483 patents
Page 9 of 25
Utility
Ceramic Member Unit and Sensor Provided with Same
12 Aug 21
A ceramic member unit includes at least insertion members and a ceramic member having insertion sections into which the insertion members are inserted respectively.
Masana OKAI, Kouji MATSUO, Daisuke TAHIRA
Filed: 8 Feb 19
Utility
Optical Wavelength Conversion Member and Light-emitting Device
12 Aug 21
One aspect of the disclosure provides an optical wavelength conversion member including a polycrystalline ceramic sintered body containing, as main components, Al2O3 crystal grains and crystal grains represented by formula (Y,A)3B5O12:Ce.
Shohei TAKAKU, Yusuke KATSU, Tsuneyuki ITO, Toshiaki KURAHASHI, Hideto YAMADA
Filed: 1 Jul 19
Utility
Spark Plug
12 Aug 21
A spark plug including a center electrode that has a large-diameter portion having an outside diameter that is largest in the center electrode.
Yusuke TANAHASHI, Naoki NISHIO, Yusuke KAWASHIMA
Filed: 19 Mar 20
Utility
Gas Sensor
5 Aug 21
A gas sensor includes a wiring board having an opening, a sensor element disposed within the opening and having a detection section and a heater section, and a plurality of electricity conducting members each of which has a first end portion joined to the wiring board and a second end portion joined to the sensor element and which establish electrical connection between the wiring board and the sensor element.
Takeshi UEYAMA, Takahiro YOKOYAMA, Hiromasa ITO, Shinichi NAKAGAWA, Shigeya AOYAMA, Kazuto MORITA
Filed: 18 Jul 17
Utility
Ceramic structure
3 Aug 21
A ceramic structure includes a ceramic base member having a main face; a hole extending from the main face into the ceramic base member; a metal electrode layer embedded in the ceramic base member; a conductive member embedded in the ceramic base member so as to be electrically connected to the metal electrode layer and form a bottom of the hole; a first metal member joined to the conductive member by a brazing material and having an average linear expansion coefficient not less than the average linear expansion coefficient of the conductive member; one or a plurality of second metal members having a greater average linear expansion coefficient than the first metal member; and a metal terminal joined to the one or the plurality of second metal members and having a greater average linear expansion coefficient than each second metal member.
Atsushi Tsuchida
Filed: 2 Apr 19
Utility
Holding Device and Method for Manufacturing Holding Device
29 Jul 21
A holding device includes a ceramic member and a base member joined together via a joining portion.
Makoto KURIBAYASHI, Masahiro INOUE, Toshimasa SAKAKIBARA
Filed: 8 Jan 19
Utility
Wavelength conversion member
13 Jul 21
Toshimitsu Kikuchi, Yoshifumi Tsutai, Takashi Abe, Ai Hayasaka
Filed: 4 Dec 17
Utility
Method for producing light wavelength conversion member, light wavelength conversion member, light wavelength conversion component and light emitting device
13 Jul 21
A method for producing an optical wavelength conversion member (9) composed of a sintered body containing, as main components, Al2O3 and a component represented by formula A3B5O12:Ce; an optical wavelength conversion member; an optical wavelength conversion component including the optical wavelength conversion member; and a light-emitting device including the optical wavelength conversion member or the optical wavelength conversion component.
Yusuke Katsu, Shohei Takaku, Tsuneyuki Ito, Takeshi Mitsuoka, Jun Moteki
Filed: 24 Oct 17
Utility
Method for Producing Ceramic Sintered Body, and Method and Device for Producing Ceramic Molded Body
8 Jul 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: 19 Mar 21
Utility
Sensor and method of manufacturing sensor
6 Jul 21
A sensor includes a pump cell and a reference cell generating voltage Vs or current.
Kentaro Kamada, Hitoshi Furuta, Satoshi Yamahara
Filed: 25 Feb 19
Utility
Spark plug with anti-loosening feature
29 Jun 21
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: 31 Mar 20
Utility
Gas sensor
22 Jun 21
A gas sensor (1) including: a sensor element (10) which includes a detection portion (11) and a heater (50); a metal shell (138); and a filled member (153) filled with a filling material between the metal shell and the sensor element, wherein a position at which change in a temperature of the sensor element is smallest when a disturbance is applied is a temperature reference position M, the filled member is positioned rearward of the temperature reference position, an overall axial length LT of the sensor element is not greater than 50 mm, an axial length LE from a rear end of the filled member to a rear end of the sensor element is not smaller than 13.5 mm, and an axial length LA from the temperature reference position to a front end of the filled member is greater than 5.0 mm and not greater than 11.5 mm.
Kentaro Kamada, Hitoshi Furuta, Masaki Nakagawa
Filed: 19 Jul 18
Utility
Ceramic member
22 Jun 21
A ceramic heater includes an RF plate having a placement surface on which a wafer is to be placed, and made of a ceramic sintered body in which an RF electrode is embedded; and a heater plate made of a ceramic sintered body in which a heater is embedded, the RF plate and the heater plate being joined with a space interposed therebetween on a side opposite to the placement surface.
Toshiya Umeki, Tetsuo Kitabayashi
Filed: 30 Mar 18
Utility
Method for Manufacturing Holding Device and Holding Device
17 Jun 21
A holding device manufacturing method includes a step of preparing a first joined body which includes a pre-machining ceramic member having a first surface and a fifth surface located opposite the first surface and approximately parallel to the first surface, a base member, and a joining portion disposed between the first surface of the pre-machining ceramic member and a third surface of the base member and joining the pre-machining ceramic member and the base member together.
Makoto KURIBAYASHI, Masahiro INOUE, Toshimasa SAKAKIBARA
Filed: 8 Jan 19
Utility
Gas Sensor Element and Gas Sensor
17 Jun 21
Disclosed is a gas sensor element having: a solid electrolyte body containing oxygen-ion conductive ZrO2; a detection electrode disposed on the solid electrolyte body to be exposed to a gas under measurement; and a reference electrode disposed on the solid electrolyte body to be exposed to a reference gas.
Midori MATSUMURA, Hiroshi ISOMURA, Kazuki YOSHIOKA, Ryosuke OTA
Filed: 6 Mar 19
Utility
Ultrasonic Generator
10 Jun 21
An ultrasonic generator includes an ultrasonic wave source and a converging portion.
Takeshi MORITA, Kang CHEN, Takashi IIJIMA, Takasuke IRIE
Filed: 1 Dec 20
Utility
Method for producing ceramic sintered body, and method and device for producing ceramic molded body
8 Jun 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
Silicon Nitride-based Sintered Body and Cutting Insert
27 May 21
A silicon nitride-based sintered body containing silicon nitride-based grains, which are formed of sialon grains.
Hiroko NAKAYAMA, Atsushi KOMURA
Filed: 5 Feb 21
Utility
Gas sensor element and gas sensor including same
25 May 21
A gas sensor element including: a first ceramic layer (300) including a solid electrolyte (320); a pair of electrode portions (330) and (333) at least partially disposed on opposing surfaces of the solid electrolyte; a support member (341) surrounding a part of an outer peripheral edge of at least one electrode portion (330) of the pair of electrode portions and having a notch (341N), a part of the electrode portion extending in the notch; and a second ceramic layer (242) disposed on a side where the at least one electrode portion (330) is present, so as to be in contact with a surface of the support member, the gas sensor element being obtained by stacking the first ceramic layer (300), the support member (341) and the second ceramic layer (242), wherein the second ceramic layer covers at least a part of the notch.
Takuya Nakatsukasa, Masaki Mizutani
Filed: 13 Feb 19
Utility
Pressure Sensor
20 May 21
A pressure sensor includes: a housing having a tubular shape, and including a front end including an opening; a diaphragm that is disposed to close the opening, and is structured to deform depending on a pressure exerted on a front side of the diaphragm, and includes a hole extending rearwardly from a front end face of the diaphragm; a sensor element structured to output a signal varying depending on an amount of the deformation of the diaphragm; and a heat receiver including a first portion and a second portion.
Daisuke KASAHARA, Hirotaka SAITO
Filed: 25 Oct 18