1619 patents
Page 22 of 81
Utility
Lithium Ion Secondary Battery
13 Oct 22
A lithium ion secondary battery includes a pair of exterior films having outer edges bonded together in a stacked state to form an internal space, a battery body housed in the internal surface, a positive electrode tab terminal connected to the battery body in between the pair of exterior films and extending to an outside, and a negative electrode tab terminal connected to the battery body in between the pair of exterior films and extending to the outside.
Haruo OTSUKA
Filed: 3 Jun 22
Utility
Piezoelectric Vibrating Substrate and Piezoelectric Vibrating Element
13 Oct 22
A piezoelectric vibrating device includes a piezoelectric layer composed of a bulk piezoelectric material, a lower electrode on a first surface of the piezoelectric layer and a supporting substrate bonded with the lower electrode.
Tomoyoshi TAI, Yudai UNO, Keiichiro ASAI, Ryosuke HATTORI, Masato NIWA, Masahiko NAMERIKAWA
Filed: 28 Jun 22
Utility
Gas sensor and gas concentration measurement method
11 Oct 22
In a gas sensor, which measures a measurement pump current Ip3 of a measurement chamber, while switching a preliminary pump cell of a preliminary chamber ON or OFF at a constant period, there are formed in communication with each other sequentially from a gas introduction port in the interior of a structural body made from a solid electrolyte, a preliminary chamber, an oxygen concentration adjustment chamber, and a measurement chamber.
Yuichiro Kondo, Nobuhiko Mori
Filed: 26 Nov 19
Utility
Member for semiconductor manufacturing apparatus
11 Oct 22
A member for a semiconductor manufacturing apparatus includes a plate, at least one through hole, and an insulating pipe (cylindrical member).
Hiroshi Takebayashi
Filed: 22 Nov 19
Utility
Wafer support table
11 Oct 22
A wafer support table includes a ceramic base and a rod.
Tomohiro Takahashi
Filed: 19 Dec 19
Utility
Gas Sensor
6 Oct 22
Provided is a gas sensor intended to achieve improved measurement accuracy.
Yusuke WATANABE, Shotaro NIIZUMA, Hayami AOTA, Toshihiro HIRAKAWA
Filed: 21 Mar 22
Utility
Pillar-shaped Honeycomb Structure Filter
6 Oct 22
A pillar-shaped honeycomb structure including a plurality of first cells extending from an inlet side end surface to an outlet side end surface, and a plurality of second cells extending from the inlet side end surface to the outlet side end surface, with a porous partition wall interposed therebetween, wherein a porous film having a porosity higher than that of the partition walls is provided on a surface of each of the first cells, and at a cross-section orthogonal to the direction in which the first cells of the pillar-shaped honeycomb structure filter extend, the average thickness of the porous film in the central portion is larger than the average thickness of the porous film in the outer peripheral portion.
Yoshihiro SATO, Shuji UEDA, Koichi SENDO, Yutaka ISHII, Yuichi TAJIMA, Seiya NAKANO, Ken ITAZU
Filed: 24 Feb 22
Utility
Ceramic Heater, Method of Driving Ceramic Heater, and Gas Sensor
6 Oct 22
A ceramic heater is provided in an electronic component, and by supplying electrical current thereto, a heat generating portion thereof is heated to a temperature of greater than or equal to 700[° C.] and less than 950[° C.].
Kana IBATA, Yusuke WATANABE, Shiho IWAI, Takayuki SEKIYA, Yosuke NORITAKE, Daichi KONDO
Filed: 15 Mar 22
Utility
Honeycomb Structure
6 Oct 22
A honeycomb structure includes a pillar-shaped honeycomb structure body having a porous partition wall defining a plurality of cells serving as fluid through channels extending from a first end face to a second end face, and having a circumferential wall disposed so as to encompass the circumference of the partition wall, wherein a thickness of the partition wall is 50 to 132 μm, a porosity of the partition wall is 40 to 55%, an open frontal area of pores on the surface of the partition wall per unit surface area of the partition wall is 10 to 15%, and a percentage (S0˜10/Sall×100%) of the ratio of an opening area S0˜10 of the pores having an opening diameter of 10 μm or less to a total opening area Sall of the pores opened to the surface of the partition wall is 90% or more.
Chika GOTO, Shogo HIROSE, Tsubasa AOKI
Filed: 22 Dec 21
Utility
Gas Sensor
6 Oct 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: 13 Jun 22
Utility
Method for Manufacturing Pillar-shaped Honeycomb Structure Filter, and Particle Attaching Device for Pillar-shaped Honeycomb Structure
6 Oct 22
A method for manufacturing a pillar-shaped honeycomb structure filter including; attaching ceramic particles to a surface of the first cells by ejecting an aerosol including the ceramic particles toward the inlet side end surface from a direction perpendicular to the inlet side end surface while applying a suction force to the outlet side end surface to suck the ejected aerosol from the inlet side end surface, wherein the ejection of the aerosol is carried out using an aerosol generator including a drive gas flow path for flowing a pressurized drive gas, a supply port provided on the way of the drive gas flow path and capable of sucking the ceramic particles from an outer peripheral side of the drive gas flow path toward an inside of the drive gas flow path, and a nozzle attached to a tip of the drive gas flow path and capable of ejecting the aerosol.
Yoshihiro SATO, Shuji UEDA, Yuichi TAJIMA, Seiya NAKANO, Ken ITAZU, Koichi SENDO, Yutaka ISHII
Filed: 19 Jan 22
Utility
Porous Honeycomb Structure and Method for Manufacturing Same
6 Oct 22
A porous honeycomb structure including cell channels passing through an interior of the porous honeycomb structure and partitioned by porous partition walls, wherein the porous partition walls include skeleton portions containing an aggregate and a bonding material, and pore portions formed among the skeleton portions and through which a fluid can flow; and the porous partition walls have a porosity of 40 to 48% as measured by a mercury intrusion method, and a cumulative 50% pore diameter (D50) from a large pore side of 6 to 10 μm in a volume-based cumulative distribution of pore diameters measured by the mercury intrusion method, and a maximum pore diameter observed with a scanning electron microscope of 40 μm or less, and a ratio of a contact area between the aggregate and the bonding material to a surface area of the bonding material observed with the scanning electron microscope of 61 to 80%.
Taira HAYAKAWA, Suguru KODAMA, Hiroaki NOGUCHI
Filed: 23 Feb 22
Utility
Copper Alloy and Method for Producing Same
6 Oct 22
There is provided a copper alloy composed of Ni: 5 to 25% by weight, Sn: 5 to 10% by weight, at least one element M selected from the group consisting of Zr, Ti, Fe, and Si: 0.01 to 0.30% by weight in total, at least one element A selected from the group consisting of Mn, Zn, Mg, Ca, Al, and P: 0.01 to 1.00% by weight in total, the balance being Cu and inevitable impurities.
Yumiko KASUYA, Koki CHIBA
Filed: 23 Mar 22
Utility
Honeycomb Structure
6 Oct 22
Noriyuki HIBI
Filed: 23 Dec 21
Utility
Electric Heating Type Carrier and Exhaust Gas Purification Device
6 Oct 22
An electric heating type carrier including a conductive honeycomb structure portion and a pair of electrode layers, wherein in a cross-section orthogonal to the direction in which the cells extend, the honeycomb structure portion is classified into following three regions: a first resistance region having a contact portion with a first electrode layer, a second resistance region having a contact portion with a second electrode layer, and a third resistance region that does not come into contact with either the first electrode layer or the second electrode layer, and traverses the cross-section so as to be sandwiched between the first resistance region and the second resistance region, and has a higher electrical resistance per unit volume (1 cm3) than an electrical resistance per unit volume (1 cm3) of the first resistance region and the second resistance region.
Hirotaka SAITO, Naoki YOSHIDA
Filed: 16 Mar 22
Utility
Method for Estimating Heat Generation Distribution In Honeycomb Structure, Method for Producing Honeycomb Structure and Method for Producing Electrically Heating Support
6 Oct 22
A method for estimating a heat generation distribution in a honeycomb structure includes: a first step of allowing a predetermined minute current to flow between electrode layers A1 and B1 to energize a honeycomb structure, and measuring surface potentials at multiple points; a second step of allowing a predetermined minute current to flow between electrode layers A2 and B2 to energize the honeycomb structure, and measuring surface potentials at multiple points; a third step of quantifying, based on the measured surface potentials at the multiple points, at least one of resistances at the multiple points in the honeycomb structure, resistance ratios for energization paths, voltage sharing ratios, and surface potentials of the electrode layers A1, A2, B1 and B2; and a step of estimating a heat generation distribution in the honeycomb structure based on the values quantified in the third step.
Takashi NORO, Shungo Watanabe, Chikashi Ihara
Filed: 24 Jan 22
Utility
Sensor
6 Oct 22
The probability of a heater portion of a sensor element being exposed to water is lowered.
Yusuke WATANABE, Shotaro NIIZUMA, Hayami AOTA, Toshihiro HIRAKAWA, Kirari TAKAHASHI
Filed: 21 Mar 22
Utility
Method of producing honeycomb green body or fired article, bearer and method of producing the same
4 Oct 22
A bearer for bearing a honeycomb green body includes a solid main body provided with a groove in which a concave arc surface extends along one direction; and a single-layer or multi-layer sponge layer attached to the arc surface of the groove.
Yusuke Hayakawa, Yasunori Yamazaki
Filed: 24 Jan 19
Utility
Gas sensor
4 Oct 22
A gas sensor includes a sensor element, an inner protective cover having inside a sensor element chamber and having an element chamber inlet and an element chamber outlet, and an outer protective cover having an outer inlet and an outer outlet.
Fumiya Takahashi, Takeshi Omori
Filed: 30 Sep 20
Utility
Honeycomb Filter
29 Sep 22
A honeycomb filter includes a honeycomb structure body having a porous partition wall disposed to surround a plurality of cells and a plugging portion disposed at one end of the cells, wherein the plurality of cells are arranged in a square grid pattern along a first direction and a second direction in a section orthogonal to an extending direction of the cells, the shape in the section is a deformed square having a specific corner, the specific corner includes a first curved portion, a second curved portion, and a connecting portion, a radius of curvature R1 of the first curved portion and a radius of curvature R2 of the second curved portion are 40 to 80 μm, respectively, and a center distance between a center of curvature O1 of the first curved portion and a center of curvature O2 of the second curved portion is 80 to 200 μm.
Fumihiko YOSHIOKA, Yudai KURIMOTO
Filed: 2 Dec 21