and second metals lower in specific gravity than the other of the first and second metals is contained in an amount ranging between those in the electrode and the lead.Type: ApplicationFiled: March 26, 2019Publication date: October 3, 2019Applicant: NGK SPARK PLUG CO., LTD.Inventors: Hitoshi FURUTA, Tetsuo YAMADA, Yoshihiro NAKANO
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Publication number: 20190302077Abstract: Disclosed is an ammonia sensor element for detecting ammonia in a gas under measurement, including two mixed-potential-type ammonia detection cells that respectively include first and second ammonia detection electrodes. The first ammonia detection electrode has a metal composition containing Au as a predominant component. The second ammonia detection electrode has a metal composition containing Au as a predominant component. The metal compositions of the first and second ammonia detection electrodes are different from each other.Type: ApplicationFiled: March 11, 2019Publication date: October 3, 2019Applicant: NGK SPARK PLUG CO., LTD.Inventors: Yoshihiro NAKANO, Tetsuo YAMADA
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Publication number: 20190257783Abstract: A gas sensor element configured to detect a first component and a second component of a measurement target gas comprises an element body portion, a first detection portion, a second detection portion with a porous region, and an element protection portion. The element protection portion covers the porous region and a region at the front side with respect to the porous region in a normal side face, and covers a part of a region at the front side with respect to the second detection portion without covering the second detection portion in a second detection side face. The element protection portion is formed so as not to cover the second detection portion but to cover the porous portion of the first detection portion.Type: ApplicationFiled: February 19, 2019Publication date: August 22, 2019Applicant: NGK Spark Plug Co., LTD.Inventors: Hitoshi FURUTA, Tetsuo YAMADA, Akinori KOJIMA
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Patent number: 10369941Abstract: A wire harness includes a first conductor path having a high priority in protection, a second conductor path having a priority in protection which is lower than that of the first conductor path, and an external member having a tubular shape and accommodating the first conductor path and the second conductor path altogether so as to protect them. The external member has a form in which the first conductor path is positioned farther away from a road surface than the second conductor path within a predetermined range in a longitudinal direction thereof.Type: GrantFiled: December 11, 2017Date of Patent: August 6, 2019Assignee: YAZAKI CORPORATIONInventors: Hideomi Adachi, Takeshi Ogue, Masahide Tsuru, Hiroyuki Yoshida, Kenta Yanazawa, Toshihiro Nagashima, Tetsuo Yamada
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Patent number: 10288579Abstract: An ammonia detection section is disposed on an electrically insulating layer and includes a reference electrode, a solid electrolyte body for ammonia, and a detection electrode that are stacked in this order on the electrically insulating layer. In the ammonia detection section, a three-phase boundary is formed at the interface between the reference electrode and the solid electrolyte body for ammonia, and another three-phase boundary is formed at the interface between the detection electrode and the solid electrolyte body for ammonia. The concentration of ammonia in exhaust gas is thereby detected. The ammonia detection section includes a porous layer formed of an electrically insulating porous material and disposed between the insulating layer and the reference electrode.Type: GrantFiled: February 7, 2017Date of Patent: May 14, 2019Assignee: NGK SPARK PLUG CO., LTD.Inventors: Yoshihiro Nakano, Tetsuo Yamada
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Patent number: 10283237Abstract: In a water cut-off structure including: a shield electric wire having a braid covering signal lines; an exterior member through which the shield electric wire is inserted; and a grommet that is arranged at an opening of an attachment member, partitions one side and the other side of the attachment member, and has an insertion portion through which the shield electric wire is inserted, an exposed portion where the braid is exposed to the outside is arranged between the insertion portion and the exterior member and is provided with resin that is formed integrally with the exterior member and the insertion portion and is poured into a space between the signal lines in the braid, a space between the braid and the signal lines, a space in the braid, a space between the braid and the exterior member, and a space between the braid and the insertion portion.Type: GrantFiled: October 16, 2018Date of Patent: May 7, 2019Assignee: YAZAKI CORPORATIONInventors: Tetsuo Yamada, Hideomi Adachi, Takeshi Ogue, Masahide Tsuru, Hiroyuki Yoshida, Kenta Yanazawa, Toshihiro Nagashima
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Publication number: 20190131783Abstract: Provided is a grommet having: a main body, which is arranged in close contact with an opening of n attachment member, through which a shield electric wire having an electric wire covered with a braid is inserted, and which includes an elastically deformable electrically conductive material; a pair of shield terminals that are arranged respectively on one side and the other side of the attachment member, are connected with end portions of the braid, are assembled with the main body, and include an electrically conductive material; and an insertion portion, which is formed of a member continuous with the main body, through which the electric wire exposed from the braid is inserted, and which comes into close contact with the outer circumference of the electric wire.Type: ApplicationFiled: October 23, 2018Publication date: May 2, 2019Applicant: Yazaki CorporationInventors: Kenta YANAZAWA, Hideomi ADACHI, Masahide TSURU, Hiroyuki YOSHIDA, Toshihiro NAGASHIMA, Takeshi OGUE, Tetsuo YAMADA
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Publication number: 20190115121Abstract: A waterproofing structure for shielded cable includes: a shielded cable including one or more cables and a braided wire serving as a shielding member and covering the cables; a grommet serving as a waterproofing member and covering a waterproofed portion on the braided wire; and a heat shrinkable tube including an adhesive disposed to cover the waterproofed portion of the braided wire 13. The adhesive pushed into the braided wire by heat shrinkage of the heat shrinkable tube fills a gap between a plurality of strands of the braided wire in an entire region of the waterproofed portion and a gap between the cable and the braided wire. A space between an outer circumferential surface of the heat shrinkable tube and a part of an inner circumferential surface of the waterproofing member is blocked without any gap in a circumferential direction.Type: ApplicationFiled: October 15, 2018Publication date: April 18, 2019Applicant: Yazaki CorporationInventors: Takeshi OGUE, Hideomi ADACHI, Masahide TSURU, Hiroyuki YOSHIDA, Kenta YANAZAWA, Toshihiro NAGASHIMA, Tetsuo YAMADA
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Publication number: 20190115120Abstract: A waterproofing structure for shielded cable includes: a shielded cable including one or more cables and a braided wire serving as a shielding member and covering the cables; and a grommet serving as a waterproofing member covering a waterproofed portion of the braided wire. Thermoplastic resins serving as waterproofing fillers are respectively disposed on an inner side and an outer side of the waterproofed portion of the braided wire. The gaps between the plurality of strands of the braided wire and the gap between the braided wire and the small-diameter cylindrical portion of the grommet are filled with the thermoplastic resin melted by heating.Type: ApplicationFiled: October 15, 2018Publication date: April 18, 2019Applicant: Yazaki CorporationInventors: Takeshi OGUE, Hideomi ADACHI, Masahide TSURU, Hiroyuki YOSHIDA, Kenta YANAZAWA, Toshihiro NAGASHIMA, Tetsuo YAMADA
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Publication number: 20190115122Abstract: In a water cut-off structure including: a shield electric wire having a braid covering signal lines; an exterior member through which the shield electric wire is inserted; and a grommet that is arranged at an opening of an attachment member, partitions one side and the other side of the attachment member, and has an insertion portion through which the shield electric wire is inserted, an exposed portion where the braid is exposed to the outside is arranged between the insertion portion and the exterior member and is provided with resin that is formed integrally with the exterior member and the insertion portion and is poured into a space between the signal lines in the braid, a space between the braid and the signal lines, a space in the braid, a space between the braid and the exterior member, and a space between the braid and the insertion portion.Type: ApplicationFiled: October 16, 2018Publication date: April 18, 2019Applicant: Yazaki CorporationInventors: Tetsuo YAMADA, Hideomi ADACHI, Takeshi OGUE, Masahide TSURU, Hiroyuki YOSHIDA, Kenta YANAZAWA, Toshihiro NAGASHIMA
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Publication number: 20180243055Abstract: A workpiece unit including a workpiece body having a protruding portion; and a holding member arranged on at least a part of an outer side of the protruding portion.Type: ApplicationFiled: March 18, 2016Publication date: August 30, 2018Applicant: KURARAY NORITAKE DENTAL INC.Inventors: Yoshihisa ITO, Tetsuo YAMADA
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Publication number: 20180233893Abstract: A structure of an inter-conducting path connecting portion which is a connecting site of one and the other cut conducting paths which are in a cut state and in an adjacent state is provided. The structure includes an inter-connecting end connecting portion in which connecting ends of conductors of the one and the other cut conducting paths are connected to each other, a conductor exposed portion in which outer circumferences of the conductors are exposed on both sides of the inter-connecting end connecting portion, an insulating waterproof treatment portion for performing treatment directly on the conductor exposed portion such that the conductor exposed portion comes into an insulating state and a waterproof state, and a shield processing part that covers the entire insulating waterproof treatment portion.Type: ApplicationFiled: January 11, 2018Publication date: August 16, 2018Applicant: Yazaki CorporationInventors: Hideomi Adachi, Takeshi Ogue, Masahide Tsuru, Hiroyuki Yoshida, Toshihiro Nagashima, Tetsuo Yamada
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Publication number: 20180162297Abstract: A wire harness includes a first conductor path having a high priority in protection, a second conductor path having a priority in protection which is lower than that of the first conductor path, and an external member having a tubular shape and accommodating the first conductor path and the second conductor path altogether so as to protect them. The external member has a form in which the first conductor path is positioned farther away from a road surface than the second conductor path within a predetermined range in a longitudinal direction thereof.Type: ApplicationFiled: December 11, 2017Publication date: June 14, 2018Inventors: Hideomi Adachi, Takeshi Ogue, Masahide Tsuru, Hiroyuki Yoshida, Kenta Yanazawa, Toshihiro Nagashima, Tetsuo Yamada
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Publication number: 20180110598Abstract: Disclosed herein is a workpiece unit containing a workpiece body, and a holding member which is arranged at least at a part of an outer circumferential portion of the workpiece body and directly contacts with at least a part of the outer circumferential portion.Type: ApplicationFiled: March 18, 2016Publication date: April 26, 2018Applicant: KURARAY NORITAKE DENTAL INC.Inventors: Yoshihisa ITO, Tetsuo YAMADA
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Publication number: 20180064515Abstract: Provided are: a workpiece unit (10) that makes it possible to attach a holding member (1) to a workpiece body (1) at a suitable position and that minimizes displacement of the holding member (2) after attachment thereof; and a method for producing the workpiece unit (10). The workpiece unit (10) is provided with a workpiece body (1) and a holding member (2) arranged on at least a part of the outer circumference (1c) of the workpiece body (1). The workpiece body (1) comprises at least one first positioning section (1d) at a part facing the holding member (2). The holding member (2) comprises a second positioning section (2d) that engages with at least a part of the first positioning section (1d).Type: ApplicationFiled: March 18, 2016Publication date: March 8, 2018Applicant: KURARAY NORITAKE DENTAL INC.Inventors: Yoshihisa ITO, Tetsuo YAMADA
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Publication number: 20180001849Abstract: A wire harness includes a conductive path for electrically connecting devices to each other and a function enhancement part, in which one or multiple locations of an intermediate portion of the conductive path are disconnected, and disconnected portions of the conductive path are electrically connected to each other to enhance a function. The function enhancement part, in a state before the function is enhanced, is formed in a structure part in which a male connector provided on one end of a disconnected position of the conductive path and a female connector provided on the other end of the disconnected positions of the conductive path are connected together. The function enhancement part, in a state that the function is enhanced, is formed in a structure part in which one or multiple function enhancement part main bodies are arranged between the male connector and the female connector.Type: ApplicationFiled: June 29, 2017Publication date: January 4, 2018Applicant: Yazaki CorporationInventors: Kimihiro ABE, Hideomi ADACHI, Masahide TSURU, Takeshi OGUE, Hiroyuki YOSHIDA, Kenta YANAZAWA, Toshihiro NAGASHIMA, Tetsuo YAMADA, Youji INAGAWA, Shigeru TANAKA, Takayoshi HIRAKAWA, Yasuhiro TANAKA
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Publication number: 20170227490Abstract: An ammonia detection section is disposed on an electrically insulating layer and includes a reference electrode, a solid electrolyte body for ammonia, and a detection electrode that are stacked in this order on the electrically insulating layer. In the ammonia detection section, a three-phase boundary is formed at the interface between the reference electrode and the solid electrolyte body for ammonia, and another three-phase boundary is formed at the interface between the detection electrode and the solid electrolyte body for ammonia. The concentration of ammonia in exhaust gas is thereby detected. The ammonia detection section includes a porous layer formed of an electrically insulating porous material and disposed between the insulating layer and the reference electrode.Type: ApplicationFiled: February 7, 2017Publication date: August 10, 2017Applicant: NGK Spark Plug Co., LTD.Inventors: Yoshihiro NAKANO, Tetsuo YAMADA
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Patent number: 9658133Abstract: A multigas sensor (200A) includes a multigas sensor element portion (100A) having: a NOx sensor portion (30A) which detects the concentration of NOx; and first and second ammonia sensor portions (42x, 42y) having different ratios between a sensitivity of ammonia and a sensitivity of NOx. The multigas sensor element portion has a plate-like shape which extends in the direction of the axis O. A temperature detecting portion (6) used for controlling the temperature of the NOx sensor portion is disposed in the multigas sensor element portion. The first and second ammonia sensor portions are disposed on the outer surface of the NOx sensor portion so that at least parts of the first and second ammonia sensor portions overlap with a first region (6s) which is defined in the width direction by ends in the axial direction of the temperature detecting portion.Type: GrantFiled: July 8, 2014Date of Patent: May 23, 2017Assignee: NGK SPARK PLUG CO., LTD.Inventors: Shiro Kakimoto, Yoshihiro Nakano, Tetsuo Yamada
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Publication number: 20150013431Abstract: A multigas sensor (200A) includes a multigas sensor element portion (100A) having: a NOx sensor portion (30A) which detects the concentration of NOx; and first and second ammonia sensor portions (42x, 42y) having different ratios between a sensitivity of ammonia and a sensitivity of NOx. The multigas sensor element portion has a plate-like shape which extends in the direction of the axis O. A temperature detecting portion (6) used for controlling the temperature of the NOx sensor portion is disposed in the multigas sensor element portion. The first and second ammonia sensor portions are disposed on the outer surface of the NOx sensor portion so that at least parts of the first and second ammonia sensor portions overlap with a first region (6s) which is defined in the width direction by ends in the axial direction of the temperature detecting portion.Type: ApplicationFiled: July 8, 2014Publication date: January 15, 2015Applicant: NGK SPARK PLUG CO., LTD.Inventors: Shiro KAKIMOTO, Yoshihiro NAKANO, Tetsuo YAMADA
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Publication number: 20140362268Abstract: A solid-state imaging apparatus allows precise observation and analysis of ultra-high-speed phenomena at a frame rate more than 100 Mega frames per second, which has been targeted in advanced science and engineering. The solid-state imaging apparatus comprises pixels arranged in M columns and N rows. Each pixel includes a first layer for photoelectric conversion and a second layer having m charge collection devices, where m is equal to or greater than 3, for collecting and storing charges generated light incident on a substantially whole area of the pixel, and a readout device for reading out the charges, where m charge collection devices are locally placed in an area around a center of the pixel. The second layer further includes a second storage device for storing the charges collected and stored by each of the collection devices.Type: ApplicationFiled: August 25, 2014Publication date: December 11, 2014Inventors: Takeharu ETOH, Tetsuo YAMADA, Dao VU TRUONG SON