483 patents
Page 4 of 25
Utility
Cutting Tool
19 Jan 23
A cutting tool (1) formed of a silicon nitride-based sintered body (2) including a matrix phase (3), a hard phase (4), and a grain boundary phase (10) in which a glass phase (11) and a crystal phase (12) exist.
Tatsuya TODA, Takuya FURUHASHI, Ryoji TOYODA
Filed: 28 Oct 20
Utility
Spark Plug
12 Jan 23
A spark plug which includes an insulator having an axial hole extending along an axial line, a metallic shell disposed around the insulator, and a center electrode disposed in the axial hole to be located on the forward end side of the axial line is provided.
Hiroki SHIMADA, Haruki YOSHIDA, Shota TAKAENOKI
Filed: 18 Jan 21
Utility
NOx sensor element and NOx sensor
10 Jan 23
A NOx sensor element includes: a first pump cell configured to adjust an oxygen concentration in a first measurement chamber; a diffusion resistance portion configured to adjust a diffusion rate of a measurement target gas introduced into the first measurement chamber; and a second pump cell in which a pump current corresponding to a NOx concentration in the measurement target gas after the adjustment of the oxygen concentration, flows.
Kentaro Kamada, Hitoshi Furuta
Filed: 30 Mar 20
Utility
Package
10 Jan 23
A package has a package body formed by stacked insulating layers and having a front surface including a mounting area, a back surface and a side surface; a plurality of hollow portions arranged so as to be adjacent to each other on the front surface of the package body; a plurality of electrode pads individually placed on respective bottom surfaces of the hollow portions; and a partition wall formed by at least one insulating layer that forms the package body and having protruding banks at its both edge sides.
Takayuki Miyaji
Filed: 17 Dec 19
Utility
Method for manufacturing sensor element
27 Dec 22
A method for manufacturing a sensor element that includes: a pair of electrodes; a ceramic layer having a hollow space that is to be an air introduction hole; and a first layer and a second layer stacked at both surfaces of the ceramic layer, One of the electrodes is in communication with the hollow space, The method includes: preparing an unsintered ceramic sheet, and a burn-out material sheet having a thickness different from that of the unsintered ceramic sheet, the burn-out material sheet having, in a plane orthogonal to the direction of an axial line O, a cross-sectional area substantially identical to a cross-sectional area of the pre-sintering hollow space; placing the burn-out material sheet in the pre-sintering hollow space; pressing the sheets so as to have an identical thickness; and burning out the burn-out material sheet.
Satoshi Okazaki, Masaki Mizutani, Ai Igarashi
Filed: 3 Mar 20
Utility
Gas sensor
20 Dec 22
A gas sensor (100) extending in an axial direction AX including: a gas sensor element (120) which detects the concentration of a specific gas in a gas under measurement; a tubular metallic shell (110) having a polygonal tool engagement portion (110B) surrounding the gas sensor element (120); a tubular outer tube (103) which extends rearward from the metallic shell (110), surrounds the gas sensor element (120), and has an opening (103E) at a rear end thereof; a sealing member (191) which seals the opening (103E); and a tubular heat dissipating member (104) which surrounds the outer tube (103) and reduces the amount of heat transferred from the forward end side of the gas sensor (100) through the outer tube (103) to the sealing member (191).
Daisuke Matsuyama, Masahiro Asai, Masashi Nomura, Yuto Inose
Filed: 28 Feb 20
Utility
Liquid Quality Measurement Apparatus and Liquid Quality Measurement System
1 Dec 22
A liquid quality measurement apparatus includes a piping constituting a circulation path through which a measurement liquid flows, and a liquid quality sensor for measuring the quality of the measurement liquid, and an addition tank connected to the piping via an inlet port and an outlet port.
Shunya MIHARA
Filed: 31 May 22
Utility
Lithium Ion Conductive Solid Electrolyte and Production Method for Lithium Ion Conductive Solid Electrolyte
1 Dec 22
A lithium ion conductive solid electrolyte contains a lithium ion conductive powder having a garnet-type crystal structure including at least Li, La, Zr, and O, and a lithium ion conductive polymer.
Clive RANDALL, Enrique GOMEZ, Joo Hwan SEO, Masato IWASAKI, Hiroto NAKAYA
Filed: 23 Oct 20
Utility
Spark plug
29 Nov 22
A spark plug capable of generating a sufficient volume of jet with an increased range is provided.
Kenji Ban, Tatsuya Gozawa
Filed: 27 Apr 20
Utility
Holding device
22 Nov 22
A holding device includes: a plate-shaped member having a first surface approximately orthogonal to a first direction; heat generating resistors and temperature measuring resistors disposed in respective segments formed by virtually dividing at least part of the plate-shaped member, the segments being arranged in a direction orthogonal to the first direction; and an electricity supply section that forms electricity supply paths for the heat generating resistors and the temperature measuring resistors.
Kaname Miwa
Filed: 6 Apr 18
Utility
Spark Plug
10 Nov 22
A spark plug includes a center electrode, a tubular metallic shell which holds the center electrode therein in an insulated state, and a ground electrode which faces a forward end portion of the center electrode.
Kenji BAN, Tatsuya GOZAWA
Filed: 19 Nov 20
Utility
Spark Plug
10 Nov 22
Seiji NAKANO, Kengo FUJIMURA, Shota TAKAENOKI
Filed: 22 Dec 20
Utility
Wavelength Conversion Member, Light Source Device, and Method for Manufacturing Wavelength Conversion Member
10 Nov 22
A wavelength conversion member includes a ceramic fluorescent body for converting a wavelength of incident light, a heat radiation member for radiating heat of the ceramic fluorescent body to an outside atmosphere, and a solder layer for joining together the ceramic fluorescent body and the heat radiation member.
Yosuke YATSUYA, Ryuichi ARAKAWA, Toshiyuki SAKURAI, Tomoo TANAKA
Filed: 9 Jul 20
Utility
Hydrogel and method for producing hydrogel
8 Nov 22
The hydrogel includes a first network structure and a second network structure.
Masaya Iwata, Shinjiro Kasahara, Jian Ping Gong, Takayuki Kurokawa, Takayuki Nonoyama
Filed: 23 Apr 19
Utility
Wavelength Conversion Member for Soldering, Wavelength Conversion Device, and Light Source Device
3 Nov 22
A wavelength conversion member for soldering includes a ceramic fluorescent body for converting a wavelength of light entering from an incident surface of the ceramic fluorescent body, a reflection layer disposed on a back surface of the ceramic fluorescent body on a side opposite the incident surface and partially or entirely covering the back surface, and a junction layer composed of one or more films and covering at least the reflection layer selected from the back surface of the ceramic fluorescent body and the reflection layer.
Yosuke YATSUYA, Ryuichi ARAKAWA, Toshiyuki SAKURAI, Tsuneyuki ITO, Hiroki TAKEUCHI, Tomoo TANAKA, Yusuke KATSU
Filed: 9 Jul 20
Utility
Internal combustion engine component and method of manufacturing internal combustion engine component
18 Oct 22
A spark plug that prevents a decrease in strength of a member to which a mark is attached while ensuring a readability of the mark, and a method of manufacturing the spark plug.
Naoki Sadaka
Filed: 30 Oct 19
Utility
Spark plug
18 Oct 22
The spark plug includes a cylindrical insulator, a center electrode provided in the insulator, and a cylindrical metal shell provided around the insulator.
Shunsuke Tsuga, Keiji Ozeki
Filed: 27 Apr 20
Utility
Manufacturing method of gas sensor
11 Oct 22
Disclosed is a manufacturing method of a gas sensor.
Takehiro Oba, Tatsuya Okumura
Filed: 30 Sep 20
Utility
Electrode-embedded Member, Substrate Holding Member, Ceramic Heater, and Electrostatic Chuck
6 Oct 22
An electrode-embedded member includes a disc-shaped base that is formed of a ceramic sintered body, an electrode embedded in the base, and a plurality of pin-shaped projections projecting upward from an upper surface of the base.
Makoto HINO, Hiroaki SUZUKI
Filed: 24 Mar 22
Utility
Semiconductor Package
6 Oct 22
A semiconductor package includes a substrate body made of an insulating material and having a frame shape with a through hole; and a heat-dissipating member made of a metallic material and having a top face serving as an element-mounting surface, the element-mounting surface being positioned in the through hole.
Kenji OBINATA
Filed: 30 Mar 22