262 patents
Page 3 of 14
Utility
Spark plug
27 Sep 22
A spark plug including a center electrode; a metallic member forming a tubular shape around an axis of the spark plug, holding the center electrode therein, and having a hole formed in a side wall thereof and extending in a radial direction; and a ground electrode supported in the hole and extending from the hole toward the axis.
Koichiro Saito, Susumu Imai
Filed: 1 Oct 20
Utility
Gas sensor
30 Aug 22
A gas sensor (1) including a first gas detection element (2) and a second gas detection element (3), a first storage portion (4) having a first internal space (4A), and a first opening (4B) establishing communication between the first internal space (4A) and the outside space thereof exposed to a detection subject atmosphere, a second storage portion (5) having a second internal space (5A) and a second opening (5B) establishing communication between the second internal space (5A) and the outside space, a first membrane (4C) allowing permeation of water vapor and substantially not allowing permeation of a detection target gas, and covering the first opening (4B), and a calculation unit (12) for calculating the concentration of a detection target gas contained in the detection subject atmosphere, based on outputs from the first and second gas detection elements (2, 3), respectively.
Yusuke Matsukura, Shoji Kitanoya, Masaya Watanabe, Daisuke Ichikawa
Filed: 22 Jan 20
Utility
Spark plug
30 Aug 22
A spark plug includes a metal shell and a cap member joined to the metal shell to define a pre-chamber.
Kenji Ban, Tatsuya Gozawa
Filed: 23 Jun 20
Utility
Temperature control apparatus, temperature control method, gas sensor, method of manufacturing gas sensor, and temperature control system for gas sensor
23 Aug 22
A gas sensor including a detection element section (71) including a solid electrolyte body and a pair of electrodes disposed on the solid electrolyte body, and a heater (73) for heating the detection element section (71).
Kentaro Kamada, Hitoshi Furuta
Filed: 19 Jun 19
Utility
Spark plug with insulator with particular shape
23 Aug 22
A spark plug including a center electrode that has a large-diameter portion having an outside diameter that is largest in the center electrode.
Yusuke Tanahashi, Naoki Nishio, Yusuke Kawashima
Filed: 19 Mar 20
Utility
Spark plug
23 Aug 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
Utility
Wiring board
9 Aug 22
A wiring board has a metal-made base having a front surface and a back surface, an insulating frame body bonded to the front surface of the base through a bonding layer made of bonding material, a seating provided in an area that is located at an inner side with respect to the frame body on the front surface of the base, a mounting area where a component is supposed to be mounted on the front surface of the base, and a groove formed on the front surface of the base.
Yosuke Imoto, Shinichiro Haneishi, Kenji Suzuki, Norihiko Kawai, Naoki Kito
Filed: 26 Sep 19
Utility
Wiring board and method for manufacturing same
26 Jul 22
A wiring board and a method for manufacturing the wiring board in which an initial Cu plated layer is formed by plating so as to cover the surface of a metallized layer and then the initial Cu plated layer is heated to be softened or melted.
Toshio Suzuki, Masami Kanayama, Akiyoshi Hattori, Masanori Kito
Filed: 19 Jul 17
Utility
Gas sensor control apparatus, gas sensor apparatus, and internal combustion engine control apparatus
19 Jul 22
A gas sensor control apparatus (300) including a control section (61) which executes a first receiving process (STEP 1) for receiving a first detection result output from a mixed-potential-type ammonia detection section (42) for detecting ammonia contained in a gas under measurement and corresponding to the concentration of ammonia, a second receiving process (STEP 1) for receiving a second detection result output from an oxygen detection section (2) for detecting oxygen contained in the gas under measurement and corresponding to the concentration of oxygen, a first concentration calculation process (STEP 3) for calculating a first ammonia concentration of the gas under measurement based on the first detection result and the second detection result, and a pressure correction process (STEP 6) for correcting the first ammonia concentration based on pressure information obtained from an external device (220), thereby obtaining a second ammonia concentration of the gas under measurement.
Yoshihiro Nakano, Kimihiro Kohama
Filed: 10 Sep 20
Utility
Sensor element and gas sensor
12 Jul 22
A sensor element includes: three electrode pads provided on the first main surface, and electrically connected to a connection terminal, the three electrode pads including; a pad group including two electrode pads which are arranged in a widthwise direction of the sensor element, and a single pad which is not overlapped with the pad group when viewed in a widthwise direction, the single pad including a main body portion which has a width greater than a clearance between the two electrode pads of the pad group, which is electrically connected to the connection terminal, and a connection portion which is connected to a conductor formed within a through hole extending within the sensor element in a thickness direction, and which is adjacent to a side surface of the main body portion.
Hitoshi Furuta, Akinori Kojima
Filed: 2 May 19
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
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
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
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
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
Vacuum suction member and vacuum suction method
22 Mar 22
Tomohiro Ishino, Shinya Kikuchi
Filed: 6 Feb 17