1619 patents
Page 44 of 81
Utility
Honeycomb structure
17 Aug 21
A pillar-shaped honeycomb structure body of a honeycomb structure includes a circumferential cell structure, a central cell structure and a boundary wall therebetween.
Akifumi Kawakami, Takashi Kinoshita, Yuji Sasaki, Mitsuhiro Ito
Filed: 16 Apr 19
Utility
Electric heating type support, exhaust gas purifying device, and method for producing electric heating type support
17 Aug 21
An electric heating support includes an electrically conductive honeycomb structure having an outer peripheral wall and porous partition walls disposed on an inner side of the outer peripheral wall, the porous partition walls defining a plurality of cells, each cell penetrating from one end face to other end face to form a flow path.
Naoya Takase
Filed: 24 Feb 20
Utility
Honeycomb structure
17 Aug 21
Akifumi Kawakami, Yasuyuki Furuta, Mitsuhiro Ito
Filed: 30 Apr 19
Utility
Ceramic Sintered Body and Substrate for Semiconductor Devices
12 Aug 21
The ceramic sintered body contains Zr, Al, Y, and Mg.
Yuji UMEDA, Hiroshi KOUNO
Filed: 28 Apr 21
Utility
Gas Sensor
12 Aug 21
A gas sensor includes a sensor element, a tubular body made of metal, and a sealing material.
Shotaro NIIZUMA, Yusuke WATANABE, Toshihiro HIRAKAWA, Hayami AOTA
Filed: 10 Feb 21
Utility
Substrate for Semiconductor Device
12 Aug 21
A substrate includes a ceramic sintered body, a first circuit plate and a second circuit plate.
Yuji UMEDA
Filed: 28 Apr 21
Utility
Honeycomb structure forming die
10 Aug 21
The honeycomb structure forming die includes a first die in which a central region on the side of a kneaded material discharging surface has a convex region projecting toward a downstream side in an extruding direction of a kneaded material, and a ring-shaped second die.
Yuta Imaizumi, Kazuhiko Hamatsuka
Filed: 31 Jul 17
Utility
Honeycomb filter
10 Aug 21
A honeycomb filter including: a honeycomb structure having a porous partition wall provided surrounding a plurality of cells; and a plugging portion disposed to seal either one end portion on the inflow or the outflow end face side of the cells, wherein the cell in which the plugging portion is provided at the outflow end face side and the inflow end face side is open is defined as an inflow cell, the cell the plugging portion is provided at the inflow end face side and the outflow end face side is open is defined as an outflow cell, the honeycomb structure further has a trapping layer for the particulate matter on an inner surface side of the partition wall, the trapping layer includes a portion composed of a sintered body of CeO2 particles on at least a surface layer, and the average particle diameter is 1.1 μm or less.
Ren Kasuga, Shogo Takeno, Kousuke Ujihara, Takuya Nakashima
Filed: 11 Jun 19
Utility
Group 13 element nitride layer, free-standing substrate and functional element
10 Aug 21
A crystal of a group 13 nitride has an upper surface and lower surface and is composed of a crystal of a group 13 nitride selected from gallium nitride, aluminum nitride, indium nitride or the mixed crystals thereof.
Takayuki Hirao, Hirokazu Nakanishi, Mikiya Ichimura, Takanao Shimodaira, Masahiro Sakai, Takashi Yoshino
Filed: 21 Feb 20
Utility
Heating furnace
10 Aug 21
A heating furnace comprising a furnace body; an accommodation space in the furnace body, the accommodation space accommodating a work; an exhaust port; and a heat insulator provided between the accommodation space and the exhaust port, the heat insulator including a pillar-shaped honeycomb structure including ceramic partition walls sectioning a plurality of cells extending from one bottom to another bottom.
Tomoo Nakamura
Filed: 1 Mar 19
Utility
Ceramic Heater
5 Aug 21
A ceramic heater includes a ceramic plate having a surface that serves as a wafer placement surface, resistance heating elements that are embedded in the ceramic plate, a tubular shaft that supports the ceramic plate from a rear surface of the ceramic plate, and a thermocouple passage that extends from a start point in a within-shaft region of the rear surface of the ceramic plate, the within-shaft region being surrounded by the tubular shaft, to a terminal end position in an outer peripheral portion of the ceramic plate.
Ryohei MATSUSHITA
Filed: 9 Dec 20
Utility
Ceramic Heater
5 Aug 21
A ceramic heater includes a disc-shaped ceramic substrate that has a wafer placement surface and in which a substrate heater electrode is embedded.
Daichi KUBOTA, Norifumi SHIMAZU
Filed: 16 Nov 20
Utility
Ceramic Heater and Manufacturing Method for Same
5 Aug 21
A ceramic heater includes a ceramic plate having a surface that serves as a wafer placement surface, resistance heating elements and that are embedded in the ceramic plate, a tubular shaft that supports the ceramic plate from a rear surface of the ceramic plate, a recess that is formed in a within-shaft region of the rear surface of the ceramic plate, the within-shaft region being surrounded by the tubular shaft, and that has a size equal to a size of the within-shaft region, an elongate hole that extends from an opening formed in a side surface of the recess up to a predetermined terminal end position in an outer peripheral portion of the ceramic plate, and associated parts (such as terminals) that are disposed in the within-shaft region of the rear surface of the ceramic plate.
Noboru KAJIHARA, Shuichiro MOTOYAMA
Filed: 27 Jan 21
Utility
Ceramic Heater
5 Aug 21
A ceramic heater includes a ceramic plate.
Masaki Ishikawa, Shuichiro Motoyama
Filed: 23 Apr 21
Utility
Ceramic Heater
5 Aug 21
A ceramic heater includes a ceramic plate having a front surface that serves as a wafer placement surface, resistance heating elements that are embedded in the ceramic plate, a tubular shaft that supports the ceramic plate from a rear surface of the ceramic plate, and a thermocouple passage that extends from a start point in a within-shaft region of the rear surface of the ceramic plate, the within-shaft region being surrounded by the tubular shaft, to a terminal end position in an outer peripheral portion of the ceramic plate.
Ryohei MATSUSHITA, Shuichiro MOTOYAMA
Filed: 4 Dec 20
Utility
Electrostatic Chuck Heater
5 Aug 21
An electrostatic chuck heater includes a ceramic plate, an electrostatic electrode, first and second zone heater electrodes, and first and second zone gas grooves.
Joyo ITO
Filed: 14 Jan 21
Utility
Ceramic Heater and Thermocouple Guide
5 Aug 21
A ceramic heater includes a ceramic plate having a wafer placement surface, a tubular shaft having one end that is bonded to a rear surface of the ceramic plate on an opposite side to the wafer placement surface, a within-shaft region of the rear surface of the ceramic plate, an elongate hole extending from a start point in an outer peripheral portion of the within-shaft region to a terminal end position in the outer peripheral portion of the ceramic plate, and a thermocouple guide that guides a tip end of an outer-peripheral-side thermocouple to come into the start point of the elongate hole.
Daisuke TSUNEKAWA, Shuichiro MOTOYAMA
Filed: 27 Jan 21
Utility
Ceramic Heater
5 Aug 21
A ceramic heater includes a ceramic plate having a surface that serves as a wafer placement surface, resistance heating elements that are embedded in the ceramic plate, a tubular shaft that supports the ceramic plate from a rear surface of the ceramic plate, a recess that is formed in a within-shaft region of the rear surface of the ceramic plate, the within-shaft region being surrounded by the tubular shaft, and terminals that are disposed to be exposed at a side surface of the recess and that supply electric power to the resistance heating element.
Noboru KAJIHARA, Shuichiro MOTOYAMA
Filed: 23 Dec 20
Utility
Ceramic Heater
5 Aug 21
A ceramic heater includes a ceramic plate incorporating an outer peripheral resistance heating element, and an outer peripheral thermocouple that measures the temperature of an outer peripheral zone by a temperature measurement portion provided at the tip of the outer peripheral thermocouple.
Tomohiro TAKAHASHI, Noboru KAJIHARA
Filed: 19 Apr 21
Utility
Ceramic Heater
5 Aug 21
A ceramic heater includes a ceramic plate, a main resistance heating element, and sub resistance heating elements.
Masaki ISHIKAWA, Shuichiro MOTOYAMA
Filed: 21 Apr 21