483 patents
Page 6 of 25
Utility
Silicon nitride-based sintered body and cutting insert
21 Jun 22
A silicon nitride-based sintered body containing silicon nitride-based grains, which are silicon nitride grains or sialon grains.
Hiroko Nakayama, Atsushi Komura
Filed: 30 Mar 17
Utility
Sensor Element, Gas Sensor, and Method for Manufacturing Sensor Element
16 Jun 22
A sensor element including a first ceramic layer (105), and a measurement electrode (110a) and a reference electrode (108a) disposed thereon, further comprising a through hole (105a) formed in the first ceramic layer, a through hole conductor (121c), a reference lead (108b) connected to the reference electrode and connected to the through hole conductor, and a second ceramic layer (103) disposed to face the first ceramic layer, the sensor element further including a gas flow chamber (130) provided between the first and second ceramic layers, and facing the through hole and being in communication with the reference lead, and a gas flow passage (170) open to a second region (100s) of an outer surface of the sensor element, thereby establishing communication between the gas flow chamber and an outside atmosphere.
Hitoshi FURUTA, Akinori KOJIMA
Filed: 28 Sep 20
Utility
Gas sensor
14 Jun 22
A gas sensor (1) has a sensor element (21) extending in an axis direction and having, at a top end side thereof, a detecting portion (22) that detects gas; a stainless steel-made tubular metal shell (11) enclosing a radial direction periphery of the sensor element (21) and holding the sensor element (21) and having (a) a brim portion (14) protruding outwards in a radial direction and (b) a crimp portion (16) formed at a rear end side of the metal shell (11); and a sealing member (41) placed between the sensor element (21) and the metal shell (11).
Kensuke Mizutani, Daisuke Miyata, Kengo Simizu, Naoyuki Sugihara, Yasuhiro Fujii
Filed: 24 Jan 19
Utility
Spark Plug
26 May 22
A spark plug that can reduce variation in a discharge point.
Takashi SEKIZAWA, Tomokatsu KASHIMA, Yuya ONO, Yuki TOUMATSU, Yudai KAWAGUCHI, Kazuyoshi TORII
Filed: 17 Nov 19
Utility
Aluminum nitride sintered body, method of making the same, and semiconductor manufacturing equipment component using aluminum nitride sintered body
10 May 22
An aluminum nitride sintered body for use in a semiconductor manufacturing apparatus is provided.
Noriyuki Naruse
Filed: 17 Jul 20
Utility
Spark plug
3 May 22
A spark plug is provided with a center electrode and a ground electrode.
Ryo Hioki
Filed: 23 Jul 21
Utility
Gas sensor and method of manufacturing the same
26 Apr 22
A gas sensor (1) including a sensor element (10) and a separator (90) having an element hole (90 h), as viewed from one of a forward-end or a rear-end side in the axial direction.
Sunchao Liu, Takehiro Oba
Filed: 25 Jun 20
Utility
Optical wavelength converter and composite optical device
26 Apr 22
An optical wavelength converter (1) is configured such that an optical wavelength conversion member (9) is bonded to a heat dissipation member (13) having superior heat dissipation property.
Syohei Takaku, Yusuke Katsu, Tsuneyuki Ito, Yuki Shimura, Shinji Ban, Takeshi Mitsuoka
Filed: 10 Sep 18
Utility
Immunoglobulin Purification Method and Immunoglobulin Purification Device, and Immunoglobulin Production Method and Immunoglobulin Production Device
21 Apr 22
To provide an immunoglobulin purification method which achieves a high immunoglobulin recovery percentage without causing loss of the antibody nature of an immunoglobulin.
Katsuya KATO, Fukue NAGATA, Shinjiro KASAHARA, Yuki HIROBE, Jun OTSUKA
Filed: 17 Jan 20
Utility
Ceramic package
19 Apr 22
Disclosed is a ceramic package for filling with a liquid-containing electrolyte, which includes: a package body defining a recessed cavity open at a front surface of the package body and including first and second ceramic layers stacked together; a plurality of electrode pads disposed on a bottom surface of the recessed cavity; and a plurality of outer connection terminals disposed on a back surface of the package body, wherein each of the electrode pads includes a pad body portion having a polygonal shape in plan view and an interlayer pad portion formed along an interlayer surface between the first and second ceramic layers, wherein the interlayer pad portion has a protruding part protruding outwardly from the pad body portion, and wherein via conductors are formed between the protruding parts of the electrode pads and the outer connection terminals through the first ceramic layer.
Takayuki Miyaji
Filed: 22 Oct 19
Utility
Spark plug and method for manufacturing spark plug
19 Apr 22
A spark plug including an insulator and a metallic member such as a metallic shell.
Junji Kimura
Filed: 18 Aug 21
Utility
Electrode-embedded Member and Method for Manufacturing Same, Electrostatic Chuck, and Ceramic Heater
31 Mar 22
An electrode-embedded member 1 includes a ceramic-made substrate 2, an electrode 3, a connection member 4 containing at least one of tungsten and molybdenum and embedded in the substrate 2 in a state in which a first principal surface 4a faces the electrode 3 and is electrically connected to the electrode 3, and a hole portion 5 extending from an outer surface of the substrate 2 to a second principal surface 4b of the connection member 4.
Masaki YABUHANA
Filed: 19 Mar 20
Utility
Optical wavelength conversion device
29 Mar 22
An optical wavelength conversion device includes an optical wavelength conversion member configured to convert the wavelength of incident light; a heat dissipation member which is more excellent in heat dissipation than the optical wavelength conversion member; and a joint portion which joins the optical wavelength conversion member and the heat dissipation member together.
Shohei Takaku, Yosuke Yatsuya, Yusuke Katsu, Tomoo Tanaka
Filed: 31 Oct 18
Utility
Kitchen Knife and Blade
24 Mar 22
A kitchen knife (1) includes a blade (3).
Yusuke KATSU, Kuniharu TANAKA, Takeshi MITSUOKA
Filed: 2 Jul 20
Utility
Porous Zirconia Particles, and Aggregate for Immobilizing Protein
24 Mar 22
Porous zirconia particles exhibit high specificity to a protein to be immobilized thereto and are used in immobilization of the protein.
Katsuya KATO, Fukue NAGATA, Shinjiro KASAHARA, Jun OTSUKA, Yuki HIROBE
Filed: 17 Jan 20
Utility
Spark Plug
24 Mar 22
A spark plug 100 of the present disclosure includes a center electrode 20; a metallic member provided to form a tubular shape around an axis AX of the spark plug, holding the center electrode 20 therein in an insulated state, and having a hole 55 formed in a side wall thereof and extending in a radial direction; and a ground electrode 30 supported in the hole 55 and extending from the hole 55 toward the axis AX.
Koichiro SAITO, Susumu IMAI
Filed: 1 Oct 20
Utility
Vacuum suction member and vacuum suction method
22 Mar 22
Tomohiro Ishino, Shinya Kikuchi
Filed: 6 Feb 17
Utility
Gas Sensor Element and Gas Sensor
10 Mar 22
A gas sensor element includes a solid electrolyte body, a first electrode, a second electrode, and a protective layer.
Kazuma ITO, Takanori ISHIKAWA, Hiroshi ISOMURA
Filed: 12 Jul 19
Utility
Spark Plug
10 Mar 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
Light-emitting Apparatus and Light-emitting Element Housing
10 Mar 22
A multilayer wiring substrate includes a first wiring substrate including a plurality of stacked layers made of a thermo setting resin and having a wiring layer formed between each adjacent layer of the layers in a state in contact with the adjacent layers, a second wiring substrate made of a ceramic, and a joining layer disposed between a back surface of the first wiring substrate and a front surface of the second wiring substrate and configured to join the first wiring substrate and the second wiring substrate to each other, wherein at least a surface of the joining layer adjacent to the second wiring substrate is made of a thermo plastic resin.
Shingo TOTANI
Filed: 1 Sep 21