483 patents
Page 2 of 25
Utility
Complex Oxide Ceramic, Functional Material, and Article
10 Aug 23
Provided are a complex oxide ceramic having high antiviral activity, a functional material, and an article provided with the complex oxide ceramic and/or the functional material.
Akira NAKAJIMA, Takuro ITO, Sachiko MATSUSHITA, Toshihiro ISOBE, Kayano SUNADA
Filed: 14 Jul 21
Utility
Spark plug
1 Aug 23
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
Joined Body and Electrostatic Chuck
20 Jul 23
A joined body includes a first member, a second member, and a joining portion disposed therebetween and joining the first member and the second member.
Ryuichi ARAKAWA, Tomoo TANAKA, Osamu YOSHIMOTO
Filed: 11 Jun 21
Utility
Fluorescent Plate, Wavelength Conversion Member, and Light Source Device
13 Jul 23
A fluorescent plate including a fluorescent phase which emits fluorescence by excitation light, and a plurality of voids, wherein, in a cross section of the fluorescent plate including cross sections of the voids, voids having an equivalent circle diameter of 0.4 micrometers or greater and 50 micrometers or smaller have a standard deviation in equivalent circle diameter of 1.5 or less.
Shohei TAKAKU, Hiroki YAMAUCHI, Shinji BAN, Hiroki TAKEUCHI
Filed: 3 Jun 21
Utility
Lanthanum/molybdenum Composite Oxide, Antibacterial Sintered Compact, and Antiviral Sintered Compact
6 Jul 23
A lanthanum molybdenum composite oxide is provided.
Akira NAKAJIMA, Takumi MATSUMOTO, Mao SHOJI, Hisashi KOZUKA
Filed: 22 Jun 21
Utility
Fluorescent Plate, Wavelength Conversion Member, and Light Source Device
6 Jul 23
A fluorescent plate includes a fluorescent phase which emits fluorescence by excitation light, and a plurality of voids.
Hiroki YAMAUCHI, Shohei TAKAKU, Shinji BAN, Hiroki TAKEUCHI
Filed: 3 Jun 21
Utility
Fluorescent Plate, Wavelength Conversion Member, and Light Source Device
6 Jul 23
A fluorescent plate includes a fluorescent phase which emits fluorescence by excitation light, a light-transmitting phase which allows passage of the excitation light, and a plurality of voids surrounded by the fluorescent phase and the light-transmitting phase, wherein, in a cross section of the fluorescent plate including cross sections of the voids, an average ratio of a portion of the circumference of a void, which portion is in contact with the fluorescent phase to the entire circumference of the void, is higher than an area ratio of the area of the fluorescent phase present in the fluorescent plate to the total area of the fluorescent phase and the light-transmitting phase present in the fluorescent plate.
Shohei TAKAKU, Hiroki YAMAUCHI, Shinji BAN, Hiroki TAKEUCHI
Filed: 3 Jun 21
Utility
Wavelength conversion member, light source device, and method for manufacturing wavelength conversion member
4 Jul 23
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
Spark plug
4 Jul 23
A spark plug has an insulator having a through hole formed along an axial direction, a center electrode which is partially inserted into a portion of the through hole on a forward end side in the axial direction, and a glass seal portion which is in contact with the insulator and the center electrode within the through hole, in which the glass seal portion contains glass and an electrically conductive substance.
Seiji Nakano, Takehito Kuno, Kota Yamauchi
Filed: 4 Nov 21
Utility
Spark plug
4 Jul 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 Element and Gas Sensor
29 Jun 23
A gas sensor element (10) which includes an element body portion (100); a pump cell (110) which is configured to adjust a concentration of oxygen in a gas to be measured which is introduced into the element body portion (100); a detection chamber (160) which is formed inside the element body portion (100) and into which the gas to be measured in which the concentration of oxygen has been adjusted is introduced; and a layer-shaped cathode electrode (133) which is housed in the detection chamber (160) and configured to decompose NO.
Hitoshi FURUTA, Akinori KOJIMA, Kentaro KAMADA, Yosuke SUZUKI
Filed: 20 Dec 22
Utility
Wiring substrate and method of manufacturing the same
23 May 23
A wiring substrate includes a substrate body composed of a plurality of ceramic layers (insulating materials) and having a front surface and a back surface located on opposite sides thereof and having a side surface located between the front surface and the back surface.
Hirotake Fujii, Yutaka Kachi
Filed: 16 Dec 19
Utility
Package with built-in thermoelectric element
23 May 23
A thermoelectric element-containing package according to one aspect of the present disclosure includes a thermoelectric conversion module including: a first substrate having first and second main surfaces; a second substrate having third and fourth main surfaces; and a plurality of thermoelectric elements that are sandwiched between the first and second substrates and arranged along the second main surface and the third main surface.
Masahiro Ogawa, Tetsuya Kato, Takayuki Hachida
Filed: 14 Feb 18
Utility
Spark Plug
18 May 23
Spark plug has center electrode having leg portion extending in an axis direction, brim portion located at rear end side with respect to the leg portion and protruding outwards in a radial direction with respect to the leg portion and connecting portion connecting the leg portion and the brim portion; insulator having penetration hole and supporting the center electrode; and seal member filling the penetration hole and fixing the brim portion and the insulator.
Eiichi NAKAI, Masahiro NISHIDA, Shingo KOZUKA
Filed: 10 Sep 20
Utility
Calibration Liquid for Water Quality Measurement Device, Calibration-liquid-filled Container for Water Quality Measurement Device, and Calibration Method Using Calibration Liquid for Water Quality Measurement Device
18 May 23
A calibration liquid (1) is used for calibrating a water quality measurement device (100).
Shunsuke KAMEI, Keisuke TASHIMA, Norimasa OSAWA, Kazusei TAMAI, Junji KOJIMA, Yasukazu IWAMOTO, Hiroshi NAGAI
Filed: 27 Jan 21
Utility
Spark Plug
18 May 23
A spark plug has an insulator having a through hole formed along an axial direction, a center electrode which is partially inserted into a portion of the through hole on a forward end side in the axial direction, and a glass seal portion which is in contact with the insulator and the center electrode within the through hole, in which the glass seal portion contains glass and an electrically conductive substance.
Seiji NAKANO, Takehito KUNO, Kota YAMAUCHI
Filed: 4 Nov 21
Utility
Spark plug
16 May 23
To prevent a sealant from intruding between a flange and a stepped portion during manufacture of a spark plug and to prevent cracking of an insulator during use of the spark plug, a spark plug includes a center electrode including a flange, an insulator having a through-hole extending in an axial-line direction and holding the center electrode, and a sealant filled in the through-hole to fix the flange and the insulator to each other; the insulator including a stepped portion in which the through-hole reduces a diameter toward a front end side and that supports the flange, and a small-diameter portion that is continuous with a front end side of the stepped portion and in which the diameter of the through-hole is smaller than in the stepped portion; an angle θ1 formed by the stepped portion and a plane perpendicular to the axial line and an angle θ2 formed by the plane perpendicular to the axial line and an opposing surface of the flange opposing the stepped portion satisfies θ1−θ2≥6°, and in a cross section including the axial line, a maximum diameter D1 of the flange and a diameter D2 of the through-hole at a rear end of the small-diameter portion in the axial-line direction satisfy 0.15 mm≤(D1−D2)/2.
Seiji Nakano, Kengo Fujimura, Shota Takaenoki
Filed: 22 Dec 20
Utility
Spark Plug
11 May 23
A spark plug includes a metallic shell which holds a center electrode in an insulated condition, and a ground electrode is held in a penetration hole of the metallic shell.
Tatsuya GOZAWA
Filed: 16 Nov 20
Utility
Spark plug
25 Apr 23
The spark plug includes: an insulator having an axial hole extending in an axial direction; a center electrode disposed at a front end in the axial direction of the axial hole and having a front end portion that protrudes from a front side of the axial hole; a tubular metal shell holding the insulator; and a ground electrode having one end portion that is fixed to a through hole provided in the metal shell, the ground electrode having another end portion that forms a discharge gap between the other end portion and the front end portion of the center electrode.
Daisuke Mishima
Filed: 21 May 21
Utility
Gas Sensor
20 Apr 23
A gas sensor (1) including: a sensor element (21) having a detection section (22) through an element introduction hole (25); a metallic shell (11); and a single-wall tubular protector (51) having a gas introduction hole (56) and a gas discharge hole (53); a gap G is present between the gas introduction hole and a forwardly facing surface (12a) of the metallic shell; when the gas introduction hole is viewed toward the rear end side, an area Sh of a portion of the forwardly facing surface seen through the gas introduction hole, is equal to or greater than ½ of an opening area Sg of the gas introduction hole; the element introduction hole is located on the forward end side in relation to a forwardmost end (12f) of the forwardly facing surface; and a distance L1 of the gap G is smaller than a diameter D of the gas introduction hole.
Kunihiko YONEZU, Yuji SHIMAZAKI, Masayuki YOSHIDA
Filed: 22 Apr 21