262 patents
Page 11 of 14
Utility
Fuel cell stack and method for manufacturing fuel cell stack
25 May 20
A fuel cell stack including a plurality of electricity generation units fastened by means of a plurality of fastening members.
Nobuyuki Hotta, Hideki Ishikawa, Shunta Ohashi, Yasuki Izutsu
Filed: 6 Jun 16
Utility
Spark plug
25 May 20
A spark plug includes: a center electrode; an insulating member; a metal shell; a ground electrode; and a cap covers an opening of the metal shell on the front end side to define an auxiliary combustion space in which the gap is disposed, a first angle being formed by a second line and a first tangent line, a second angle being formed by the second line and a second tangent line, the second angle being greater than the first angle, and at least a portion of the opening of the specific through hole on the auxiliary combustion space side being positioned on a range of the second angle.
Tatsuya Gozawa
Filed: 27 Jun 19
Utility
Spark plug electrode wearing rate estimating method and apparatus
11 May 20
A spark plug electrode wearing rate estimating method for a spark plug in which spark discharge occurs between two electrodes by application of voltage generated by an ignition coil, includes the step of estimating a wearing rate of a first electrode in one spark discharge based on a temperature of the first electrode, and a spark discharge voltage and supply energy from the ignition coil.
Takahiro Karumi
Filed: 22 May 19
Utility
Spark plug
11 May 20
A spark plug includes a tip extending in a first direction and an electrode base metal having an extending portion extending in the first direction and connected to the tip through a fusion zone.
Junji Kimura
Filed: 7 Jul 19
Utility
Ceramic-metal structure
4 May 20
A ceramic-metal structure in which a metallic body (2) is inserted into or disposed above a through hole (4h) of a ceramic substrate (4) and which includes an annular pad layer (6) disposed around the through hole; an annular ring member (8) joined to the pad layer via a first brazing filler portion (10) and having a coefficient of thermal expansion smaller than that of the metallic body; a second brazing filler portion (12) intervening between the ring member and metallic body; and brazing filler flow prevention layers (7a, 7b) covering an outer surface of the pad layer so as to expose a central region (6c) of the outer surface of the pad layer facing the first brazing filler portion.
Muneyuki Iwata, Yoshiaki Nagaya, Toshikazu Horio, Shigeyuki Yamamoto
Filed: 13 Jul 17
Utility
Method of inspecting spark plug and method of manufacturing spark plug
4 May 20
A plurality of assemblies are prepared, and a predetermined voltage is applied to a center electrode of each of the plurality of assemblies.
Masafumi Okuda
Filed: 23 Jul 19
Utility
Method for manufacturing gas sensor element
27 Apr 20
Disclosed is a manufacturing method of a gas sensor element.
Yuri Saito, Tatsuhiko Muraoka, Masaki Nakagawa
Filed: 6 Mar 18
Utility
Method for producing gas sensor element
27 Apr 20
A method for producing a gas sensor element (10), the gas sensor element including a diffusive porous layer (113) disposed in a measurement chamber (111) and exposed to the outside and a ceramic insulating layer (115) forming sidewalls of the measurement chamber.
Ai Igarashi, Kouji Toida, Akinori Kojima, Akihiro Hara, Hitoshi Furuta
Filed: 7 May 18
Utility
Fuel cell stack and method for manufacturing fuel cell stack
27 Apr 20
A fuel cell stack including a plurality of electricity generation units fastened by means of a plurality of fastening members.
Nobuyuki Hotta, Hideki Ishikawa, Shunta Ohashi, Yasuki Izutsu
Filed: 6 Jun 16
Utility
Method for manufacturing insulator for spark plug
27 Apr 20
A method for manufacturing an insulator for a spark plug includes a molding process of forming a cylindrical molded product having an axial hole that extends in a direction of an axial line, by means of injection molding using a mold that has a columnar cavity therein and a bar-shaped member disposed in the cavity and extending in the direction of the axial line.
Hironori Uegaki, Hirokazu Kurono, Toshitaka Honda, Hiroyuki Hazama
Filed: 22 Sep 15
Utility
Sensor control apparatus and sensor control system
20 Apr 20
A sensor control apparatus for a gas sensor which detects a particular gas component contained in a gas under measurement.
Dai Nishijima, Satoshi Teramoto
Filed: 10 Jul 18
Utility
Heating device
20 Apr 20
A heating device includes a holding member having a resistive heating element, a columnar support member joined to the holding member, power receiving electrodes connected to the resistive heating element, and an electrode terminal unit disposed in each of through holes in the columnar support member.
Jun Kurano, Kazutaka Tanaka
Filed: 14 Sep 17
Utility
Electrically conductive oxide sintered compact, member for electrical conduction, gas sensor, piezoelectric element, and method for producing piezoelectric element
20 Apr 20
An electrically conductive oxide sintered compact according to one embodiment of the present invention includes a crystal phase that has a perovskite oxide crystal structure represented by the composition formula: REaCobCucNidOx where RE is a rare-earth element; a+b+c+d=1; and 1.25≤x≤1.75, wherein the values of a, b, c and d respectively satisfy the following conditions: 0.474≤a≤0.512; 0.050≤b≤0.350; 0≤c≤0.250; and 0.050≤d≤0.350.
Hisashi Kozuka, Yasuyuki Okimura, Kazushige Ohbayashi
Filed: 6 Dec 15
Utility
Particulate detection system
13 Apr 20
A particulate detection system detects the amount of particulates contained in filtered exhaust gas which has passed through a filter and is discharged to the outside of the vehicle.
Takeshi Sugiyama
Filed: 28 Aug 18
Utility
Spark plug
13 Apr 20
A spark plug includes a metallic shell having a cylindrical trunk portion with a male screw formed on its outer circumferential surface and a seat portion located adjacent to the rear end of the trunk portion and projecting radially outward.
Ryoki Yagi
Filed: 18 Jun 19
Utility
Heating device
6 Apr 20
A heating device includes a holding member and having thereinside a plurality of resistive heating elements connected to different pairs of electrode terminals, and a columnar support joined to the second surface of the holding member.
Jun Kurano
Filed: 27 Sep 17
Utility
Method for manufacturing spark plug
6 Apr 20
A method for manufacturing a spark plug including a reference standard imaging step of imaging a plurality of reference standards to obtain a plurality of reference images, each reference standard having a reference part with a predetermined known dimension; a reference standard measuring step of measuring a measured dimension or a measured number of pixels of the reference part in the plurality of reference images; a regression line deriving step of obtaining a regression line by the least squares method from: the measured dimension or the measured number of pixels of the plurality of reference standards; and the known dimensions; and a determining step of determining whether a target part in a target image is within a predetermined range based on a correction value obtained by correcting a measured dimension of a target part by using a relational expression describing the regression line.
Kota Nishimura, Norihide Kachikawa
Filed: 7 Jul 19
Utility
Wavelength conversion member, manufacturing method therefor, and light-emitting device
6 Apr 20
Yumi Sato, Yoshifumi Tsutai, Takashi Abe, Yutaka Sato
Filed: 2 Feb 17
Utility
Spark plug
30 Mar 20
The spark plug includes: an insulator having an axial hole formed along an axial line; and a metal terminal provided on a rear side of the axial hole of the insulator.
Mai Nakamura
Filed: 30 Jun 19
Utility
Spark plug
23 Mar 20
A spark plug enabling suppression of reduction in the strength of an insulator.
Kengo Fujimura, Kimihiro Nishizono, Hiroki Ota
Filed: 4 Sep 17