483 patents
Page 3 of 25
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
Waveguide slot antenna
18 Apr 23
A waveguide slot antenna is configured by a waveguide, formed by a dielectric substrate, a first conductive layer formed at a lower surface of the dielectric substrate, a second conductive layer formed at an upper surface of the dielectric substrate and provided with one or a plurality of slots, and a pair of side wall parts electrically connecting the first and second conductive layers and extending in a first direction, being provided with a power feeding part.
Hiroyuki Takahashi, Satoshi Hirano, Naoko Mori, Ikuro Aoki, Takuya Adachi
Filed: 1 Nov 19
Utility
Holding apparatus
18 Apr 23
A holding apparatus including a holding substrate having a first main face on one side in a thickness direction thereof, and a heat generation section which is disposed in the holding substrate and generates heat when energized.
Kaname Miwa
Filed: 31 Jan 18
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
Design
Ozone generator
11 Apr 23
Akihiro Momozaki
Filed: 26 Jul 21
Design
Ozone generator
11 Apr 23
Akihiro Momozaki
Filed: 26 Jul 21
Utility
Surface-coated cutting tool
11 Apr 23
Shota Nozaki, Ryoji Toyoda
Filed: 27 Nov 19
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
Spark plug
28 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
21 Mar 23
A gas sensor includes a gas sensor element for detecting the concentration of a specific gas in a gas under measurement, a tubular housing having an opening, a sealing member closing the opening, and a heat dissipating member having a rear end located at the same position or forward of the rear end of the housing.
Daisuke Matsuyama, Masahiro Asai, Masashi Nomura, Yuto Inose, Takehiro Oba
Filed: 20 Oct 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
Feed portion for coupling to a waveguide formed in a substrate, where the feed portion includes vias connected to a connection pad
21 Feb 23
A waveguide includes a dielectric substrate, a first conductor layer and a second conductor layer formed on a lower surface and an upper surface thereof, a pair of side wall parts forming side walls of both sides of the waveguide, and a feed part feeding an input signal to the waveguide.
Hiroyuki Takahashi, Satoshi Hirano, Naoko Mori, Ikuro Aoki, Takuya Adachi
Filed: 11 Sep 19
Utility
Ultrasonic generator
14 Feb 23
An ultrasonic generator includes an ultrasonic wave source and a converging portion.
Takeshi Morita, Kang Chen, Takashi Iijima, Takasuke Irie
Filed: 1 Dec 20
Utility
Gas sensor element and gas sensor
24 Jan 23
Disclosed is a gas sensor element having: a solid electrolyte body containing oxygen-ion conductive ZrO2; a detection electrode disposed on the solid electrolyte body to be exposed to a gas under measurement; and a reference electrode disposed on the solid electrolyte body to be exposed to a reference gas.
Midori Matsumura, Hiroshi Isomura, Kazuki Yoshioka, Ryosuke Ota
Filed: 6 Mar 19
Utility
Method for producing semiconductor production device component, and semiconductor production device component
24 Jan 23
A first ceramic member and a second ceramic member are joined together at a lower joining temperature while reducing the loss of bond strength.
Kohei Mitsuya, Hideo Tange, Motoki Hotta, Takamichi Ogawa
Filed: 13 Jul 17
Utility
Optical wavelength conversion member and light-emitting device
24 Jan 23
One aspect of the disclosure provides an optical wavelength conversion member including a polycrystalline ceramic sintered body containing, as main components, Al2O3 crystal grains and crystal grains represented by formula (Y,A)3B5O12:Ce.
Shohei Takaku, Yusuke Katsu, Tsuneyuki Ito, Toshiaki Kurahashi, Hideto Yamada
Filed: 1 Jul 19