262 patents
Page 6 of 14
Utility
Method for producing ceramic sintered body, and method and device for producing ceramic molded body
27 Apr 21
The present invention is a sintering method of a ceramic for sintering characterized by forming a layer containing a carbon powder on a surface of an article consisting of a ceramic for sintering, and then irradiating with laser a surface of the carbon powder-containing layer of a lamination obtained.
Teiichi Kimura, Satoshi Suehiro
Filed: 2 Feb 17
Utility
Wiring substrate
27 Apr 21
A wiring substrate has a substrate body formed by a single or a plurality of insulating layers and having front and back surfaces located at opposite sides of the substrate body; a plurality of pads formed on at least one of the front surface, the back surface and an inner layer surface that is located between the front and back surfaces, and having a staggered arrangement in plan view; and a plurality of via conductors formed at each of the pads, extending in a thickness direction of the substrate body with the plurality of via conductors being parallel to each other and connecting the pads located on different surfaces.
Takahiro Hayashi
Filed: 8 Jul 19
Utility
Piezoelectric element, piezoelectric actuator and piezoelectric transformer
13 Apr 21
A multilayer piezoelectric element that expands and contracts in response to an applied voltage includes external electrodes disposed on surfaces of an element body, internal electrodes connected to the external electrodes, and piezoelectric layers laminated alternately with the internal electrodes.
Kiyohito Shibata, Norifumi Iwaki, Toru Ezaki, Toshikatsu Nomura
Filed: 7 Oct 16
Utility
Spark plug
13 Apr 21
A spark plug including a cylindrical insulator having a step portion; a center electrode provided in an axial hole of the insulator; and a cylindrical metal shell having a ledge portion, the metal shell holding the insulator from an outer circumferential side in a state in which the step portion is engaged with the ledge portion via a packing, wherein a recess is formed on a part contacting with the packing, of one of the step portion and the ledge portion, and a projection which at least partially overlaps the recess in the axial-line direction is formed on a part contacting with the packing, of the other of the step portion and the ledge portion.
Yusuke Tanahashi, Naoki Nishio
Filed: 12 Oct 20
Utility
Method of manufacturing spark plug that reliably prevents gasket from coming off mounting screw
13 Apr 21
A method of manufacturing a spark plug (1) including a disposing step, a contacting step, and a deforming step.
Keijiro Kuroda
Filed: 25 Feb 20
Utility
Spark plug
6 Apr 21
The present invention provides spark plug that can improve detection accuracy of pre-ignition caused by flame kernel occurring inside spark plug.
Masaru Kano, Kiyoteru Mori, Tomohiro Iwatsuka, Yoshiki Inoue, Keita Nakagawa
Filed: 22 May 17
Utility
Gas sensor
6 Apr 21
A gas sensor includes a sensing element, a metal shell that is tubular and that surrounds the sensing element, and a protector made of a metal and fixed to the metal shell.
Yuji Shimazaki, Hironari Furuta, Kentaro Mori
Filed: 10 Dec 18
Utility
Ignition plug
6 Apr 21
A spark plug that improves the heat resistance performance of an ignition plug.
Kenji Ban
Filed: 25 Jun 20
Utility
NOx sensor control device and NOx sensor control method
30 Mar 21
A NOx sensor control device is connected to a NOx sensor mounted in an internal combustion engine.
Kenji Kato, Yuuya Nakayama, Hirotaka Onogi, Masao Tsuzuki, Takumi Nishiyama
Filed: 8 May 19
Utility
Ammonia sensor element and gas sensor
30 Mar 21
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.
Yoshihiro Nakano, Tetsuo Yamada
Filed: 11 Mar 19
Utility
Spark plug
30 Mar 21
A spark plug capable of avoiding a discharge member bonded to a base material from peeling off easily is provided.
Daisuke Sumoyama, Kazuki Ito
Filed: 3 Sep 19
Utility
Heating device
23 Mar 21
A heating device includes a base body that has a placement surface for placing a wafer thereon and a back surface that is on an opposite side of the placement surface; a heating resistor that is embedded in the base body; a cylindrical supporting body that has one end surface and the other end surface, the one end surface being connected to the back surface of the base body, the other end surface being on an opposite side of the one end surface; and a supporting-body channel that includes a portion extending in a direction from the other end surface to the one end surface of the cylindrical supporting body, and that is formed within a peripheral wall of the cylindrical supporting body.
Noriaki Tokusho
Filed: 25 Oct 17
Utility
Spark plug
23 Mar 21
In the spark plug, an insulator is held by a metal shell via a packing.
Yusuke Kawashima, Naoki Nishio, Yusuke Tanahashi
Filed: 30 Sep 20
Utility
Spark plug
23 Mar 21
In a spark plug, a base material contains 50 mass % or more of Ni, 8 mass % or more and 40 mass % or less of Cr, 0.01 mass % or more and 2 mass % or less of Si, 0.01 mass % or more and 2 mass % or less of Al, 0.01 mass % or more and 2 mass % or less of Mn, 0.01 mass % or more and 0.1 mass % or less of C, and 0.001 mass % or more and 5 mass % or less of Fe.
Daisuke Sumoyama, Kazuki Ito
Filed: 3 Sep 19
Utility
Spark plug
9 Mar 21
A spark plug includes a plug cap having a plurality of through holes.
Kenji Ban, Tatsuya Gozawa
Filed: 11 Mar 20
Utility
Heating device
9 Mar 21
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 member joined to the holding member.
Jun Kurano
Filed: 28 Sep 17
Utility
Sensor control apparatus
23 Feb 21
A sensor control apparatus includes a current control section, a first condition judgment section, a second condition judgment section, a deterioration detection energization section, and a deterioration voltage detection section.
Yuzo Higuchi
Filed: 20 Sep 18
Utility
Ignition plug, control system, internal combustion engine, and internal combustion engine system
23 Feb 21
An ignition plug includes a tubular insulator, a metallic shell disposed around the outer circumference of the insulator, a center electrode disposed in an axial hole of the insulator, and a ground electrode connected to the forward end of the metallic shell and facing the center electrode.
Tomoaki Kato
Filed: 14 Mar 17
Utility
Sensor control apparatus
16 Feb 21
A sensor control apparatus supplies a constant current to an oxygen concentration detection cell when it judges that oxygen concentration is greater than 15% (the concentration of oxygen contained in a measurement chamber is high).
Yoshihiro Nakano
Filed: 25 Sep 18
Utility
Gas sensor element, gas sensor, and method for producing gas sensor element
16 Feb 21
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.
Hitoshi Furuta, Tetsuo Yamada, Akinori Kojima
Filed: 19 Feb 19