483 patents
Page 14 of 25
Utility
Spark plug
14 Dec 20
A spark plug that can suppress pre-ignition of a combustible air-fuel mixture that has flowed into the sub-chamber.
Tatsuya Gozawa, Kenji Ban
Filed: 25 Feb 20
Utility
Spark plug
14 Dec 20
Disclosed is a spark plug in which a first electrode has a tip joined to an electrode base through a fusion zone.
Ryouki Yagi, Masahiro Inoue
Filed: 14 May 17
Utility
Gas sensor
7 Dec 20
Disclosed is a gas sensor for detecting hydrogen gas in a measurement gas atmosphere, including: a first installation part defining a first inner space in communication with the measurement gas atmosphere through a solid electrolyte membrane member; a second installation part defining a second inner space in direct communication with the measurement gas atmosphere; first and second sensor elements respectively installed in the first and second inner spaces; and a calculation unit configured to calculate the concentration of the hydrogen gas according to a potential between the first and second sensor elements.
Masahiro Yamashita, Shoji Kitanoya, Masaya Watanabe, Yusuke Matsukura, Daisuke Ichikawa
Filed: 5 Sep 18
Utility
Gas sensor
30 Nov 20
A gas sensor for detecting the concentration of a detection target gas in an atmosphere of interest is disposed on an electrically insulating member.
Tetsuo Yamada, Hitoshi Furuta
Filed: 20 May 19
Utility
Spark plug with a plug cover for improving fuel economy
23 Nov 20
A spark plug includes: a center electrode; a ground electrode that is provided such that a gap for spark discharge is formed between the center electrode and the ground electrode; and a plug cover covering the center electrode and the ground electrode to form an auxiliary chamber.
Tatsuya Gozawa, Daiki Goto
Filed: 6 May 20
Utility
Processing apparatus, method for manufacturing molded product, and method for manufacturing spark plug electrode
23 Nov 20
A processing apparatus for processing a workpiece by transferring the workpiece between a ram and a die block.
Satoru Ochiai
Filed: 8 Nov 17
Utility
Electrode embedded member
23 Nov 20
An electrode embedded member includes a plate-shaped substrate made of a ceramic; an inner electrode embedded in the substrate; a terminal disposed at a position that overlaps the inner electrode in a thickness direction of the substrate and is farther than the inner electrode from the front surface of the substrate; an intermediate insulator embedded in the substrate between the inner electrode and the terminal and that is made of a ceramic; and a connection electrode disposed along an outer surface of the intermediate insulator and that connects the terminal and the inner electrode.
Atsushi Tsuchida, Noriaki Tokusho
Filed: 28 Oct 18
Utility
Wiring board and manufacturing method thereof
23 Nov 20
Disclosed is a wiring board including: an insulating substrate; a plurality of connection terminals arranged on the insulating substrate; and a plurality of non-conductive protruding parts respectively arranged on areas of the insulating substrate except areas on which the plurality of connection terminals are arranged.
Takahiro Hayashi, Tomoaki Mizutani
Filed: 3 Mar 20
Utility
Method for Manufacturing Spark Plug
18 Nov 20
The present invention provides a method of manufacturing a spark plug which is capable of securing a bonding strength at the middle of a chip while suppressing an occurrence of scattering.
Shunsuke Maki
Filed: 29 May 18
Utility
Gas Sensor Element and Gas Sensor
18 Nov 20
Provided are a gas sensor element which is not prone to decreased precision of gas detection due to a decrease in temperature of a gas to be measured, and a gas sensor.
Mika TANGE, Keisuke NAKAGAWA, Takashi NAKAO, Shigehiro OHTSUKA
Filed: 11 Sep 18
Utility
Holding apparatus
16 Nov 20
A ceramic heater includes a plate-shaped base with an upper surface and a lower surface, a tubular shaft with an upper end surface connected to the lower surface of the base and a lower end surface, resistive heating elements embedded in the base, a first hole extending in the base along the upper surface of the base, and a second hole extending from the lower end surface or an inner surface of the shaft toward the upper end surface.
Tetsuo Kitabayashi, Makoto Hino
Filed: 5 Sep 17
Utility
Substrate holding device, substrate holding member, and substrate holding method
16 Nov 20
Provided are a substrate holding device and a substrate holding method that enhance the precision of the shape of a substrate while holding the substrate.
Tomohiro Ishino, Shinya Kikuchi
Filed: 14 Dec 16
Utility
Spark Plug
11 Nov 20
A spark plug includes: a center electrode; a ground electrode that is provided such that a gap for spark discharge is formed between the center electrode and the ground electrode; and a plug cover covering the center electrode and the ground electrode to form an auxiliary chamber.
Tatsuya Gozawa, Daiki Goto
Filed: 6 May 20
Utility
Spark Plug
11 Nov 20
A spark plug wherein the occurrence of cracks at a joint portion between a cover portion and a metal shell in the spark plug is prevented.
Tatsuya GOZAWA
Filed: 30 Mar 20
Utility
Spark Plug
11 Nov 20
A spark plug includes: a center electrode; a ground electrode that is provided such that a gap for spark discharge is formed between the center electrode and the ground electrode; and a plug cover covering the center electrode and the ground electrode from a front side to form an auxiliary chamber, the plug cover being provided with a through hole, wherein 60% or more of the auxiliary chamber is present in a sphere.
Tatsuya Gozawa
Filed: 6 May 20
Utility
Method for manufacturing cylindrical body having different diameters by cold forging
9 Nov 20
A multi-diameter tubular body is cold-forged by forming a large-diameter hole portion in a formed body having a preliminary hole through subjection of the preliminary hole to deep hole forming and by punching out the bottom surface of the large-diameter hole portion to thereby form a small-diameter hole portion.
Satoru Ochiai
Filed: 11 Oct 16
Utility
Spark plug
9 Nov 20
A spark plug having excellent ignitability including a rod-shaped center electrode; a ground electrode that includes a facing portion facing a front end portion of the center electrode and forms a discharge gap between the facing portion and the front end portion of the center electrode; an insulator; a metal shell; and a cover portion that covers, from a front end side of the spark plug, the front end portion of the center electrode and the facing portion of the ground electrode to form a pre-chamber and includes injection holes that are through holes.
Tatsuya Gozawa, Kenji Ban, Daiki Goto
Filed: 9 Mar 20
Utility
Wiring board
9 Nov 20
A wiring board includes: a ceramic board including a ceramic insulator layer composed mainly of ceramic, and a wiring disposed at the ceramic insulator layer; a first resin board and a second resin board each of which includes a resin insulator layer composed mainly of resin, and a wiring disposed at the resin insulator layer; and a metal member mounted to the second resin board.
Takakuni Nasu, Yousuke Kondou, Masaomi Hattori, Kouta Kimata, Atsushi Kaga, Guangzhu Jin
Filed: 25 Jul 19
Utility
Wiring board
9 Nov 20
A wiring board includes: an insulator layer composed mainly of ceramic; a conductor extending through the insulator layer in a thickness direction thereof; and an electrode pad disposed on a first surface of the insulator layer and connected electrically with the conductor, wherein: the electrode pad includes through holes extending through the electrode pad in a thickness direction thereof; and each of the through holes is positioned to avoid overlapping with the conductor in the thickness direction of the insulator layer.
Takakuni Nasu, Kengo Tanimori, Yousuke Kondo, Masahiro Kamegai, Kouta Kimata, Junya Matsura, Fumio Shiraki, Guangzhu Jin
Filed: 26 Sep 19
Utility
Sensor control device and gas detection system
9 Nov 20
In a sensor control device which controls a sensor, a first filter unit extracts a first filtered signal obtained by attenuating a frequency component higher than a first cutoff frequency from a digital signal indicating a current-application control value for a pump current, and a second filter unit extracts a second filtered signal obtained by attenuating a frequency component higher than a second cutoff frequency from the first filtered signal.
Junichiro Mitsuno, Satoru Abe, Chihiro Tomimatsu, Hidetoshi Makino
Filed: 15 May 18