483 patents
Utility
Sensor element and gas sensor
9 Jan 24
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: 20 Apr 20
Utility
Electrode-embedded member and method for manufacturing same, electrostatic chuck, and ceramic heater
9 Jan 24
An electrode-embedded member 1 includes a ceramic-made substrate 2, an electrode 3, a connection member 4 containing at least one of tungsten and molybdenum and embedded in the substrate 2 in a state in which a first principal surface 4a faces the electrode 3 and is electrically connected to the electrode 3, and a hole portion 5 extending from an outer surface of the substrate 2 to a second principal surface 4b of the connection member 4.
Masaki Yabuhana
Filed: 19 Mar 20
Utility
Spark plug
2 Jan 24
Spark plug has center electrode having leg portion extending in an axis direction, brim portion located at rear end side with respect to the leg portion and protruding outwards in a radial direction with respect to the leg portion and connecting portion connecting the leg portion and the brim portion; insulator having penetration hole and supporting the center electrode; and seal member filling the penetration hole and fixing the brim portion and the insulator.
Eiichi Nakai, Masahiro Nishida, Shingo Kozuka
Filed: 10 Sep 20
Utility
Wavelength Conversion Member and Light Source Device Provided Therewith
30 Nov 23
There is provided a wavelength conversion member including: a fluorescent body and a reflective film.
Yosuke YATSUYA, Toshiyuki SAKURAI, Shohei TAKAKU, Hiroki YAMAUCHI, Tomoo TANAKA, Hiroki TAKEUCHI, Shinji BAN
Filed: 13 Dec 21
Utility
Gas Sensor
23 Nov 23
A gas sensor 1 according to the present invention includes: a gas sensor element 22; a box-like casing 3 having a wall portion 3B1 provided with a gas introduction port 3B2; a circuit board 4 having a mounting surface 4a on which the gas sensor element 22 is mounted, and disposed inside the casing 3 such that the mounting surface 4a is away from the wall portion 3B1 and the gas sensor element 22 overlaps with the gas introduction port 3B2; and an annular elastic seal body 5 formed on the mounting surface 4a so as to surround the gas sensor element 22, and disposed between the mounting surface 4a and the wall portion 3B1.
Masahiro YAMASHITA, Shoji KITANOYA, Yusuke MATSUKURA
Filed: 15 Sep 21
Utility
Light-emitting apparatus and light-emitting element housing
21 Nov 23
A multilayer wiring substrate includes a first wiring substrate including a plurality of stacked layers made of a thermo setting resin and having a wiring layer formed between each adjacent layer of the layers in a state in contact with the adjacent layers, a second wiring substrate made of a ceramic, and a joining layer disposed between a back surface of the first wiring substrate and a front surface of the second wiring substrate and configured to join the first wiring substrate and the second wiring substrate to each other, wherein at least a surface of the joining layer adjacent to the second wiring substrate is made of a thermo plastic resin.
Shingo Totani
Filed: 1 Sep 21
Utility
Gas sensor
21 Nov 23
A gas sensor including: a sensor element extending in an axial direction; a metal shell surrounding and supporting the sensor element; an exterior tube that is tubular and is mounted to a rear end of the metal shell; a metal terminal including a first end connected to a lead wire and a second end electrically connected to the sensor element; a separator that is tubular and is disposed in the exterior tube and contains the metal terminal and the sensor element; and a holder being in contact with the separator in the axial direction.
Masana Okai, Takehiro Oba, Daisuke Tahira, Masashi Nomura
Filed: 8 Feb 19
Utility
Fluorescent plate, wavelength conversion member, and light source device
24 Oct 23
A fluorescent plate includes a fluorescent phase which emits fluorescence by excitation light, a light-transmitting phase which allows passage of the excitation light, and a plurality of voids surrounded by the fluorescent phase and the light-transmitting phase, wherein, in a cross section of the fluorescent plate including cross sections of the voids, an average ratio of a portion of the circumference of a void, which portion is in contact with the fluorescent phase to the entire circumference of the void, is higher than an area ratio of the area of the fluorescent phase present in the fluorescent plate to the total area of the fluorescent phase and the light-transmitting phase present in the fluorescent plate.
Shohei Takaku, Hiroki Yamauchi, Shinji Ban, Hiroki Takeuchi
Filed: 3 Jun 21
Utility
Holding device and method for manufacturing holding device
10 Oct 23
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
Joined Body, Holding Device, and Electrostatic Chuck
5 Oct 23
A joining layer of a joined body includes a joining material which contains, as a main component, a metal having a surface tension of 1000 mN/m or less at its melting point, and a metal layer which has a plurality of pores formed therein and in which at least some of the pores are impregnated with the joining material.
Osamu YOSHIMOTO, Ryuichi ARAKAWA, Tomoo TANAKA
Filed: 25 Jun 21
Utility
Substrate Holder
5 Oct 23
There is provided a substrate holder including: a ceramic base member, an electrode and a shaft.
Makoto HINO, Tetsuo KITABAYASHI, Hiromasa SHIMOJIMA
Filed: 28 Mar 23
Utility
Joined Body, Holding Device, and Electrostatic Chuck
28 Sep 23
A joined body includes a first member and a second member which are joined together via a joining portion including a metal layer having a plurality of pores communicating with each other.
Osamu YOSHIMOTO, Ryuichi ARAKAWA, Tomoo TANAKA
Filed: 25 Jun 21
Utility
Sensor and method for manufacturing same
26 Sep 23
A sensor (1) comprising: a sensor element (10); metal terminals; and a front side separator (90) and a rear side separator (95) to hold the metal terminals, the metal terminals each include a front side metal terminal (30) and a rear side metal terminal (40) respectively held by the front side separator and the rear side separator, a first connection portion (33) is provided on a rear side of the front side metal terminal, a second connection portion (43) is provided on a front side of the rear side metal terminal, and an axis P2 of one of the first and the second connection portion, in all of the plurality of metal terminals, is displaced toward a radially outer side of the sensor element relative to an axis P1 of a counterpart thereof, and the first connection portion and the second connection portion are in contact with each other.
Sunchao Liu, Takehiro Oba
Filed: 6 Aug 20
Utility
Wiring Substrate
21 Sep 23
Disclosed is a wiring substrate whose orientation can be easily recognized and which can prevent occurrence of a failure which would otherwise occur after a semiconductor device is mounted on the wiring substrate, or after an electronic component composed of the wiring substrate and the semiconductor device mounted thereon is mounted on a base substrate or the like.
Takahiro HAYASHI
Filed: 14 Mar 23
Utility
Sensor element, gas sensor, and gas sensor unit
19 Sep 23
A sensor element (100) including a measurement chamber (89); a pump cell (83) including a solid electrolyte body (69), an inner electrode (101), and an outer electrode (99); and a reference cell (85).
Yosuke Suzuki, Takumi Yamada, Hitoshi Furuta, Kentaro Kamada
Filed: 16 Sep 20
Utility
Fluorescent plate, wavelength conversion member, and light source device
12 Sep 23
A fluorescent plate including a fluorescent phase which emits fluorescence by excitation light, and a plurality of voids, wherein, in a cross section of the fluorescent plate including cross sections of the voids, voids having an equivalent circle diameter of 0.4 micrometers or greater and 50 micrometers or smaller have a standard deviation in equivalent circle diameter of 1.5 or less.
Shohei Takaku, Hiroki Yamauchi, Shinji Ban, Hiroki Takeuchi
Filed: 3 Jun 21
Utility
Metallic shell for spark plug and spark plug using the same
5 Sep 23
A metallic shell for a spark plug which metallic shell achieves suppressed elution of hexavalent chromium, and a spark plug including the metallic shell.
Takahiro Sanda, Keita Sugihara, Noriyasu Hasegawa, Yohei Kozakai
Filed: 15 Feb 23
Utility
Gas Sensor and Gas Sensor Attached Structure
31 Aug 23
A gas sensor 1 comprising: a sensor element 21; a metallic shell 11; and a single-wall tubular protector 51, wherein the protector has a gas introduction hole 56 and a gas discharge hole 53 disposed on a forward end side in relation to the gas introduction hole; the metallic shell has a fixing portion 13 whose outer surface is fixed to a pipe 100, and a larger-diameter tool engagement portion 14 located on a rear end side of the fixing portion and used to attach the gas sensor; a distance L1 in the axial O direction between the gas introduction hole and the gas discharge hole is greater than a distance L2 in the axial direction between the tool engagement portion and the gas introduction hole; and a forward end 21a of the sensor element is located on the forward end side in relation to the gas introduction hole.
Kunihiko YONEZU, Yuji SHIMAZAKI, Masayuki YOSHIDA
Filed: 22 Apr 21
Utility
Monitoring Device
17 Aug 23
A monitoring device includes an emitting part that emits an ultrasonic wave, a reception part that receives a reflected wave, and a detection part.
Hiroko HASEGAWA, Yutaka TAKAGI, Yoshiki TSUBOI, Norihiko NADANAMI
Filed: 4 Mar 22
Utility
Method for producing ceramic sintered body, and method and device for producing ceramic molded body
15 Aug 23
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