1619 patents
Page 65 of 81
Utility
Bonding method
20 Jul 20
It is formed, over a supporting body made of a ceramic, a bonding layer composed of one or more material selected from the group consisting of mullite, alumina, tantalum pentoxide, titanium oxide and niobium pentoxide.
Tomoyoshi Tai, Yuji Hori, Keiichiro Asai, Takashi Yoshino, Masashi Goto, Masahiko Namerikawa
Filed: 18 Sep 18
Utility
Optical element and method for manufacturing optical element
20 Jul 20
An optical element includes an optical waveguide layer.
Kousuke Niwa, Jungo Kondou, Shoichiro Yamaguchi, Keiichiro Asai
Filed: 30 May 19
Utility
Base Substrate, Functional Element, and Method for Manufacturing Base Substrate
15 Jul 20
A base substrate includes a supporting substrate comprising aluminum oxide, and a base crystal layer provided on a main face of the supporting substrate, comprising a crystal of a nitride of a group 13 element and having a crystal growth surface.
Masashi GOTO, Masahiro SAKAI, Shohei OUE, Takashi YOSHINO
Filed: 23 Mar 20
Utility
Member for Semiconductor Manufacturing Apparatus
15 Jul 20
A member for a semiconductor manufacturing apparatus includes a ceramic plate having an upper surface serving as a wafer mounting surface and incorporating an electrode, a ceramic dense plug disposed adjacent to a lower surface side of the ceramic plate and ceramic-bonded to the ceramic plate by a ring-shaped joint portion, a metal cooling plate joined to the lower surface of the ceramic plate in a portion other than the ring-shaped joint portion, and a gas flow channel.
Masaki ISHIKAWA, Yuji AKATSUKA
Filed: 25 Sep 19
Utility
Base Substrate, Functional Element, and Production Method for Base Substrate
15 Jul 20
A base substrate includes a supporting substrate, and a base crystal layer provided on a main face of the supporting substrate, composed of a crystal of a group 13 nitride and having a crystal growth surface.
Masahiro SAKAI, Shohei OUE, Masashi GOTO, Takashi YOSHINO
Filed: 22 Mar 20
Utility
Zinc Secondary Battery
15 Jul 20
There is provided a secondary zinc battery including: (a) at least one unit cell including; a positive electrode; a negative-electrode structure including a negative-electrode active material layer containing at least one selected from the group consisting of elemental zinc, zinc oxide, zinc alloys, and zinc compounds; a LDH separator including a porous substrate composed of a polymeric material and layered double hydroxide (LDH); and an electrolytic solution; and (b) a pressuring unit compacting the unit cell to bring the negative-electrode structure in close contact with the LDH separator.
Junki MATSUYA, Yuichi GONDA, Takeshi YAGI, Kenshin KITOH
Filed: 23 Mar 20
Utility
Assembly of Piezoelectric Material Substrate and Support Substrate, and Method for Manufacturing Said Assembly
15 Jul 20
A bonded body includes a supporting substrate, silicon oxide layer provided on the supporting substrate, and a piezoelectric material substrate provided on the silicon oxide layer and composed of a material selected from the group consisting of lithium niobate, lithium tantalate and lithium niobate-lithium tantalite.
Yuji HORI, Takahiro YAMADERA, Tatsuro TAKAGAKI
Filed: 29 Mar 20
Utility
Ceramic heater, sensor element, and gas sensor
13 Jul 20
A heater 72 of a heater portion includes linear portions 78 and bend portions 77.
Yusuke Watanabe, Takao Murase, Masashi Yasui, Rui Sakaguchi
Filed: 16 Aug 16
Utility
Honeycomb structure
13 Jul 20
A honeycomb structure includes a pillar-shaped honeycomb structure body having porous partition walls, wherein the partition walls have projecting portions, a shape of each cell is polygonal, in the polygonal cell, the projecting portions are disposed on two sides extending from a corner of the cell, respectively, the projecting portions are non-uniformly arranged, a relation of Formula (1) is satisfied, and a ratio of a total number of the corners is 2.5% or more: Formula (1): 1/(N+1)<A/L.
Takayuki Ogata
Filed: 14 Mar 18
Utility
Manufacturing method of honeycomb structure forming die, and honeycomb structure forming die
13 Jul 20
A manufacturing method of a honeycomb structure forming die includes a linear slit forming step of forming, in a kneaded material discharging surface of a die substrate, a plurality of linear slits which are straight from one end to the other end on the kneaded material discharging surface, a slit sealing material disposing step of disposing a slit sealing material in parts of the plurality of linear slits, and a back hole forming step of forming back holes to introduce a kneaded material, in a kneaded material introducing surface of the die substrate which is present on a side opposite to the kneaded material discharging surface.
Toshihiro Hirakawa, Toshio Yamada, Yukio Miyairi
Filed: 24 Jan 17
Utility
Oriented Ceramic Sintered Body Production Method and Flat Sheet
8 Jul 20
An oriented ceramic sintered body production method includes (a) a step of preparing a ceramic compact before firing into an oriented ceramic sintered body; and (b) a step of obtaining an oriented ceramic sintered body by sandwiching the ceramic compact between a pair of releasing sheets, placing the ceramic compact and the releasing sheets in a hot press firing furnace, and hot press firing the ceramic compact while applying a pressure by a pair of punches through the pair of releasing sheets, wherein each of the releasing sheets is a releasing sheet such that, after the releasing sheet is sandwiched between PET films, is then placed and vacuum-packed on a stainless steel sheet, and is isostatically pressed at 200 kg/cm2, a surface of the releasing sheet on the side opposite from the stainless steel sheet has a profile curve with a maximum profile height Pt of 0.8 μm or less.
Morimichi WATANABE, Kei SATO, Kiyoshi MATSUSHIMA, Takahiro MAEDA, Jun YOSHIKAWA, Tsutomu NANATAKI
Filed: 12 Mar 20
Utility
Wafer Mounting Table and Method of Manufacturing the Same
8 Jul 20
A wafer mounting table includes a first electrode and a second electrode buried inside of a ceramic substrate having a wafer mounting surface so as to be parallel to the wafer mounting surface with the first electrode closer to the wafer mounting surface than the second electrode.
Yuji AKATSUKA, Masaki ISHIKAWA, Kazuhiro NOBORI, Akiyoshi HATTORI, Keiichi NAKAMURA
Filed: 23 Feb 20
Utility
Zinc Secondary Battery
8 Jul 20
There is provided a secondary zinc battery including: a unit cell including; a positive-electrode plate including a positive-electrode active material layer and a positive-electrode collector; a negative-electrode plate including a negative-electrode active material layer containing zinc and a negative-electrode collector; a layered double hydroxide (LDH) separator covering or wrapping around the entire negative-electrode active material layer; and an electrolytic solution.
Junki Matsuya, Yuichi Gonda, Takeshi Yagi, Kenshin Kitoh
Filed: 15 Mar 20
Utility
Heat Pipe and Secondary Battery Comprising Heat Pipe
8 Jul 20
A heat pipe disclosed herein may include a tubular body sealing a working fluid therein; and a wick disposed on at least a part of inside of the tubular body.
Toshikatsu KASHIWAYA, Mikio TANAKA, Hiroki ABE
Filed: 18 Mar 20
Utility
Honeycomb filter
6 Jul 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 at least one of an inflow cell and an outflow cell, and a through-cell, and a second cell row including no through-cells.
Yasushi Kato, Takahiro Kondo
Filed: 10 Apr 18
Utility
Method for refining organic compound
6 Jul 20
An organic compound refinement method for refining a specific organic compound which is a target compound from at least two types of organic compounds.
Kousuke Niwa, Hiroaki Isobe
Filed: 13 Feb 19
Utility
Polycrystalline gallium nitride self-supported substrate and light emitting element using same
6 Jul 20
There is provided a self-supporting polycrystalline gallium nitride substrate having excellent characteristics such as high luminous efficiency and high conversion efficiency when used for devices, such as light emitting devices and solar cells.
Morimichi Watanabe, Kei Sato, Yoshitaka Kuraoka, Katsuhiro Imai, Tsutomu Nanataki
Filed: 8 Aug 18
Utility
Particle Detection Element and Particle Detector
1 Jul 20
A particle detection element used to detect the number of particles in a gas includes: a casing having a gas flow passage through which the gas passes; an electric charge generating unit that imparts charges generated by a discharge to the particles in the gas introduced into the casing to thereby form charged particles; and a collecting unit including a collecting electrode that is disposed inside the casing and collects a collection target that is the charged particles or the charges not imparted to the particles.
KEIICHI KANNO, Kazuyuki Mizuno, Hidemasa Okumura
Filed: 2 Mar 20
Utility
Sensor Element
1 Jul 20
A sensor element includes: an element base including: a ceramic body made of an oxygen-ion conductive solid electrolyte, and having an inlet at one end portion thereof; at least one internal chamber located inside the ceramic body, and communicating with the gas inlet; and an electrochemical pump cell including an outer electrode, an inner electrode facing the chamber, and a solid electrolyte therebetween, and a porous leading-end protective layer covering a leading end surface and four side surfaces in a predetermined range of the element base on the one end portion, wherein the protective layer has an extension extending into the gas inlet and fixed to an inner wall surface of the ceramic body demarcating the gas inlet, and a gap communicating with the gas inlet is located in the protective layer, with demarcated by a portion of the protective layer continuous with the extension.
Yusuke WATANABE, Takashi HINO, Mika KAI
Filed: 15 Dec 19
Utility
Method for Inspecting Piezoelectric Element
1 Jul 20
Provided is a method for inspecting a piezoelectric element in which voltage is applied to a piezoelectric element and evaluation of the electrical characteristics of the piezoelectric element is performed.
Hiroki Obata, Masayuki Uetani, Ryusuke Ikeda
Filed: 9 Mar 20