483 patents
Page 15 of 25
Utility
Sensor element and gas sensor including the sensor
9 Nov 20
A plate-shaped sensor element (10) including at least a first layer (150), a second layer (130), and a third layer (140) being stacked in a stacking direction.
Ai Igarashi, Kouji Toida, Shun Sakuma
Filed: 11 Jun 18
Utility
Sensor Element and Gas Sensor
28 Oct 20
A sensor element (10) including: a measurement chamber (150); a pump cell (110) including a solid electrolyte (111), an inner electrode (113) exposed to the measurement chamber, and an outer electrode (112), the pump cell being configured to adjust an oxygen concentration in the measurement chamber; a diffusion resistance portion (151); and a detection cell (120) configured to measure a concentration of a specific gas in the measurement target gas after the adjustment of the oxygen concentration.
Hitoshi FURUTA, Kentaro Kamada, Akinori Kojima, Satoshi Yamahara, Akihiro Hara
Filed: 19 Apr 20
Utility
Method for Manufacturing Sensor Element
21 Oct 20
A method for manufacturing a sensor element that includes: a pair of electrodes; a ceramic layer having a hollow space that is to be an air introduction hole; and a first layer and a second layer stacked at both surfaces of the ceramic layer, One of the electrodes is in communication with the hollow space, The method includes: preparing an unsintered ceramic sheet, and a burn-out material sheet having a thickness different from that of the unsintered ceramic sheet, the burn-out material sheet having, in a plane orthogonal to the direction of an axial line O, a cross-sectional area substantially identical to a cross-sectional area of the pre-sintering hollow space; placing the burn-out material sheet in the pre-sintering hollow space; pressing the sheets so as to have an identical thickness; and burning out the burn-out material sheet.
Satoshi OKAZAKI, Masaki MIZUTANI, Ai IGARASHI
Filed: 2 Mar 20
Utility
Spark Plug
21 Oct 20
A spark plug having excellent ignitability including a rod-shaped center electrode; a ground electrode that includes a facing portion facing a front end portion of the center electrode and forms a discharge gap between the facing portion and the front end portion of the center electrode; an insulator; a metal shell; and a cover portion that covers, from a front end side of the spark plug, the front end portion of the center electrode and the facing portion of the ground electrode to form a pre-chamber and includes injection holes that are through holes.
Tatsuya GOZAWA, Kenji BAN, Daiki GOTO
Filed: 9 Mar 20
Utility
Concentration computation apparatus
19 Oct 20
A microcomputer calculates the concentration of ammonia contained in exhaust gas.
Shinya Miyamoto, Yoshihiro Nakano
Filed: 28 Jun 18
Utility
Wiring board and manufacturing method thereof
19 Oct 20
Disclosed is a wiring board including: an insulating substrate; a plurality of connection terminals arranged on the insulating substrate; and a plurality of non-conductive protruding parts respectively arranged on areas of the insulating substrate except areas on which the plurality of connection terminals are arranged.
Takahiro Hayashi, Tomoaki Mizutani
Filed: 3 Mar 20
Utility
Spark plug
19 Oct 20
A spark plug includes: a center electrode; a ground electrode that is provided such that a gap for spark discharge is formed between the center electrode and the ground electrode; and a plug cover covering the center electrode and the ground electrode from a front side.
Tatsuya Gozawa, Kenji Ban
Filed: 18 May 20
Utility
Diaphragm suppressing pressure sensor
12 Oct 20
A pressure sensor including: a cylindrical casing extending in an axial direction; a diaphragm joined to the distal end side of the casing, extending in a direction intersecting the axis of the casing and deforming in accordance with pressure received on the distal end side; and a sensor section disposed inside the casing and outputting an electric signal corresponding to the deformation of the diaphragm.
Yusuke Fuji, Tatsunori Yamada, Daiki Goto, Junki Iwabuchi
Filed: 7 Dec 16
Utility
Method for manufacturing a spark plug that makes welded portions uniform
12 Oct 20
A method for manufacturing a spark plug so as to make welded portions uniform.
Shunsuke Maki
Filed: 25 Sep 17
Utility
Spark plug
12 Oct 20
A spark plug including a ground electrode including a base material, a tip having a discharge surface, and a melt portion interposed over an entire area between the tip and the base material and joining the tip to the base material; and a center electrode with a spark gap formed between the center electrode and the discharge surface.
Takashi Sekizawa, Tomokatsu Kashima, Yasushi Sakakura
Filed: 14 Jan 20
Utility
NOx SENSOR ELEMENT AND NOx SENSOR
7 Oct 20
A NOx sensor element includes: a first pump cell configured to adjust an oxygen concentration in a first measurement chamber; a diffusion resistance portion configured to adjust a diffusion rate of a measurement target gas introduced into the first measurement chamber; and a second pump cell in which a pump current corresponding to a NOx concentration in the measurement target gas after the adjustment of the oxygen concentration, flows.
Kentaro KAMADA, Hitoshi FURUTA
Filed: 29 Mar 20
Utility
Corrosion Resistant Materials
30 Sep 20
A corrosion resistant member has a portion to be exposed to a corrosive gas.
Keisuke SATO, Tomoyuki ASANO
Filed: 24 Mar 20
Utility
Spark Plug
30 Sep 20
A spark plug includes a tubular metallic shell having an attachment screw portion having an external thread.
Susumu IMAI
Filed: 29 Mar 20
Utility
Spark Plug
30 Sep 20
A spark plug includes a tubular metallic shell having an attachment screw portion having an external thread, an insulator disposed inside the metallic shell and having an axial hole, and a center electrode disposed in the axial hole.
Susumu IMAI
Filed: 30 Mar 20
Utility
Discharge Control Apparatus and Method
30 Sep 20
A discharge control apparatus for controlling a flyback power supply circuit which includes a transformer having a primary coil and a secondary coil and performing voltage conversion, and a driver for controlling energization of the primary coil.
Yuji MATSUMOTO, Kazunari KOKUBO
Filed: 23 Mar 20
Utility
Spark plug
28 Sep 20
A spark plug includes a tubular metallic shell having an attachment screw portion having an external thread.
Susumu Imai
Filed: 29 Mar 20
Utility
Optical Wavelength Converter and Composite Optical Device
23 Sep 20
An optical wavelength converter (1) is configured such that an optical wavelength conversion member (9) is bonded to a heat dissipation member (13) having superior heat dissipation property.
Syohei TAKAKU, Yusuke KATSU, Tsuneyuki ITO, Yuki SHIMURA, Shinji BAN, Takeshi MITSUOKA
Filed: 9 Sep 18
Utility
Silicon Nitride-based Sintered Body and Cutting Insert
23 Sep 20
A silicon nitride-based sintered body containing silicon nitride-based grains, which are silicon nitride grains or sialon grains.
Hiroko NAKAYAMA, Atsushi KOMURA
Filed: 29 Mar 17
Utility
Spark plug
21 Sep 20
Spark plug has first and second electrodes.
Tomoki Kawai
Filed: 30 May 19
Utility
Circuit board and production method therefor
21 Sep 20
A method of manufacturing a circuit substrate includes the steps of preparing a conductor paste in which a powder of at least one of a metal boride and a metal silicide is added to a powder of silver (Ag), applying the conductor paste to a surface of a ceramic substrate which has been fired, applying a glass paste to the surface of the ceramic substrate after applying the conductor paste, firing the conductor paste applied to the surface so as to form a conductor trace, and firing the glass paste applied to the surface so as to form a coating layer.
Tatsuya Katoh, Masanori Ito, Masaki Kutsuna
Filed: 9 Jul 18