483 patents
Page 17 of 25
Utility
Vacuum attraction member
17 Aug 20
A substrate is arranged above a base body such that the substrate comes into contact with an upper end of a support member.
Shinya Kikuchi
Filed: 23 Apr 18
Utility
Electrode embedded member
17 Aug 20
An electrode embedded member includes a plate-shaped substrate having a front surface and a back surface and that is made of a ceramic, an inner electrode extending parallel to the front surface of the substrate and that is embedded in the substrate, a connection member extending parallel to the front surface of the substrate and that is disposed so as to overlap the inner electrode, and a terminal connected to the connection member.
Atsushi Tsuchida
Filed: 28 Oct 18
Utility
Spark plug
10 Aug 20
A spark plug wherein the occurrence of pre-ignition and misfires in the spark plug are suppressed.
Tatsuya Gozawa, Daiki Goto
Filed: 31 Mar 20
Utility
Gas Sensor
5 Aug 20
A gas sensor (1) including a first gas detection element (2) and a second gas detection element (3), a first storage portion (4) having a first internal space (4A), and a first opening (4B) establishing communication between the first internal space (4A) and the outside space thereof exposed to a detection subject atmosphere, a second storage portion (5) having a second internal space (5A) and a second opening (5B) establishing communication between the second internal space (5A) and the outside space, a first membrane (4C) allowing permeation of water vapor and substantially not allowing permeation of a detection target gas, and covering the first opening (4B), and a calculation unit (12) for calculating the concentration of a detection target gas contained in the detection subject atmosphere, based on outputs from the first and second gas detection elements (2, 3), respectively.
Yusuke MATSUKURA, Shoji KITANOYA, Masaya WATANABE, Daisuke ICHIKAWA
Filed: 21 Jan 20
Utility
Gas sensor
3 Aug 20
A gas sensor (100) includes a sensor element (120), a metallic shell (110), a powder filler member (133), a first ceramic holder (135) in contact with the rear end of the powder filler member and from which the sensor element protrudes, and a second ceramic holder (131) in contact with the forward end of the powder filler member and from which the sensor element protrudes.
Daisuke Tahira, Shingo Ito
Filed: 23 Jan 18
Utility
Electrochemical Reaction Unit and Electrochemical Reaction Cell Stack
29 Jul 20
An electrochemical reaction unit including a unit cell including an electrolyte layer, and a cathode and an anode that face each other in a first direction with the electrolyte layer intervening therebetween; and a felt member containing a ceramic material or a metal and a silica component.
Satoru ISHIDA, Tatsuya ONO
Filed: 30 Jan 18
Utility
Spark Plug Inspection Method and Spark Plug Manufacturing Method
29 Jul 20
A spark plug inspection method and a spark plug manufacturing method that enable evaluation for the position of a ground electrode of a tapered-seat-type spark plug.
Atsutoshi HIDAKA
Filed: 18 Dec 19
Utility
Spark Plug
29 Jul 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
Particulate sensor
27 Jul 20
A particulate sensor can reduce the amount of floating ions discharged from the interior of a gas introduction pipe to the outside through a gas discharge opening, without providing an auxiliary electrode member which applies to the floating ions a repulsive force toward the gas introduction pipe to thereby assist the collection of the floating ions by the gas introduction pipe.
Hirokazu Murase, Takeshi Sugiyama, Toshiya Matsuoka
Filed: 17 May 17
Utility
Optical wavelength conversion member and light-emitting device
27 Jul 20
An optical wavelength conversion member and a light-emitting device including the optical wavelength conversion member.
Shohei Takaku, Yusuke Katsu, Tsuneyuki Ito, Yuki Shimura, Takeshi Mitsuoka, Jun Moteki
Filed: 19 Oct 17
Utility
Wiring substrate for electronic component inspection apparatus
27 Jul 20
Takakuni Nasu, Yousuke Kondo, Kouta Kimata, Guangzhu Jin
Filed: 9 Sep 18
Utility
Package
22 Jul 20
A package has a package body formed by stacked insulating layers and having a front surface including a mounting area, a back surface and a side surface; a plurality of hollow portions arranged so as to be adjacent to each other on the front surface of the package body; a plurality of electrode pads individually placed on respective bottom surfaces of the hollow portions; and a partition wall formed by at least one insulating layer that forms the package body and having protruding banks at its both edge sides.
Takayuki MIYAJI
Filed: 16 Dec 19
Utility
Ignition plug
20 Jul 20
The spark plug includes an insulator, a metal shell, and a buffering member.
Susumu Imai
Filed: 7 Aug 17
Utility
Ceramic Sintered Body, Insert, Cutting Tool, and Friction Stir Welding Tool
15 Jul 20
Provided is a ceramic sintered body having high wear resistance and chipping resistance.
Yoshito KOJIMA, Hiroshi YONEKURA, Yusuke KATSU, Takeshi MITSUOKA
Filed: 17 Sep 18
Utility
Ceramic Package
15 Jul 20
Disclosed is a ceramic package for filling with a liquid-containing electrolyte, which includes: a package body defining a recessed cavity open at a front surface of the package body and including first and second ceramic layers stacked together; a plurality of electrode pads disposed on a bottom surface of the recessed cavity; and a plurality of outer connection terminals disposed on a back surface of the package body, wherein each of the electrode pads includes a pad body portion having a polygonal shape in plan view and an interlayer pad portion formed along an interlayer surface between the first and second ceramic layers, wherein the interlayer pad portion has a protruding part protruding outwardly from the pad body portion, and wherein via conductors are formed between the protruding parts of the electrode pads and the outer connection terminals through the first ceramic layer.
Takayuki MIYAJI
Filed: 21 Oct 19
Utility
Assessment method, laser device, and sensor production method
13 Jul 20
Disclosed is an assessment method for making an assessment of laser welding between first and second cylindrical metal members, wherein the first and second cylindrical metal members are arranged coaxially to define an overlap range where the first and second cylindrical metal members overlap each other; and wherein the laser welding is performed on the overlap range along a circumferential direction of the overlap range.
Tsuyoshi Kondo, Atsushi Mori
Filed: 30 Sep 15
Utility
Spark plug
13 Jul 20
A spark plug includes: an insulator with an axial hole; a center electrode held in a front end side of the axial hole; a cylindrical metal shell disposed around the insulator and having a seal part brought into contact with an outer circumferential surface of the insulator; a ground electrode arranged to form a gap with the center electrode; and a cap connected to a front end part of the metal shell to define therein an auxiliary combustion space in which the gap is formed, the cap having at least one through hole formed to provide communication between the auxiliary combustion space and the outside, wherein the condition (B/A)≤0.25 is satisfied where A represents a volume of an imaginary space defined at a position frontward of the seal part; and B represents a volume of parts of the ground and center electrodes located in the imaginary space.
Tatsuya Gozawa
Filed: 22 Aug 19
Utility
Spark plug
13 Jul 20
A spark plug capable of facilitating the growth of a flame kernel.
Kenji Ban
Filed: 7 Apr 20
Utility
Spark plug
13 Jul 20
A spark plug includes a center electrode; a metal shell that retains the center electrode at an outer periphery of the center electrode in an insulating manner; a ground electrode disposed such that a spark gap is formed between the center electrode and an end portion of the ground electrode; and a plug cap connected to the metal shell, the plug cap covering the center electrode and the end portion of the ground electrode from front and having a through hole in a region in front of the ground electrode.
Tatsuya Gozawa, Kenji Ban
Filed: 8 Apr 20
Utility
Gas sensor element and method for producing gas sensor element
6 Jul 20
A gas sensor element including a lead portion (79a) formed on a lower surface of an insulating member (76) and extending through a through hole (176) to an upper surface thereof, and a lead portion (79b) extending from the upper surface of the insulating member (76) through the through hole (176) to the lower surface of the insulating member (76) so as to cover the lead portion (79a) along the inner circumferential wall and a portion of the lower surface around the through hole.
Akinori Kojima, Hitoshi Furuta
Filed: 31 Jul 17