1619 patents
Page 59 of 81
Utility
Method for inspecting end face and device for inspecting end face, of honeycomb structure
12 Oct 20
A method for inspecting an end face, comprising: an arrangement step of arranging a honeycomb structure having a partition wall extending from a first end face to a second end face, at a predetermined position using the second end face as a placement face; a first image data for processing acquisition step of acquiring first image data for processing while irradiating the first end face with light having an angle of 40° or more, the angle being an angle formed between the light and an axis being perpendicular to the placement face of the honeycomb structure; a second image data for processing acquisition step of acquiring second image data for processing while irradiating the first end face with light having an angle of less than 40°; and a crack detection step of detecting a crack by comparing the first image data for processing with the second image data for processing.
Ayumi Watanabe, Akihiro Mizutani
Filed: 18 Apr 18
Utility
Free-standing substrate comprising polycrystalline group 13 element nitride and light-emitting element using same
12 Oct 20
A free-standing substrate of a polycrystalline nitride of a group 13 element contains a plurality of monocrystalline particles having a particular crystal orientation in approximately a normal direction.
Katsuhiro Imai, Yoshitaka Kuraoka, Mikiya Ichimura, Takayuki Hirao
Filed: 8 Aug 18
Utility
Electrically Conductive Tip Member and Method for Producing the Same
7 Oct 20
An electrically conductive tip member includes: an inner periphery portion including a Cu matrix phase and a second phase that is dispersed in the Cu matrix phase and contains a Cu—Zr-based compound, the inner periphery portion having an alloy composition of Cu-xZr (where x is the atomic percentage of Zr and satisfies 0.5≤x≤16.7); and an outer periphery portion that is present on an outer circumferential side of the inner periphery portion, made of a metal containing Cu, and has higher electrical conductivity than the inner periphery portion.
Naokuni MURAMATSU, Takanari NAKAJIMA, Takashi GOTO
Filed: 26 May 20
Utility
Electrochemical Cell
7 Oct 20
An electrochemical cell includes a fuel electrode, an air electrode containing a perovskite type oxide as a main component, the perovskite type oxide being represented by a general formula ABO3 and containing La and Sr at the A site, and a solid electrolyte layer arranged between the fuel electrode and the air electrode.
Shinji FUJISAKI, Takashi RYU, Makoto OHMORI
Filed: 21 Jun 20
Utility
Electrochemical Cell
7 Oct 20
An electrochemical cell includes a fuel electrode, an air electrode containing a perovskite type oxide as a main component, the perovskite type oxide being represented by a general formula ABO3 and containing La and Sr at the A site, and a solid electrolyte layer arranged between the fuel electrode and the air electrode.
Shinji FUJISAKI, Takashi RYU, Makoto OHMORI
Filed: 22 Jun 20
Utility
Honeycomb filter
5 Oct 20
A honeycomb filter includes a plugged honeycomb structure body which has cell rows arranged along one direction in a cross section of the honeycomb structure body and including a first cell row constituted of inflow cells and a second cell row including outflow cells.
Yasushi Kato, Takahiro Kondo, Takahiro Honda
Filed: 10 Apr 18
Utility
Method for Producing Honeycomb Structure
30 Sep 20
A method for producing a honeycomb structure for fine particle collection filters.
Masaki NISHIOKA, Ken ITADU, Jun INOUE, Yoshitaka TABUCHI, Michio SUZUKI, Daiki NANYA
Filed: 11 Mar 20
Utility
Honeycomb Structure and Method for Producing Honeycomb Structure
30 Sep 20
A honeycomb structure including a plurality of porous honeycomb block bodies bound via joining material layers A.
Jun INOUE, Michio SUZUKI, Yoshitaka TABUCHI, Keisuke KIMURA
Filed: 17 Mar 20
Utility
Honeycomb Filter
30 Sep 20
A honeycomb filter includes a pillar-shaped honeycomb structure having porous partition walls placed, surrounding a plurality of cells which serve as fluid through channels extending from an inflow end face to an outflow end face; and porous plugging portions provided either at the ends on the inflow end face side of the cells or at the ends on the outflow end face side of the cells, wherein the plugging portions include plugging portions that have voids therein, and in the plugging portions having the voids, porosity including the voids as pores ranges from 68% to 83%.
Kimiko KISHINE, Fumihiko YOSHIOKA
Filed: 10 Mar 20
Utility
Honeycomb Filter
30 Sep 20
A honeycomb filter includes a pillar-shaped honeycomb structure having porous partition walls provided, surrounding a plurality of cells which serve as fluid through channels extending from an inflow end face to an outflow end face, and porous plugging portions provided either at the ends on the inflow end face side or the outflow end face side of the cells, wherein the plugging portions are composed of a porous material, the honeycomb structure has a central region and a circumferential region, and a ratio of an area of the circumferential region with respect to that of the central region ranges from 0.1 to 0.5, porosity of a central plugging portion in the central region, is higher than that of a circumferential plugging portion in the circumferential region, and the porosity of the central plugging portion ranges from 76% to 85%, and that of the circumferential plugging portion from 60% to 75%.
Fumihiko YOSHIOKA
Filed: 10 Mar 20
Utility
Zeolite Membrane Complex and Method of Producing Zeolite Membrane Complex
30 Sep 20
A zeolite membrane complex includes a support and a zeolite membrane formed on the support.
Kenichi NODA, Aya MIURA, Ryotaro YOSHIMURA
Filed: 11 Jun 20
Utility
Honeycomb Filter
30 Sep 20
A honeycomb filter includes a pillar-shaped honeycomb structure having porous partition walls provided, surrounding a plurality of cells which serve as fluid through channels extending from an inflow end face to an outflow end face, and a porous plugging portion provided either at an end on the inflow end face or the outflow end face of the cells, wherein the plugging portion is composed of a porous material, the honeycomb structure has a central region and a circumferential region, and a ratio of an area of the circumferential region with respect to that of the central region ranges from 0.1 to 0.5, porosity of a central plugging portion in the central region is lower than that of a circumferential plugging portion in the circumferential region, and the porosity of the central plugging portions ranges from 60% to 68%, and that of the circumferential plugging portions ranges from 70% to 85%.
Fumihiko YOSHIOKA
Filed: 10 Mar 20
Utility
Honeycomb Filter
30 Sep 20
A honeycomb filter includes a pillar-shaped honeycomb structure having porous partition walls provided, surrounding a plurality of cells which serve as fluid through channels extending from an inflow end face to an outflow end face, and porous plugging portions provided either at the ends on the inflow end face or the outflow end face of the cells, wherein the plugging portions are composed of a porous material, the honeycomb structure has a central region and a circumferential region and a ratio of an area of the circumferential region with respect to that of the central region ranges from 0.1 to 0.5, and a plugging length L1 in the cell extending direction of a central plugging portion in the central region is smaller than a plugging length L2 of a circumferential plugging portion in the circumferential region, L1 ranges from 3 to 6 mm, and L2 from 7 to 9 mm.
Fumihiko YOSHIOKA
Filed: 10 Mar 20
Utility
Honeycomb Filter
30 Sep 20
A honeycomb filter includes a pillar-shaped honeycomb structure having porous partition walls provided, surrounding a plurality of cells which serve as fluid through channels extending from an inflow end face to an outflow end face, and porous plugging portions provided either at the ends on the inflow end face or the outflow end face of the cells, wherein the plugging portions are composed of a porous material, the honeycomb structure has a central region and a circumferential region, and a ratio of an area of the circumferential region with respect to that of the central region ranges from 0.1 to 0.5, a plugging length L1 in the cell extending direction of a central plugging portion in the central region is larger than a plugging length L2 of a circumferential plugging portion in the circumferential region, L1 ranges from 7 to 9 mm, and L2 from 3 to 6 mm.
Fumihiko Yoshioka
Filed: 10 Mar 20
Utility
Honeycomb Structure
30 Sep 20
A honeycomb structure includes a pillar-shaped honeycomb structure body having a porous partition wall defining a plurality of cells serving as fluid through channel extending from an inflow end face to an outflow end face; and a circumferential wall surrounding the partition wall, wherein in a plane orthogonal to cell extending direction, the honeycomb structure body has a circumferential cell structure, a center cell structure having a cell structure different from the circumferential cell structure, and a boundary wall, the honeycomb structure body has intersection parts of the partition wall, including basic intersection parts and thick intersection parts having a thickness larger than that of the basic intersection parts, the thick intersection parts include at least one of: first thick intersection parts and second thick intersection parts, and in the circumferential cell structure, the intersection parts at least include the circumferential basic intersection parts.
Yuji SasakI, Akifumi Kawakami, Takashi Kinoshita, Mitsuhiro Ito
Filed: 11 Mar 20
Utility
Ceramic Porous Body and Method for Producing the Same, and Dust Collecting Filter
30 Sep 20
A ceramic porous body including: skeleton portions including an aggregate and at least one bonding material; and pore portions formed between the skeleton portions, the pore portions being capable of allowing a fluid to flow therethrough, wherein the pore portions have a pore volume ratio of pores having a pore diameter of from 10 to 15 μm, of from 4 to 17% or more.
Suguru KODAMA, Taira HAYAKAWA
Filed: 24 Mar 20
Utility
Perforating Apparatus for Cylindrical Workpiece, Method for Perforating Cylindrical Workpiece, Method for Manufacturing Cylindrical Product, and Method for Inspecting Cylindrical Workpiece
30 Sep 20
A perforating apparatus for a cylindrical workpiece, including: a cradle having a groove extending in one direction horizontally from one end to another end; a stopper provided at the one end of the groove; a drill disposed vertically above the groove and movable at least in vertical direction, having a drill bit that extends vertically; and a chuck having a pair of opposing grippers movable toward each other in a horizontal direction perpendicular to the direction in which the groove extends, and symmetrically with respect to a rotation axis of the drill bit, each of the grippers further having a pair of vertically symmetric inclined surfaces expanding upwards and downwards.
Toshihiro FUKUI, Hideaki ITO
Filed: 16 Mar 20
Utility
Zeolite Seed Crystal, Method of Producing Zeolite Seed Crystal, Method of Producing Zeolite Membrane Complex, and Separation Method
30 Sep 20
A seed crystal is a crystal of zeolite that is to be deposited on a support when producing a zeolite membrane complex that includes the support and a zeolite membrane formed on the support.
Ko Kobayashi, Ryotaro Yoshimura, Kenichi Noda
Filed: 15 Mar 20
Utility
Honeycomb Structure and Method of Producing Honeycomb Structure
30 Sep 20
A honeycomb structure has a plurality of cells formed by a plurality of partition walls.
Toru HAYASE, Shinji SUZUKI, Shinpei OSHIMA, Takahiro TOMITA
Filed: 17 Mar 20
Utility
Joining Material and Silicon Carbide Based Honeycomb Structure
30 Sep 20
A joining material used for joining side surfaces of a plurality of silicon carbide-based honeycomb segments to each other to produce a silicon carbide-based honeycomb structure.
Keisuke KIMURA
Filed: 26 Feb 20