217 patents
Page 9 of 11
Utility
Surface-coated Cutting Tool
22 Apr 20
Shota NOZAKI, Fumihiro KIKKAWA, Atsushi KOMURA
Filed: 10 May 18
Utility
Spark Plug
8 Apr 20
A spark plug according to one embodiment of the present invention includes an insulator formed of an alumina-based sintered body, wherein the insulator contains 90 wt % or more of an aluminum component in terms of oxide, and wherein crystal grains of the insulator has an average grain size of 1.5 mm or smaller and a grain size standard deviation of 1.2 μm or smaller.
Yutaka Yokoyama, Nobuyoshi Araki, Kuniharu Tanaka, Haruki Yoshida, Hironori Uegaki, Toshiki Kon, Yusuke Nomura
Filed: 17 Sep 19
Utility
Wiring Board
8 Apr 20
A wiring board has a metal-made base having a front surface and a back surface, an insulating frame body bonded to the front surface of the base through a bonding layer made of bonding material, a seating provided in an area that is located at an inner side with respect to the frame body on the front surface of the base, a mounting area where a component is supposed to be mounted on the front surface of the base, and a groove formed on the front surface of the base.
Yosuke IMOTO, Shinichiro HANEISHI, Kenji SUZUKI, Norihiko KAWAI, Naoki KITO
Filed: 25 Sep 19
Utility
Wiring Board
8 Apr 20
A wiring board has a metal-made base having a front surface and a back surface, an insulating frame body bonded to the front surface of the base through a bonding layer made of bonding material, a mounting area where a component is supposed to be mounted on the front surface of the base, and a restriction portion formed by a groove or a protrusion that is provided on the front surface of the base or by a combination of the groove and the protrusion.
Yosuke IMOTO, Shinichiro HANEISHI, Kenji SUZUKI, Norihiko KAWAI, Naoki KITO
Filed: 25 Sep 19
Utility
Spark Plug
1 Apr 20
A spark plug includes: an insulator with an axial hole; a center electrode held in a front end side of the axial hole; a cylindrical metal shell disposed around the insulator and having a seal part brought into contact with an outer circumferential surface of the insulator; a ground electrode arranged to form a gap with the center electrode; and a cap connected to a front end part of the metal shell to define therein an auxiliary combustion space in which the gap is formed, the cap having at least one through hole formed to provide communication between the auxiliary combustion space and the outside, wherein the condition (B/A)≤0.25 is satisfied where A represents a volume of an imaginary space defined at a position frontward of the seal part; and B represents a volume of parts of the ground and center electrodes located in the imaginary space.
Tatsuya GOZAWA
Filed: 22 Aug 19
Utility
Electrochemical Reaction Cell Stack, Interconnector-electrochemical Reaction Unit Cell Composite, and Method for Manufacturing Electrochemical Reaction Cell Stack
25 Mar 20
An electrochemical reaction cell stack including a plurality of unit cells and flat plate-shaped electrically conductive members arranged in a first direction.
Kenta MANABE, Takeshi OHNO
Filed: 30 May 18
Utility
Exhalation Sensor
11 Mar 20
Provided is an exhalation sensor that utilizes heat effectively and can operate with low power consumption.
Takafumi SHICHIDA, Kenji NISHIO, Masatoshi UEKI, Tsuyoshi INOUE
Filed: 26 Oct 17
Utility
Electro-chemical Reaction Unit, Electro-chemical Reaction Cell Stack, and Electro-chemical Reaction Unit Production Method
11 Mar 20
An electrochemical reaction unit includes a unit cell including an electrolyte layer, and a cathode and an anode which face each other in a first direction with the electrolyte layer intervening therebetween, and one or a plurality of structural members.
Yoshiaki SATO, Ryoji TANIMURA, Kenta EGUCHI, Makoto KURIBAYASHI
Filed: 21 Nov 17
Utility
Ignition Plug
11 Mar 20
The spark plug includes an insulator, a metal shell, and a buffering member.
Susumu IMAI
Filed: 7 Aug 17
Utility
Wiring Board
4 Mar 20
A wiring board includes: a ceramic board including a ceramic insulator layer composed mainly of ceramic, and a wiring disposed at the ceramic insulator layer; a first resin board and a second resin board each of which includes a resin insulator layer composed mainly of resin, and a wiring disposed at the resin insulator layer; and a metal member mounted to the second resin board.
Takakuni NASU, Yousuke KONDOU, Masaomi HATTORI, Kouta KIMATA, Atsushi KAGA, Guangzhu JIN
Filed: 25 Jul 19
Utility
Temperature Sensor
12 Feb 20
A temperature sensor (1) includes: a temperature sensitive element (90); a sheath member (20) provided on a rear end side of the temperature sensitive element, and including a pair of sheath core wires (21) connected to the temperature sensitive element, and a sheath outer tube (22) accommodating the sheath core wires inside an insulation material; a pair of lead wires (80) disposed on a rear end side of the sheath member, and directly or indirectly connected to the respective sheath core wires exposed more on a rear end side than the sheath outer tube; and glass-braided insulation covering portions (25) individually covering a pair of respective connection portions (23) of the sheath core wires and the lead wires, so as to insulate between the pair of the connection potions, in a rear end from the sheath outer tube.
Takuma NOMURA, Seiji OYA, Toshiya OYA, Shoko KOMIYA
Filed: 5 Aug 19
Utility
Method of Inspecting Spark Plug and Method of Manufacturing Spark Plug
5 Feb 20
A plurality of assemblies are prepared, and a predetermined voltage is applied to a center electrode of each of the plurality of assemblies.
Masafumi OKUDA
Filed: 23 Jul 19
Utility
Endmill Body and Radius End Mill
29 Jan 20
In an end mill body made of ceramic, a corner R rake face is formed in such a manner as to contain a point B and at least a region B, not a region A located on a side toward an end cutting edge.
Shusuke KITAGAWA, Yuki HATANO
Filed: 28 Jun 17
Utility
Wiring Substrate
22 Jan 20
A wiring substrate has a substrate body formed by a single or a plurality of insulating layers and having front and back surfaces located at opposite sides of the substrate body; a plurality of pads formed on at least one of the front surface, the back surface and an inner layer surface that is located between the front and back surfaces, and having a staggered arrangement in plan view; and a plurality of via conductors formed at each of the pads, extending in a thickness direction of the substrate body with the plurality of via conductors being parallel to each other and connecting the pads located on different surfaces.
Takahiro HAYASHI
Filed: 7 Jul 19
Utility
Spark Plug
15 Jan 20
A spark plug includes a tip extending in a first direction and an electrode base metal having an extending portion extending in the first direction and connected to the tip through a fusion zone.
Junji KIMURA
Filed: 7 Jul 19
Utility
Method for Manufacturing Spark Plug
15 Jan 20
A method for manufacturing a spark plug including a reference standard imaging step of imaging a plurality of reference standards to obtain a plurality of reference images, each reference standard having a reference part with a predetermined known dimension; a reference standard measuring step of measuring a measured dimension or a measured number of pixels of the reference part in the plurality of reference images; a regression line deriving step of obtaining a regression line by the least squares method from: the measured dimension or the measured number of pixels of the plurality of reference standards; and the known dimensions; and a determining step of determining whether a target part in a target image is within a predetermined range based on a correction value obtained by correcting a measured dimension of a target part by using a relational expression describing the regression line.
Kota NISHIMURA, Norihide KACHIKAWA
Filed: 7 Jul 19
Utility
Spark Plug
8 Jan 20
A spark plug includes: a center electrode; an insulating member; a metal shell; a ground electrode; and a cap covers an opening of the metal shell on the front end side to define an auxiliary combustion space in which the gap is disposed, a first angle being formed by a second line and a first tangent line, a second angle being formed by the second line and a second tangent line, the second angle being greater than the first angle, and at least a portion of the opening of the specific through hole on the auxiliary combustion space side being positioned on a range of the second angle.
Tatsuya GOZAWA
Filed: 27 Jun 19
Utility
Spark Plug
8 Jan 20
The spark plug includes: an insulator having an axial hole formed along an axial line; and a metal terminal provided on a rear side of the axial hole of the insulator.
Mai NAKAMURA
Filed: 30 Jun 19
Utility
Particulate Detection Apparatus
8 Jan 20
A particulate detection apparatus for controlling a particulate sensor which detects the amount of particulates discharged from a filter for collecting particulates contained in exhaust gas.
Takeshi SUGIYAMA, Yoshinori HIBINO
Filed: 7 Jul 19
Utility
Temperature Control Apparatus, Temperature Control Method, Gas Sensor, Method of Manufacturing Gas Sensor, and Temperature Control System for Gas Sensor
1 Jan 20
A gas sensor including a detection element section (71) including a solid electrolyte body and a pair of electrodes disposed on the solid electrolyte body, and a heater (73) for heating the detection element section (71).
Kentaro KAMADA, Hitoshi FURUTA
Filed: 18 Jun 19