1619 patents
Page 28 of 81
Utility
Electrode-embedded Ceramic Structure
21 Jul 22
An electrode-embedded ceramic structure includes: a ceramic shaft, wherein an electrode is disposed on an outer circumference thereof; and a ceramic tube housing the ceramic shaft therein and coupled to the ceramic shaft.
Takao OHNISHI, Daishi TANABE, Akifumi MORISHITA
Filed: 4 Apr 22
Utility
Ceramic Body and Method for Producing Same, Heater Element, Heater Unit, Heater System As Well As Purification System
21 Jul 22
A ceramic body being configured of mainly BaTiO3-based crystalline particles in which a part of Ba is substituted with at least one rare earth element, wherein the ceramic body contains Ba6Ti17O40 crystalline particles of from 1.0 to 10.0% by mass.
Toru HAYASE, Hirofumi YAMAGUCHI, Masaaki MASUDA, Yukio MIYAIRI
Filed: 9 Dec 21
Utility
Flow Path Member for Heat Exchanger, and Heat Exchanger
21 Jul 22
A flow path member for a heat exchanger includes: an inner cylinder capable of housing a heat recovery member through which a first fluid can flow; 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 so as to be spaced on a radially outer side of the inner cylinder 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.
Tatsuya AKAHANI, Tatsuo KAWAGUCHI, Makoto YOSHIHARA
Filed: 15 Sep 21
Utility
Reductant injecting device, exhaust gas processing device and exhaust gas processing method
19 Jul 22
A reductant injecting device includes: a honeycomb structure comprising: a pillar shaped honeycomb structure portion having a partition wall that defines a plurality of cells each extending from a fluid inflow end face to a fluid outflow end face; and at least one pair of electrode portions arranged on a side surface of the honeycomb structure portion; an outer cylinder being configured to house the honeycomb structure, the outer cylinder having a carrier gas introduction port on the fluid inflow end face side; a urea sprayer arranged at one end of the outer cylinder; a carrier gas introduction cylinder provided at the carrier gas introduction port of the outer cylinder; and a carrier gas flow rate amplifier provided in the carrier gas introduction cylinder.
Katsumi Saiki, Yukinari Shibagaki
Filed: 9 Apr 21
Utility
Gas sensor
19 Jul 22
A gas sensor includes a sensor element and one or more hollow columnar dense bodies.
Yuki Nakayama, Shota Kageyama, Yusuke Fujii, Kei Kosaka
Filed: 31 Oct 19
Utility
Sensor element and gas sensor
19 Jul 22
A sensor element used to detect, using a limiting current method, the specific gas concentration in a rich-atmosphere measurement-object gas.
Taku Okamoto, Nobukazu Ikoma, Osamu Nakasone
Filed: 3 Dec 19
Utility
Gas sensor
19 Jul 22
A gas sensor includes a sensor element and one or more hollow columnar dense bodies.
Yuki Nakayama, Shota Kageyama, Yusuke Fujii, Kei Kosaka
Filed: 31 Oct 19
Utility
Electrochemical cell and cell stack device
19 Jul 22
An electrochemical cell includes a porous support substrate and a power generation element portion.
Noriyuki Ogasawara, Hirofumi Kan, Makoto Ohmori, Takashi Ryu
Filed: 4 Oct 19
Utility
Extrusion Molding Die and Extrusion Molding Machine
14 Jul 22
An extrusion molding die includes a pair of die bodies, the die bodies have: a pair of lip portions arranged so as to face each other to form a slit port; and a pair of introduction portions arranged so as to face each other to form an introduction port.
Kosuke IWATA, Ryuji YAMAGUCHI, Yuichi TAJIMA
Filed: 15 Sep 21
Utility
Sensor element
12 Jul 22
A sensor element includes: an element base including: a ceramic body made of an oxygen-ion conductive solid electrolyte, and having a gas inlet at one end portion thereof; at least one internal chamber located inside the ceramic body, and communicating with the gas inlet under predetermined diffusion resistance; an electrochemical pump cell including an electrode located on an outer surface of the ceramic body, an electrode facing the chamber, and a solid electrolyte located therebetween; and a heater buried in the ceramic body, and an leading-end protective layer being porous, and covering a leading end surface and four side surfaces in a predetermined range of the element base on the one end portion.
Yusuke Watanabe, Mika Kai, Tomoya Seimori, Takashi Hino
Filed: 27 Aug 19
Utility
Sensor element
12 Jul 22
A sensor element includes: an element base including: a ceramic body made of an oxygen-ion conductive solid electrolyte, and having a gas inlet at one end portion thereof; at least one internal chamber located inside the ceramic body, and communicating with the gas inlet under predetermined diffusion resistance; an electrochemical pump cell including an electrode located on an outer surface of the ceramic body, an electrode facing the internal chamber, and a solid electrolyte located therebetween; and a heater buried in the ceramic body, and a leading-end protective layer being porous, and covering a leading end surface and four side surfaces in a predetermined range of the element base on the one end portion.
Yusuke Watanabe, Mika Kai
Filed: 27 Aug 19
Utility
Optical scanning element
12 Jul 22
An optical scanning device includes a supporting body 2; an optical waveguide composed of a single crystal having electro-optic effect and integrated with the supporting body directly or through a clad layer; a plurality of periodic domain inversion parts formed in the optical waveguide, the periodic domain inversion parts having periods different from each other; and a plurality of electrodes capable of applying voltages on the periodic domain inversion parts, respectively, to generate diffraction gratings in the periodic domain inversion parts, respectively.
Jungo Kondo, Naotake Okada, Tetsuya Ejiri, Keiichiro Asai, Shoichiro Yamaguchi
Filed: 2 Jan 19
Utility
Conductive honeycomb structure
12 Jul 22
A conductive honeycomb structure that is divided into four equal portions in a flow path direction of cells in the structure to form four regions of A, B, C, and D from a side closer to a first end face, and an average value of electric resistances measured between two points in each of the four regions is represented as RA, RB, RC, and RD in this order from the side closer to the first end face.
Ai Ikoma, Yoshiyuki Kasai
Filed: 12 Mar 19
Utility
Methods for producing ceramic molded body and ceramic structure
12 Jul 22
A method for producing a ceramic molded body, the method including: a molding step of subjecting a ceramic molding material to extrusion molding using an extrusion molding machine equipped with a temperature control portion to provide a ceramic molded body; a cutting step of cutting the ceramic molded body to have a predetermined length; and a dimension measuring step of measure a dimension of the cut ceramic molded body.
Keita Ito, Yuichi Tajima, Yoshimasa Kondo
Filed: 29 Dec 20
Utility
Aluminum nitride plate
12 Jul 22
An aluminum nitride plate satisfies a “c1>97.5%”, a “c2>97.0%”, a “w1<2.5 degrees”, and a “w1/w2<0.995” where c1 is a c-plane degree of orientation that is defined as a ratio of a diffraction intensity of (002) plane when a surface layer of the aluminum nitride plate is subjected to an X-ray diffraction measurement, and c2 is a c-plane degree of orientation that is defined as a ratio of the diffraction intensity of (002) plane when a portion other than the surface layer of the aluminum nitride plate is subjected to the X-ray diffraction measurement, wherein w1 is a half-value width in an X-ray rocking curve profile of (102) plane of the surface layer and w2 is a half-value width in the X-ray rocking curve profile of (102) plane of the portion other than the surface layer.
Yoshimasa Kobayashi, Hiroharu Kobayashi, Hiroyuki Shibata
Filed: 24 Sep 20
Utility
Negative electrode and zinc secondary battery
12 Jul 22
Provided is a negative electrode for use in a zinc secondary battery containing (A) ZnO particles and (B) at least two selected from the group consisting of (i) metallic Zn particles having an average particle size D50 of 5 to 80 μm, (ii) at least one metal element selected from In and Bi, and (iii) a binder resin having a hydroxyl group.
Hiroshi Hayashi, Naomi Saito, Eri Asano, Hiroshi Matsubayashi
Filed: 1 Mar 21
Utility
Secondary battery
12 Jul 22
The present invention provides a secondary battery, including a positive electrode plate composed of an inorganic material including a positive electrode active material in an oxide form and having a thickness of 25 μm or more; a negative electrode plate composed of an inorganic material including a negative electrode active material in an oxide form and having a thickness of 25 μm or more; and an inorganic solid electrolyte layer, wherein the secondary battery is chargeable and dischargeable at a temperature of 100° C. or more.
Yukihisa Takeuchi, Iwao Ohwada, Yukinobu Yura
Filed: 23 Apr 19
Utility
Gas sensor
5 Jul 22
A gas sensor detects the concentration of a specific gas on the basis of a pump current that flows when oxygen is pumped out from a measurement chamber, so that an oxygen concentration in the measurement chamber becomes a predetermined low concentration, the oxygen that is pumped out being oxygen that is generated when the specific gas is reduced in measurement chamber in a case where the specific gas is an oxide or being oxygen that is generated when a gas obtained as a result of conversion of the specific gas to an oxide is reduced in the measurement chamber in a case where the specific gas is a non-oxide.
Osamu Nakasone, Taku Okamoto, Nobukazu Ikoma
Filed: 26 Jun 19
Utility
Gas sensor and sensor element
5 Jul 22
A gas sensor includes an element body, an inner main pump electrode, an inner auxiliary pump electrode, an inner preliminary pump electrode, a measurement electrode, a reference electrode, a measurement voltage detection device, a specific gas concentration detection device.
Kunihiko Nakagaki, Taku Okamoto, Osamu Nakasone, Nobukazu Ikoma
Filed: 26 Jun 19
Utility
Electrochemical cell
5 Jul 22
The electrochemical cell has an anode, a cathode, and a solid electrolyte layer.
Shinji Fujisaki, Takashi Ryu, Makoto Ohmori
Filed: 5 Dec 18