1619 patents
Page 15 of 81
Utility
Pillar-shaped honeycomb structure filter
28 Mar 23
A pillar-shaped honeycomb structure including a plurality of first cells extending from an inlet side end surface to an outlet side end surface, and a plurality of second cells extending from the inlet side end surface to the outlet side end surface, with a porous partition wall interposed therebetween, wherein a porous film having a porosity higher than that of the partition walls is provided on a surface of each of the first cells, and at a cross-section orthogonal to the direction in which the first cells of the pillar-shaped honeycomb structure filter extend, the average thickness of the porous film in the central portion is larger than the average thickness of the porous film in the outer peripheral portion.
Yoshihiro Sato, Shuji Ueda, Koichi Sendo, Yutaka Ishii, Yuichi Tajima, Seiya Nakano, Ken Itazu
Filed: 24 Feb 22
Utility
SiC powder and method for manufacturing same, electrically heated honeycomb structure and method for manufacturing same
28 Mar 23
A SiC powder containing 70% by mass or more of a β-SiC, wherein in a volume-based cumulative particle size distribution measured by a laser diffraction method, a D50 is 8 to 35 μm and a D10 is 5 μm or more.
Takafumi Kimata, Soichiro Aoyagi, Kisuke Yamamoto
Filed: 28 May 20
Utility
Pillar shaped honeycomb structure, exhaust gas purifying device, exhaust system, and method for producing honeycomb structure
28 Mar 23
A pillar shaped honeycomb structure includes: a porous partition wall that defines a plurality of cells, the cells forming flow paths for a fluid, the cells extending from an inflow end face to an outflow end face; and an outer peripheral wall located at the outermost circumference.
Yukio Miyairi, Takehide Shimoda, Takashi Aoki, Hirofumi Sakamoto, Masaaki Masuda, Atsuo Kondo, Yunie Izumi, Kyohei Kato, Norihiro Wakita
Filed: 29 Dec 20
Utility
Method for estimating characteristics of ceramic fired body
28 Mar 23
A method for estimating characteristics of a ceramic fired body, the method including: preparing a ceramic fired body by firing a formed green body; measuring a color of the ceramic fired body; and with use of a correlation between the color and at least one characteristic selected from a group consisting of a porosity, a pore diameter, and a thermal expansion coefficient previously determined for a ceramic fired body having a same composition as that of the ceramic fired body, estimating the at least one characteristic of the ceramic fired body from the color of the ceramic fired body, measured in the previous step.
Daniel Yukichi Kitaguchi
Filed: 10 Feb 20
Utility
Sensor Element and Gas Sensor
23 Mar 23
A sensor element for detecting a specific gas concentration in a measurement-object gas includes: an element body provided with a measurement-object gas flow section therein, the measurement-object gas flow section introducing the measurement-object gas and causing the measurement-object gas to flow therethrough; a reference electrode disposed inside the element body; and a reference-gas introduction section that causes a reference gas to flow to the reference electrode, wherein the reference-gas introduction section has a reference-gas flow path, and one or more preliminary chambers which are disposed in a middle of the reference-gas flow path, and have a diffusion resistance lower than a diffusion resistance of the reference-gas flow path, and at least part of the reference-gas flow path is composed of a porous body so that any of the one or more preliminary chambers does not directly communicate with an outside of the element body.
Shotaro NIIZUMA, Yusuke WATANABE, Toshihiro HIRAKAWA, Kirari TAKAHASHI
Filed: 20 Sep 22
Utility
Capacitive Sensor
23 Mar 23
A first detection electrode is provided on an insulating layer.
Akifumi MORISHITA
Filed: 25 Nov 22
Utility
Method for drying honeycomb formed body and method for manufacturing honeycomb structure
21 Mar 23
A method for drying a honeycomb formed body, the honeycomb formed body being an unfired honeycomb formed body including a raw material composition containing a ceramic raw material and water, the method including: a dielectric drying process of obtaining a primary dried honeycomb formed body from which 30 to 70% of entire moisture contained in the unfired honeycomb formed body before the drying is removed by performing dielectric drying on the unfired honeycomb formed body while maintaining a temperature of a central portion of the unfired honeycomb formed body at 100° C. or less; and a microwave drying process of obtaining a honeycomb dried body from which residual moisture is removed by performing microwave drying on the primary dried honeycomb formed body obtained in the dielectric drying process.
Kensuke Okumura, Norihiro Asakura
Filed: 21 Aug 18
Utility
Conductive supporting member and method for producing the same
21 Mar 23
A conductive supporting member includes an outer portion that includes a Cu matrix phase and a second phase dispersed in the Cu matrix phase and containing a Cu—Zr compound and that has an alloy composition represented by Cu-xZr (x is atomic % of Zr and 0.5≤x≤16.7 is satisfied) and an inner portion that is present on an inner side of the outer portion, is formed of a metal containing Cu, and has higher conductivity than the outer portion.
Takashi Goto, Hirokazu Katsui, Naokuni Muramatsu, Takanari Nakajima
Filed: 25 Apr 19
Utility
Group 13 element nitride layer, free-standing substrate and functional element
21 Mar 23
A layer of a crystal of a group 13 nitride selected from gallium nitride, aluminum nitride, indium nitride and the mixed crystals thereof has an upper surface and a bottom surface.
Takayuki Hirao, Hirokazu Nakanishi, Mikiya Ichimura, Takanao Shimodaira, Masahiro Sakai, Takashi Yoshino
Filed: 21 Feb 20
Utility
Heater, method of manufacturing the same, and system
21 Mar 23
A heater may include: a conductive ceramic cylinder tube in which cell-arrays are concentrically arranged, each cell-array including cells which are arranged in a circumferential direction of the ceramic cylinder tube; an inner electrode electrically coupled to an inner wall portion of the ceramic cylinder tube; and an outer electrode electrically coupled to an outer wall portion of the ceramic cylinder tube.
Yukio Miyairi, Masaaki Masuda, Xavier Bartolo
Filed: 21 Oct 19
Utility
Gas sensor
21 Mar 23
A gas sensor includes: a sensor element; a plurality of element pads formed on a rear end portion of the sensor element; and a plurality of contact members holding the rear end portion of the sensor element and electrically connected respectively to the plurality of element pads.
Shotaro Niizuma, Yusuke Watanabe, Toshihiro Hirakawa, Hayami Aota
Filed: 16 Sep 20
Utility
Electrostatic chuck assembly, electrostatic chuck, and focus ring
21 Mar 23
An electrostatic chuck assembly includes a ceramic body having a wafer placement surface that is a circular surface, and an F/R placement surface that is formed around the wafer placement surface and is positioned at a lower level than the wafer placement surface, a wafer attraction electrode embedded inside the ceramic body and positioned in a facing relation to the wafer placement surface, an F/R attraction electrode embedded inside the ceramic body and positioned in a facing relation to the F/R placement surface, a concave-convex region formed in the F/R placement surface to hold gas, a focus ring placed on the F/R placement surface, and a pair of elastic annular sealing members arranged between the F/R placement surface and the focus ring on the inner peripheral side and the outer peripheral side of the F/R placement surface, and surrounding the concave-convex region in a sandwiching relation.
Tatsuya Kuno, Ikuhisa Morioka, Kenichiro Aikawa
Filed: 23 Apr 20
Utility
Heater Element with Functional Material Containing Layer, Heater Unit with Functional Material Containing Layer, Vehicle Interior Purification System and Honeycomb Structure
16 Mar 23
A heater element with a functional material-containing layer includes: a honeycomb structure including an outer peripheral wall and partition walls disposed on an inner side of the outer peripheral wall, the partition walls defining a plurality of cells, each of the cells extending from a first end face to a second end face to form a flow path, at least the partition walls being made of a material having a PTC property; a pair of electrodes provided on the first end face and the second end face of the honeycomb structure; and a functional material-containing layer provided on a surface of the partition walls.
Yukio MIYAIRI, Masaaki MASUDA, Koji KUZUTANI, Shuichi ICHIKAWA, Toru HAYASE, Hirofumi YAMAGUCHI, Narimasa SHINODA, Takahiko NAKATANI
Filed: 21 Nov 22
Utility
Method for Drying Separation Membrane and Method for Producing Separation Membrane Structure
16 Mar 23
A drying method for a separation membrane includes supplying a gas for drying to the separation membrane so that a value obtained by dividing the difference between a maximum value and a minimum value of a flow rate of the gas for drying on a membrane surface of the separation membrane by the minimum value of the flow rate is less than or equal to 15%.
Kenichi NODA, Takeshi HAGIO
Filed: 18 Nov 22
Utility
Separation Membrane Complex, Method of Producing Separation Membrane Complex, and Separation Method
16 Mar 23
A separation membrane complex includes a porous support and a separation membrane formed on the support.
Katsuya SHIMIZU, Koh KOBAYASHI, Kenichi NODA, Makiko ICHIKAWA, Naoto KINOSHITA
Filed: 7 Nov 22
Utility
Gas Sensor and Gas Sensor Operation Control Method
16 Mar 23
A controller of the gas sensor can perform diagnostic processing of diagnosing a situation of control to the gas sensor in a case that the gas sensor in an operation state is determined to satisfy a predetermined diagnostic condition and adjustment processing of adjusting a condition for controlling the gas sensor in accordance with a result of diagnosis.
Yusuke WATANABE, Takayuki SEKIYA, Daichi ICHIKAWA
Filed: 18 Nov 22
Utility
Gas sensor
14 Mar 23
A gas sensor includes a sensor element, an elastic insulating member, a plurality of lead wires, a plurality of metal terminals, and a ceramic housing.
Shotaro Niizuma, Yusuke Watanabe, Toshihiro Hirakawa, Hayami Aota
Filed: 10 Nov 20
Utility
Separation Membrane Module
9 Mar 23
A separation membrane module includes a separation membrane complex having a support and a separation membrane provided on the support, a housing container for housing the separation membrane complex, and a sealing member existing between a supporting surface provided inside the housing container and a supported surface of the separation membrane complex, being in close contact with the supporting surface and the supported surface.
Takahiro NAKANISHI, Katsuya SHIMIZU, Naoto KINOSHITA, Makiko ICHIKAWA
Filed: 11 Oct 22
Utility
Bonded Body and a Method of Producing the Same
9 Mar 23
A bonded body has a supporting substrate composed of silicon, a piezoelectric material substrate, and a bonding layer provided on a surface of the supporting substrate and composed of silicon oxide.
Takahiro KAWASAKI, Takuya TOMIOKA
Filed: 24 Oct 22
Utility
Sensor Element and Gas Sensor
9 Mar 23
A sensor element includes an element body that contains a measurement-object gas flow section and a heat generation portion.
Satoru HASHIMOTO, Shingo SOKAWA, Yoshihiko YAMAMURA, Kosuke UJIHARA
Filed: 15 Aug 22