1619 patents
Page 9 of 81
Utility
Wafer support
19 Sep 23
A wafer support includes an RF electrode and a heater electrode that are embedded inside a disk-shaped ceramic base having a wafer placement surface.
Tomohiro Takahashi
Filed: 24 Jan 20
Utility
Honeycomb filter
19 Sep 23
A honeycomb filter includes a pillar-shaped honeycomb structure body having a porous partition wall disposed to surround a plurality of cells and a plugging portion, wherein the partition wall is composed of a material containing cordierite as a main component thereof, porosity of the partition wall measured by a mercury press-in method is 60 to 68%, an average pore diameter of the partition wall measured by a mercury press-in method is 13 to 18 μm, and in a pore diameter distribution indicating a cumulative pore volume of the partition wall measured by a mercury press-in method, with a pore diameter (μm) on an abscissa axis and a log differential pore volume (cm3/g) on an ordinate axis, a first peak including a maximum value of the log differential pore volume has a pore diameter value of 15 μm or less, the pore diameter value corresponding to a ⅓ value width of the maximum value.
Fumihiko Yoshioka, Yuji Sasaki, Kimiko Kishine, Sachiko Ishida, Kyohei Kato
Filed: 18 Jan 21
Utility
Inspection method and inspection system for cylindrical honeycomb structure made of ceramics
19 Sep 23
A inspection method for a cylindrical honeycomb structure including a step of placing a cylindrical honeycomb structure made of ceramics on a rotation stage; a step of irradiating the side surface of the cylindrical honeycomb structure with light having a wavelength of 300 to 500 nm; a step of repeatedly capturing a reflected light from the side surface with a line sensor camera having a pixel resolution of 1 to 25 μm/pix while the light is irradiated to the side surface and the cylindrical honeycomb structure is rotated around the axis of rotation, with a depth of field of the line sensor camera being adjusted to 0.5 to 5 mm; a step of generating an inspection image of the entire side surface; and a step of determining presence or absence of defects on the side surface based on the inspection image.
Takafumi Terahai, Yoshihiro Sato
Filed: 1 Mar 21
Utility
Tubular Member for Exhaust Gas Treatment Device and Method of Manufacturing Tubular Member for Exhaust Gas Treatment Device
14 Sep 23
Provided is a tubular member for an exhaust gas treatment device, including: a tubular main body made of a metal; an insulating layer arranged at least on an inner peripheral surface side of the tubular main body; and an intermediate layer arranged between the tubular main body and the insulating layer, wherein the insulating layer contains glass, and wherein the intermediate layer is at least not identical in composition to the insulating layer.
Daichi TANAKA
Filed: 7 Dec 22
Utility
Heat Exchanger
14 Sep 23
A heat exchanger includes: a heat recovery member through which a first fluid can flow; an inner cylinder configured to house the heat recovery member; an outer cylinder having a feed port capable of feeding a second fluid and a discharge port capable of discharging the second fluid, the outer cylinder being disposed on a radially outer side of the inner cylinder with a distance such that a flow path for the second fluid is formed between the outer cylinder and the inner cylinder; a feed pipe connected to the feed port; and a discharge pipe connected to the discharge port.
Ryushiro AKAISHI, Tatsuo KAWAGUCHI
Filed: 1 Feb 23
Utility
Gas Sensor
14 Sep 23
A sensor element includes: a plurality of internal spaces which sequentially communicate from a gas inlet, and in which respective inner electrodes are arranged; an outer electrode; a porous body region covering the outer electrode; and a plurality of electrochemical pump cells capable of pumping in or out oxygen between the internal spaces and an outside, and a ratio A/B is 0.07 or more, where A is a magnitude of a limiting current when a main pump cell including a main pump electrode in a first internal space located closest to the inlet and the outer pump electrode pumps in oxygen to the first internal space in a case where a pump in current evaluation gas is introduced, B is a magnitude of a limiting current when oxygen is pumped out from the first internal space in a case where a pump-out current evaluation gas is introduced.
Yusuke WATANABE, Ryo HASHIKAWA
Filed: 1 Mar 23
Utility
Member for Semiconductor Manufacturing Apparatus
14 Sep 23
A member for a semiconductor manufacturing apparatus, includes: a base substrate that has a wafer-placement-table support and a focus-ring-placement-table support; a focus-ring placement table that is joined to the focus-ring-placement-table support; a wafer placement table that is separate from the focus-ring placement table, that overlaps an inner peripheral portion of the focus-ring placement table in plan view, and that is joined to the inner peripheral portion of the focus-ring placement table and to the wafer-placement-table support; an internal space that is surrounded by a lower surface of the wafer placement table, an outer peripheral surface of the wafer-placement-table support, an inner peripheral surface of the focus-ring placement table, and an upper surface of the focus-ring-placement-table support; and a communication path that is provided at the base substrate and that causes the internal space and an outside of the base substrate to communicate with each other.
Hiroshi TAKEBAYASHI, Tatsuya KUNO, Seiya INOUE
Filed: 23 Jan 23
Utility
Honeycomb Structure and Method for Producing Same
14 Sep 23
Yuto NAITO
Filed: 27 Dec 22
Utility
Method of Manufacturing Honeycomb Structure and Honeycomb Structure
14 Sep 23
Provided is a method of manufacturing a honeycomb structure capable of manufacturing a honeycomb structure excellent in external dimension accuracy.
Tatsuya AKAHANI, Shuhei KUNO, Ryushiro AKAISHI
Filed: 19 Dec 22
Utility
Lithium secondary battery and method for manufacturing battery-incorporating device
12 Sep 23
Provided is a secondary lithium battery including: a positive electrode plate that is a sintered lithium complex oxide plate; a negative electrode containing carbon and styrene butadiene rubber (SBR); and an electrolytic solution containing lithium borofluoride (LiBF4) in a non-aqueous solvent composed of γ-butyrolactone (GBL), or composed of ethylene carbonate (EC) and γ-butyrolactone (GBL).
Yuki Fujita, Chiori Suzuki
Filed: 4 Mar 20
Utility
Separation Membrane Complex, Separation Apparatus, Separation Method, and Method of Producing Separation Membrane Complex
7 Sep 23
A separation membrane complex includes a support, a separation membrane, and a coating membrane.
Kenichi NODA, Ko KOBAYASHI
Filed: 15 May 23
Utility
Honeycomb Structure, Electrically Heating Catalyst Support and Exhaust Gas Purifying Device
7 Sep 23
A honeycomb structure 20 according to the present invention includes: a ceramic honeycomb structure portion 10 including: an outer peripheral wall 12; a partition wall 13, the partition wall 13 defining a plurality of cells 16; and a pair of electrode layers 14a, 14b each arranged so as to extend in a form of a band on an outer surface of the outer peripheral wall 12, across a central axis of the honeycomb structure portion 10, wherein the honeycomb structure portion 10 is provided in an end portion region(s) extending in a direction from the one end face and/or the other end face to a center in a flow path length direction of the honeycomb structure portion 10, and the honeycomb structure portion 10 comprises at least one low porosity portion 4 having a lower porosity than an average porosity of the whole honeycomb structure portion 10.
Taro OSADA, Yukiharu MORITA, Takayuki INOUE, Yuko KOZAKI, Yuto NAITO, Takahiro SADAMITSU
Filed: 21 Feb 23
Utility
Composite Sintered Body, Honeycomb Structure, Electrically Heating Catalyst, and Method of Manufacturing Composite Sintered Body
7 Sep 23
A composite sintered body contains a silicon phase and a cordierite phase.
Kazuya HOSODA, Kyohei ATSUJI, Kisuke YAMAMOTO, Takahiro TOMITA
Filed: 1 Feb 23
Utility
Electrically Heating Support and Exhaust Gas Purification Device
7 Sep 23
An electrically heating support according to the present invention includes: a ceramic honeycomb structure, the honeycomb structure including an outer peripheral wall and a partition wall arranged on an inner side of the outer peripheral wall, the partition wall defining a plurality of cells each extending from one end face to other end face to form a flow path; and a pair of metal electrodes 5 for applying a voltage to a honeycomb structure, wherein each of the pair of metal electrodes 5 includes: at least one connection portion 50 fixed to an outer peripheral surface of the honeycomb structure; and at least one drawer portion 51 extending from the connection portion 50, and wherein the drawer portion is provided with at least two bent portions 510, and extending directions of ridgelines of the at least two bent portions 510 are different from each other.
Takashi TAKADA, Shinobu SHIMASAKI
Filed: 14 Feb 23
Utility
Feeder Member and Wafer Placement Table
7 Sep 23
A feeder member includes an electrode-side terminal, an insert, a connector, and a cable.
Mitsuru KOJIMA, Hiroshi TAKEBAYASHI
Filed: 6 Feb 23
Utility
Gas Sensor and Gas Sensor Operation Method
7 Sep 23
A controller of a gas sensor determines whether a determination target value to be an indicator of operation of pumping in oxygen in at least one electrochemical pump cell exceeds a threshold during a predetermined determination time, controls the gas sensor in a basic mode in which the at least one electrochemical pump cell is operated to maintain the oxygen concentration in at least one internal space constant unless the determination target value exceeds the threshold, and controls the gas sensor in a protected execution mode in which the at least one electrochemical pump cell is protected against operation of excessively pumping in oxygen when the determination target value exceeds the threshold.
Yusuke WATANABE, Daichi ICHIKAWA
Filed: 1 Mar 23
Utility
Ceramic Heater
7 Sep 23
A ceramic heater includes: a ceramic plate having a wafer placement surface on a surface thereof; zone heaters embedded in the ceramic plate so as to correspond to zones defined by dividing the surface of the ceramic plate into multiple sections; terminals connected to ends of the zone heaters via internal wires of the ceramic plate; terminal collection regions in which the plurality of terminals are collectively arranged; and non-terminal regions in which no terminal is arranged.
Masaki ISHIKAWA, Hiroya SUGIMOTO
Filed: 20 Jan 23
Utility
Group-iii Element Nitride Semiconductor Substrate
7 Sep 23
Group-III element nitride semiconductor substrate including a first surface and a second surface that are easy to visually distinguish from each other.
Katsuhiro IMAI, Masahiro SAKAI, Hiroki KOBAYASHI
Filed: 17 Feb 23
Utility
Beryllium copper alloy ring and method for producing same
5 Sep 23
Provided is a method for producing a beryllium copper alloy ring including: providing a columnar forged material made of a beryllium copper alloy, opening a hole from a center of an upper surface of the columnar forged material in a direction parallel to a central axis of the columnar forged material to make a ring intermediate product, performing ring forging on the ring intermediate product, thereby expanding the hole such that a reduction ratio of 63% or more is achieved to make a ring-forged product, wherein the reduction ratio is specified by the following expression: P=100×(T−t)/T, wherein P represents the reduction ratio (%), T represents a thickness (mm) of the ring intermediate product, and t represents a thickness (mm) of the ring-forged product, and performing a solution annealing and a precipitation hardening on the ring-forged product to make the beryllium copper alloy ring.
Kensuke Ishii
Filed: 17 Mar 21
Utility
NOx SENSOR AND NOx SENSOR OPERATION METHOD
31 Aug 23
A controller of a NOx sensor determines whether a determination target value being an indicator of operation of pumping in oxygen of one of electrochemical pump cells other than a measurement pump cell including inner electrodes arranged in respective internal spaces of a sensor element, an out-of-space pump outer electrode disposed at a location other than the internal spaces, and solid electrolytes between these electrodes exceeds a threshold during a predetermined determination time, controls, unless the determination target value exceeds the threshold, the NOx sensor in a basic mode in which a concentration of NOx is identified based on a pump current flowing between the measurement electrode and the outer electrode, and stops, when the determination target value exceeds the threshold, the basic mode, and controls the NOx sensor in a protected execution mode in which the measurement electrode is protected against over-reduction.
Daichi ICHIKAWA, Yusuke WATANABE
Filed: 21 Feb 23