217 patents
Page 7 of 11
Utility
Holding Device and Method of Manufacturing Holding Device
23 Dec 20
A holding device including a ceramic member formed of a sintered ceramic material containing aluminum nitride as a main component, a heating resistor element formed of a metal and disposed in the ceramic member, and an electrically conductive electricity supply member in contact with the heating resistor element.
Ryunosuke SAKAMAKI, Katsuya TAKAOKA, Hiroshi WATANABE
Filed: 12 Nov 19
Utility
Light Wavelength Conversion Member and Light Emitting Device
16 Dec 20
An optical wavelength conversion member (9) provided with a ceramic plate (11) which is configured from a polycrystalline body that is mainly composed of Al2O3 and a component represented by A3B5O12:Ce; and each of A and B in A3B5O12 represents at least one element selected from the element groups described below.
Tsuneyuki ITO, Yusuke KATSU, Shohei TAKAKU
Filed: 9 Nov 17
Utility
Method for Manufacturing Spark Plug
18 Nov 20
The present invention provides a method of manufacturing a spark plug which is capable of securing a bonding strength at the middle of a chip while suppressing an occurrence of scattering.
Shunsuke Maki
Filed: 29 May 18
Utility
Gas Sensor Element and Gas Sensor
18 Nov 20
Provided are a gas sensor element which is not prone to decreased precision of gas detection due to a decrease in temperature of a gas to be measured, and a gas sensor.
Mika TANGE, Keisuke NAKAGAWA, Takashi NAKAO, Shigehiro OHTSUKA
Filed: 11 Sep 18
Utility
Spark Plug
11 Nov 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 to form an auxiliary chamber.
Tatsuya Gozawa, Daiki Goto
Filed: 6 May 20
Utility
Spark Plug
11 Nov 20
A spark plug wherein the occurrence of cracks at a joint portion between a cover portion and a metal shell in the spark plug is prevented.
Tatsuya GOZAWA
Filed: 30 Mar 20
Utility
Spark Plug
11 Nov 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 to form an auxiliary chamber, the plug cover being provided with a through hole, wherein 60% or more of the auxiliary chamber is present in a sphere.
Tatsuya Gozawa
Filed: 6 May 20
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
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
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
Gas Sensor
16 Sep 20
A gas sensor (100) extending in an axial direction AX including: a gas sensor element (120) which detects the concentration of a specific gas in a gas under measurement; a tubular metallic shell (110) having a polygonal tool engagement portion (110B) surrounding the gas sensor element (120); a tubular outer tube (103) which extends rearward from the metallic shell (110), surrounds the gas sensor element (120), and has an opening (103E) at a rear end thereof; a sealing member (191) which seals the opening (103E); and a tubular heat dissipating member (104) which surrounds the outer tube (103) and reduces the amount of heat transferred from the forward end side of the gas sensor (100) through the outer tube (103) to the sealing member (191).
Daisuke MATSUYAMA, Masahiro ASAI, Masashi NOMURA, Yuto INOSE
Filed: 27 Feb 20
Utility
Spark Plug
16 Sep 20
A spark plug includes a plug cap having a plurality of through holes.
Kenji BAN, Tatsuya GOZAWA
Filed: 10 Mar 20
Utility
Fluid Heating Ceramic Heater
16 Sep 20
A fluid heating ceramic heater can suppress adhesion of scale to a surface of the ceramic heater over an extended time period, and efficiently conduct heat generated from a heat generation resistor to fluid.
Naoya NAKANISHI, Yusuke MAKINO, Atsutoshi SUGIYAMA, Kaoru OSAKI
Filed: 26 Jun 18