1619 patents
Page 14 of 81
Utility
Electrochemical cell
25 Apr 23
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 an A site, and a solid electrolyte layer arranged between the fuel electrode and the air electrode.
Shinji Fujisaki, Takashi Ryu, Makoto Ohmori
Filed: 23 Jun 20
Utility
Joined body and elastic wave element
25 Apr 23
A bonded body having a supporting substrate and piezoelectric material layer is provided.
Masashi Goto, Tomoyoshi Tai, Mai Minoura
Filed: 20 Feb 20
Utility
Wafer Placement Table
20 Apr 23
A wafer placement table includes a ceramic base having a wafer placement surface on its top surface where a wafer is able to be placed and incorporating an electrode, a cooling base bonded to a bottom surface of the ceramic base and having a refrigerant flow channel, a plurality of holes extending through the cooling base in an up and down direction, and a heat exchange promoting portion that is provided in an area around at least one of the plurality of holes and that promotes heat exchange between refrigerant flowing through the refrigerant flow channel and a wafer placed on the wafer placement surface.
Seiya INOUE, Tatsuya KUNO
Filed: 20 Jul 22
Utility
Gallium Oxide Single Crystal Particle and Method for Producing the Same
20 Apr 23
A gallium oxide single crystal particle according to the present invention is an α-Ga2O3 single crystal particle and has a diameter and a height that exceed 100 μm.
Jun YOSHIKAWA, Miho MAEDA, Hiroyuki SHIBATA
Filed: 19 Dec 22
Utility
Wafer Placement Table
20 Apr 23
A wafer placement table includes a ceramic base including an electrode, a cooling base including a coolant flow path formed therein, a bonding layer bonding the ceramic base and the cooling base, a stepped hole penetrating the bonding layer and the cooling base and including an upper hole portion with a small diameter, a lower hole portion with a large diameter, and a hole stepped portion between the upper hole portion and the lower hole portion, the upper hole portion passing through a region in which the coolant flow path is formed, a stepped insulating pipe inserted through the stepped hole and including an upper pipe portion with a small diameter, a lower pipe portion with a large diameter, and a pipe stepped portion between the upper pipe portion and the lower pipe portion; and a connection terminal bonded to the electrode and inserted through the stepped insulating pipe.
Hiroshi TAKEBAYASHI, Tatsuya KUNO, Seiya INOUE
Filed: 6 Oct 22
Utility
Composite Substrate for Electro-optic Element and Method for Manufacturing the Same
20 Apr 23
A composite substrate for an electro-optic element includes: an electro-optic crystal substrate having an electro-optic effect; a support substrate bonded to the electro-optic crystal substrate at least via an amorphous layer; and a low-refractive-index layer located between the electro-optic crystal substrate and the amorphous layer and having a lower refractive index than the electro-optical crystal substrate.
Tomoyoshi TAI, Jungo KONDO
Filed: 30 Nov 22
Utility
Free-standing Substrate for Epitaxial Crystal Growth, and Functional Element
20 Apr 23
A free-standing substrate, for growing epitaxial crystal composed of a group 13 nitride crystal selected from gallium nitride, aluminum nitride, indium nitride or a mixed crystal thereof, includes a nitrogen polar surface and group 13 element polar surface.
Masahiro SAKAI, Takashi YOSHINO
Filed: 20 Dec 22
Utility
Heat recovery device and heat recovery system
18 Apr 23
A heat recovery device includes: a honeycomb structure including an outer peripheral wall having at least one outer peripheral surface, and partition walls arranged on an inner side of the outer peripheral wall, the partition walls defining a plurality of cells each extending from a first end face to a second end face to form a flow path for a first fluid; a thermoelectric conversion element arranged to face the outer peripheral surface of the outer peripheral wall; a cylindrical member that circumferentially covers the honeycomb structure in which the thermoelectric conversion element is arranged; a casing arranged at an interval so as to form a flow path for a second fluid, the casing being arrange on a radially outer side of the cylindrical member; and a pressing member being configured to press the cylindrical member against the thermoelectric conversion element.
Makoto Yoshihara, Ryushiro Akaishi, Tatsuo Kawaguchi
Filed: 18 Oct 21
Utility
Acoustic wave devices and a method of producing the same
18 Apr 23
An acoustic wave device includes a piezoelectric material substrate, an intermediate layer on the piezoelectric material substrate and composed of one or more materials selected from the group consisting of silicon oxide, aluminum nitride and sialon.
Tomoyoshi Tai, Masahiko Namerikawa, Yudai Uno, Ryosuke Hattori, Keiichiro Asai
Filed: 26 Mar 19
Utility
Separation Membrane Complex and Separation Method
13 Apr 23
A separation membrane complex includes a porous support and a separation membrane formed on the support and used to separate fluid.
Noriyuki OGASAWARA, Kenji YAJIMA, Makiko ICHIKAWA
Filed: 12 Dec 22
Utility
Member for Semiconductor Manufacturing Apparatus
13 Apr 23
A member for semiconductor manufacturing apparatus includes a ceramic plate that has an upper surface including a wafer placement surface and that contains an electrode; a plug insertion hole that is formed as at least a portion of a through-hole extending through the ceramic plate in an up-down direction, an internal thread portion being on an inner circumferential surface around the plug insertion hole; and an insulating plug that includes an external thread portion screwed on the internal thread portion on an outer circumferential surface and that allows gas to pass therethrough.
Tatsuya KUNO, Seiya INOUE
Filed: 29 Jun 22
Utility
Wafer Placement Table
13 Apr 23
A wafer placement table is a wafer placement table that includes a refrigerant flow channel through which refrigerant is flowed and includes a top base including a ceramic base incorporating an electrode and having a wafer placement surface on a top surface of the ceramic base, a bottom base on a top surface of which a flow channel groove defining a side wall and a bottom of the refrigerant flow channel is provided, and a seal member disposed between the top base and the bottom base so as to seal the refrigerant flow channel from an outside.
Tatsuya KUNO, Seiya INOUE, Hiroshi TAKEBAYASHI, Masaki ISHIKAWA
Filed: 7 Sep 22
Utility
Gas Sensor Element
13 Apr 23
In order to suppress a deterioration in the measurement precision while also reducing the manufacturing cost of a gas sensor element, an aspect of the present invention is directed to a gas sensor element including: a stack formed by stacking a plurality of oxygen ion-conductive solid electrolyte layers, and including an internal space configured to receive a measurement target gas from the outside, a first face adjacent to the internal space, and a second face adjacent to an external space; a first pump electrode provided on the first face; a second pump electrode provided on the second face; a first lead formed on the first face so as to extend from the first pump electrode; and a second lead formed on the second face so as to extend from the second pump electrode and configured to be electrically connected to the first lead.
Yusuke WATANABE, Shotaro NIIZUMA, Kirari TAKAHASHI, Toshihiro HIRAKAWA
Filed: 8 Aug 22
Utility
Photonic Crystal Element
13 Apr 23
Provided is a photonic crystal element, which shows small delay of an electric signal, shows a small propagation loss, and has uniform characteristics over its entirety.
Jungo KONDO, Makoto IWAI, Keiichiro ASAI, Tomoyoshi TAI, Kentaro TANI
Filed: 7 Dec 22
Utility
Wafer Placement Table
13 Apr 23
A wafer placement table includes a ceramic base having a wafer placement surface on its top surface and incorporating an electrode, a cooling base in which a refrigerant flow channel is formed, and a metal bonding layer that bonds the ceramic base with the cooling base.
Tatsuya KUNO, Seiya INOUE, Hiroshi TAKEBAYASHI
Filed: 17 Jun 22
Design
Gas concentration detection sensor
11 Apr 23
Fumiya Takahashi, Takeshi Omori
Filed: 16 Mar 20
Utility
Optical Scanning Element
6 Apr 23
Provided is an optical scanning element, which has a large scan angle, is quickly responsive, and can be downsized.
Jungo KONDO, Kentaro TANI, Keiichiro ASAI, Tomoyoshi TAI
Filed: 30 Nov 22
Utility
Separation System
6 Apr 23
A separation system includes first and second separation parts each having a separation membrane and provided with a fluid supply port, a permeate fluid exhaust port, and a non-permeate fluid exhaust port, an intermediate connecting part for connecting the permeate fluid exhaust port of the first separation part and the fluid supply port of the second separation part, a supply pipe connected to the fluid supply port of the first separation part, in which a mixed fluid flows at a pressure higher than an atmospheric pressure, and a pressure reducing part connected to the permeate fluid exhaust port of the second separation part, for reducing a pressure inside the permeate fluid exhaust port to a pressure lower than the atmospheric pressure.
Naoto KINOSHITA, Kenichi NODA
Filed: 12 Dec 22
Utility
Vehicle Compartment Purification System, Method for Controlling Vehicle Compartment Purification System, Program and Storage Medium
30 Mar 23
A vehicle compartment purification system configured to be capable of executing a regeneration mode of a functional material by a controller, the regeneration mode including a first regeneration step in which the air is flowed through a plurality of cells of a heater element at a flow velocity A for a predetermined time from a start of the regeneration mode, and after the first regeneration step, a second regeneration step in which the air is flowed through the plurality of cells at a flow velocity B and flowed out to the outflow piping; wherein the flow velocity A and the flow velocity B satisfy the flow velocity A<the flow velocity B, provided that a direction from a first end surface to a second end surface of the heater element is regarded as a positive direction, and the flow velocity B is a positive value.
Yukio MIYAIRI, Masaaki MASUDA, Takuya NAKASHIMA, Subaru MATSUMOTO
Filed: 15 Sep 22
Utility
Gas Sensor Element
30 Mar 23
Provided is a gas sensor element that can be used for relatively long period of time without leading to a problem even in a harsh usage environment.
Yusuke WATANABE, Shotaro NIIZUMA, Toshihiro HIRAKAWA, Kirari TAKAHASHI
Filed: 8 Aug 22