217 patents
Page 2 of 11
Utility
Noble Metal Tip for Spark Plug, Electrode for Spark Plug, and Spark Plug
20 Apr 23
A noble metal tip for a spark plug according to the present invention contains iridium (Jr) in an amount of 50 mass % or more and aluminum (Al) in an amount of 0.1 mass % or more and 5 mass % or less, and further contains rhodium (Rh), wherein a metallographic structure comprised of fiber-like elements R is observed, and the fiber-like elements R of the metallographic structure have an average aspect ratio of 150 or more and have an average length of 25 μm or less in a minor axis direction.
Osamu YOSHIMOTO, Tomoo TANAKA, Kengo HATTORI
Filed: 2 Feb 21
Utility
Yttrium Oxide-based Sintered Body and Semiconductor Production System Member
13 Apr 23
An yttrium oxide-based sintered body contains yttrium oxide as a main constituent and 0.1 wt % or more and 5.0 wt % or less of zirconium on a ZrO2 basis.
Yuki TAKAHASHI
Filed: 4 Oct 22
Utility
Spark Plug
6 Apr 23
This spark plug includes a cap portion covering a center electrode and an end of a ground electrode from a front side.
Tatsuya GOZAWA, Ritsuka NAKAGAWA
Filed: 27 Aug 20
Utility
Gas Sensor
9 Mar 23
A gas sensor (200) including a sensor element (10) having electrode pads (11a-12b); a separator (166); and a plurality of metal terminals (21a, 21b, 22a, 22b) each having a body portion (21a1) and a front end portion (21a2), and being insulated from each other by the separator.
Daisuke MATSUYAMA, Kunihiko YONEZU, Masashi NOMURA, Yuto INOSE, Masana OKAI
Filed: 22 Apr 21
Utility
Spark Plug
2 Mar 23
This spark plug inhibits excessive increase in the temperature of a ground electrode to inhibit occurrence of pre-ignition.
Daisuke MISHIMA
Filed: 21 May 21
Utility
Spark Plug
2 Mar 23
A spark plug having a center electrode that includes a columnar noble metal tip at one end thereof, and a ground electrode that forms a spark gap between the ground electrode and a circular discharge surface of the tip.
Kazuki ITO, Hiroaki IZAWA, Kengo HATTORI
Filed: 19 Aug 21
Utility
Gas Sensor Element, Gas Sensor, and Manufacturing Method for Gas Sensor Element
2 Mar 23
A gas sensor element includes: a first ceramic structure (100A) having a detection cell (120); a second ceramic structure (100B) having a pump cell (110) disposed apart from the first ceramic structure in a lamination direction; and a third ceramic structure (100C) having a frame-shaped body (200) surrounding a space (150a) formed between the first and second ceramic structures, the frame-shaped body including a gas introduction portion (151) and a peripheral wall portion (141).
Hitoshi FURUTA, Akinori KOJIMA, Kentaro KAMADA, Yosuke SUZUKI
Filed: 30 Aug 22
Utility
Water Quality Measurement Device and Storage Method for Water Quality Measurement Device
23 Feb 23
A water quality measurement device (100) includes a flow channel (130), an ion sensor having a responsive film portion whose surface is disposed in the flow channel (130), a glass-electrode-type sensor having a glass electrode whose surface is disposed in the flow channel (130), a drive section (115), a first opening-closing section, and a second opening-closing section.
Shunsuke KAMEI, Keisuke TASHIMA, Norimasa OSAWA
Filed: 8 Jan 21
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
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
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
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
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
Utility
Yttrium Oxide-based Sintered Body, Production Method Therefor, and Member for Semiconductor Production Apparatus
29 Sep 22
An yttrium oxide-based sintered body includes yttrium oxide as a predominant component.
Yuki TAKAHASHI, Yoshifumi TSUTAI
Filed: 24 Mar 22
Utility
Spark Plug
15 Sep 22
A spark plug includes a tubular metal shell; an insulator including a locking portion locked onto the metal shell; and a cap disposed at a front end side of the metal shell, the cap having a plurality of orifices.
Tatsuya GOZAWA, Shunsuke MAEDA, Daiki GOTO
Filed: 10 Feb 22