Patents Assigned to CITIZEN FINEDEVICE CO., LTD.
  • Publication number: 20190019661
    Abstract: A sample mounting plate which is used for mass spectrometry according to MALDI process and which is provided with at least one sample loading spot for mounting a sample on a substrate, wherein: a hydrophilic surface produced by a first hydrophilic film is formed within the sample loading spot on a surface of the substrate provided with the sample loading spot; a hydrophobic surface produced by a hydrophobic film is formed on the outside of the hydrophilic surface; and a boundary part, in which a hydrophilic member or a second hydrophilic film having a higher hydrophilicity than the first hydrophilic film is exposed, is formed at the boundary between the hydrophilic surface and the hydrophobic surface.
    Type: Application
    Filed: September 17, 2018
    Publication date: January 17, 2019
    Applicants: CITIZEN FINEDEVICE CO., LTD., CITIZEN WATCH CO., LTD.
    Inventors: Kazuhiro Toriumi, Tomoki Kuratomi
  • Publication number: 20180245237
    Abstract: A method of production of a high insulation resistance, high strength langatate-based single crystal and a langatate-based single crystal are provided. That is, a method of production of a langatate-based single crystal using the Czochralski method of pulling up a crystal from a starting material solution so as to grow a langatate-based single crystal, comprising placing the starting material solution of the single crystal in a platinum crucible and growing the single crystal using the Z-axis as the growth axis in a growth atmosphere of a mixed gas comprising an inert gas in which an oxidizing gas is contained in an amount greater than 5 vol %.
    Type: Application
    Filed: August 18, 2016
    Publication date: August 30, 2018
    Applicants: CITIZEN FINEDEVICE CO., LTD., CITIZEN WATCH CO., LTD.
    Inventors: Ikuo TAKAHASHI, Takayuki AOKI, Youichi NONOGAKI, Yoshitaka KINOSHITA
  • Patent number: 10054509
    Abstract: There is provided a pressure detection device (10) including: a pressure detection element (21) which receives pressure (P) so as to output a detection signal (Qi) corresponding to the pressure (P); and a processing circuit (30) which processes and outputs the detection signal (Qi) output from the pressure detection element (21), where on a circuit board (40) on which a conductor pattern is formed, an integrated circuit (IC1) including an analog circuit which uses a reference voltage (Vr) set to a predetermined voltage value as an operation reference and converts the detection signal (Qi) into a voltage waveform is mounted, and the processing circuit (30) includes an input circuit 50 which feeds the detection signal (Qi) to the integrated circuit (IC1) and a shield pattern (SHP1) which surrounds the region of at least a part of the input circuit (50) and to which the reference voltage (Vr) is applied.
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: August 21, 2018
    Assignees: CITIZEN FINEDEVICE CO., LTD., CITIZEN WATCH CO., LTD.
    Inventors: Rikoku Nakamura, Masanori Yomoyama, Hitoshi Satsuta
  • Patent number: 9945750
    Abstract: A processing circuit is provided which includes at least an integrator circuit which uses a reference voltage set to have a predetermined magnitude as an operation reference and which integrates a detection signal so as to convert the detection signal into a voltage waveform and a base voltage adjustment circuit which is connected between an input terminal and an output terminal of the integrator circuit and which adjusts the magnitude of a base voltage that is a potential when the detection signal in an output signal output from the integrator circuit is not present.
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: April 17, 2018
    Assignees: CITIZEN FINEDEVICE CO., LTD., CITIZEN HOLDINGS CO., LTD.
    Inventors: Rikoku Nakamura, Masanori Yomoyama, Hitoshi Satsuta
  • Publication number: 20180087993
    Abstract: A pressure detection device includes: a cylindrical body made of a conductor; a pressure receiver made of a conductor, the pressure receiver being mounted to one end side of the body and receiving pressure from the outside; a signal generator arranged inside the body, the signal generator being electrically connected to the pressure receiver and generating a signal corresponding to the pressure received by the pressure receiver; and a cover made of an insulator with a lower thermal conductivity than thermal conductivities of the body and the pressure receiver, the cover continuously covering an outer surface of the pressure receiver and a portion of an outer surface of the body, the portion being located at a side closer to the pressure receiver.
    Type: Application
    Filed: September 21, 2017
    Publication date: March 29, 2018
    Applicants: CITIZEN FINEDEVICE CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA, CITIZEN WATCH CO., LTD.
    Inventors: Yusuke SATOH, Kazuo TAKAHASHI, Aki SUDO, Keisuke SASAKI, Masakatsu NAGAI
  • Publication number: 20180058968
    Abstract: A combustion pressure sensor mounted to a functional component attached to a combustion chamber of an internal combustion engine is provided, wherein a pressure receiving member and a pressure detection element are supported by a housing, the pressure receiving member being a pressure receiving surface for receiving a combustion pressure, the pressure detection element detecting a pressure from the pressure receiving surface, the mounting of the combustion pressure sensor to the functional component is performed by joining the functional component and a connecting member provided to at least one of the pressure receiving member and the housing, and the connecting member is composed of a joint portion and a distortion buffer portion, the joint portion being joined with the functional component, the distortion buffer portion reducing influence of distortion occurring in the joint portion on the pressure receiving member or the housing.
    Type: Application
    Filed: March 2, 2016
    Publication date: March 1, 2018
    Applicants: CITIZEN FINEDEVICE CO., LTD., CITIZEN WATCH CO., LTD.
    Inventors: Kazuo TAKAHASHI, Takashi IWASHITA
  • Patent number: 9841356
    Abstract: A combustion pressure sensor is formed of a ring-shaped cylindrical body. The combustion pressure sensor detects combustion pressure in a combustion chamber of an engine by being attached to an outer periphery of a tip of a functional component attached to the combustion chamber. The cylindrical body forms sealed space sealed with a ring-shaped diaphragm on one side and with a ring-shaped support member on an opposite side. The sealed space is defined by an external cylindrical member and an internal cylindrical member coaxial with each other. The diaphragm has a ring-shaped pressure receiving part formed on a side near the combustion chamber to receive pressure from outside and a ring-shaped transmitting part formed on a rear surface of the diaphragm. A pressure transmitting member and a pressure detecting element are provided in the sealed space.
    Type: Grant
    Filed: August 27, 2013
    Date of Patent: December 12, 2017
    Assignees: CITIZEN FINEDEVICE CO., LTD., CITIZEN WATCH CO., LTD.
    Inventors: Kazuo Takahashi, Takayuki Hayashi
  • Patent number: 9835523
    Abstract: A combustion pressure detection device for detecting combustion pressure inside a combustion chamber of an internal combustion engine, the combustion pressure detection device being attachable to a communication hole communicating an inside of a cylinder head configuring the combustion chamber and an outside thereof, the combustion pressure detection device includes: a housing; and an piezoelectric element and the like that are located in the housing and detect the combustion pressure. The housing has an attachment structural part attachable to the communication hole, the attachment structural part has a third outer peripheral surface to which a first seal member is attachable, and a inclined surface to which a second seal member is attachable, and the inclined surface is arranged at a front end side in a direction to the combustion chamber relative to the third outer peripheral surface when the combustion pressure detection device is attached to the communication hole.
    Type: Grant
    Filed: February 27, 2013
    Date of Patent: December 5, 2017
    Assignees: CITIZEN FINEDEVICE CO., LTD, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Tsuyoshi Misaizu, Kazuo Takahashi, Yoshihiko Soga, Hiromichi Yasuda
  • Patent number: 9799501
    Abstract: A sample mounting plate has: a substrate made of alumina ceramic which exhibits white; and a cover layer which is laminated so as to cover the front surface of the substrate and which has multiple grooves formed in some areas. The cover layer has: a conductive interference layer which exhibits conductivity and is configured so as to exhibit a prescribed color (such as navy blue) through light interference and which is laminated on the substrate; and a water-repellent layer which exhibits higher water repellency than that of the substrate and is laminated on at least a part of the conductive interference layer and on which a sample is to be mounted.
    Type: Grant
    Filed: July 24, 2014
    Date of Patent: October 24, 2017
    Assignees: CITIZEN FINEDEVICE CO., LTD., CITIZEN WATCH CO., LTD.
    Inventors: Kazuhiro Toriumi, Mitsunori Miyamoto, Kenji Shimizu
  • Publication number: 20170153161
    Abstract: There is provided a pressure detection device including: a pressure detection element which receives pressure so as to output a detection signal corresponding to the pressure P; and a processing circuit which processes and outputs the detection signal output from the pressure detection element, where the processing circuit includes: a voltage transformation circuit which only transforms a power supply voltage fed from an external power supply so as to obtain a first reference voltage with a predetermined voltage value; an integrator circuit which uses the first reference voltage as an operation reference to perform integral processing on the detection signal so as to convert the detection signal into a voltage waveform; and at least one or more amplifier circuits which use a second reference voltage with a predetermined voltage value as an operation reference to perform amplification processing on an output signal from the integrator circuit.
    Type: Application
    Filed: March 25, 2015
    Publication date: June 1, 2017
    Applicants: CITIZEN FINEDEVICE CO., LTD., CITIZEN HOLDINGS CO., LTD.
    Inventor: Masanori YOMOYAMA
  • Publication number: 20170146421
    Abstract: There is provided a pressure detection device (10) including: a pressure detection element (21) which receives pressure (P) so as to output a detection signal (Qi) corresponding to the pressure (P); and a processing circuit (30) which processes and outputs the detection signal (Qi) output from the pressure detection element (21), where on a circuit board (40) on which a conductor pattern is formed, an integrated circuit (IC1) including an analog circuit which uses a reference voltage (Vr) set to a predetermined voltage value as an operation reference and converts the detection signal (Qi) into a voltage waveform is mounted, and the processing circuit (30) includes an input circuit 50 which feeds the detection signal (Qi) to the integrated circuit (IC1) and a shield pattern (SHP1) which surrounds the region of at least a part of the input circuit (50) and to which the reference voltage (Vr) is applied.
    Type: Application
    Filed: March 25, 2015
    Publication date: May 25, 2017
    Applicants: CITIZEN FINEDEVICE CO., LTD., CITIZEN HOLDINGS CO., LTD.
    Inventors: Rikoku NAKAMURA, Masanori YOMOYAMA, Hitoshi SATSUTA
  • Publication number: 20170138810
    Abstract: A disconnection detection circuit includes: a pull-up resistor to which the detection signal is fed and which connects a signal line connected to the wiring cable to a power supply or a pull-down resistor which connects the signal line to a GND; and a voltage clip circuit 105 which includes a high-voltage clip circuit which is connected between the signal line and the power supply and which clips the voltage of the signal line to the maximum specified voltage and a low-voltage clip circuit which is connected between the signal line and the GND and which clips the voltage of the signal line to the minimum specified voltage.
    Type: Application
    Filed: March 25, 2015
    Publication date: May 18, 2017
    Applicants: CITIZEN FINEDEVICE CO., LTD., CITIZEN HOLDINGS CO.,LTD.
    Inventors: Rikoku NAKAMURA, Masanori YOMOYAMA, Tetsuya AIBA, Yuta KANAMORI
  • Publication number: 20170131170
    Abstract: A processing circuit is provided which includes at least an integrator circuit which uses a reference voltage set to have a predetermined magnitude as an operation reference and which integrates a detection signal so as to convert the detection signal into a voltage waveform and a base voltage adjustment circuit which is connected between an input terminal and an output terminal of the integrator circuit and which adjusts the magnitude of a base voltage that is a potential when the detection signal in an output signal output from the integrator circuit is not present.
    Type: Application
    Filed: March 25, 2015
    Publication date: May 11, 2017
    Applicants: CITIZEN FINEDEVICE CO., LTD., CITIZEN HOLDINGS CO., LTD.
    Inventors: Rikoku NAKAMURA, Masanori YOMOYAMA, Hitoshi SATSUTA
  • Publication number: 20170130650
    Abstract: When a combustion pressure sensor is formed that includes at least: a case member which has a joint surface on the side of a tip end and in which an opening portion is provided; a joint surface which is brought into planar contact with the joint surface of the case member so as to block the opening portion; a pressure reception member on which a combustion pressure acts; a welding portion in which the joint surfaces are joined to each other; and a piezoelectric element which is stored in the case member and converts a pressing force based on the combustion pressure transmitted from the pressure reception member into a signal, on the side of one edge side in at least the one joint surface, the one joint surface is limited to a given depth of welding from the other edge side, a predetermined clearance portion is provided so as to form a predetermined gap with the opposite other joint surface and a welding portion is provided which includes at least all the limited joint surface from the other edge side in the o
    Type: Application
    Filed: March 25, 2015
    Publication date: May 11, 2017
    Applicants: CITIZEN FINEDEVICE CO., LTD., CITIZEN HOLDINGS CO., LTD.
    Inventors: Kazuo TAKAHASHI, Yoshihiko SOGA
  • Patent number: 9562191
    Abstract: Liquid crystal compositions comprising a crude liquid crystal sample containing ions and polyamide particles are disclosed. Upon separation of the polyamide particles from the crude liquid crystal sample, a purified liquid crystal sample is produced, which shows a 1-2× reduction in ion concentration. Methods for carrying out purification processes are also disclosed.
    Type: Grant
    Filed: April 1, 2015
    Date of Patent: February 7, 2017
    Assignee: CITIZEN FINEDEVICE CO., LTD.
    Inventor: Cory S. Pecinovsky
  • Publication number: 20160222892
    Abstract: An in-cylinder pressure detecting apparatus for detecting a pressure in a combustion chamber of an internal combustion engine is provided. The in-cylinder pressure detecting apparatus comprises a pressure detecting element mounted on a tip-portion of a fuel injection device which injects fuel into the combustion chamber, and an amplifying circuit unit having an amplifying circuit which amplifies a signal output from the pressure detecting element and outputs a pressure detection signal. An in-cylinder pressure detecting unit integrated fuel injection device is configured by integrating an in-cylinder pressure detecting unit with the fuel injection device. The in-cylinder pressure detecting unit includes the pressure detecting element, the amplifying circuit unit, and a connecting member connecting the pressure detecting element with the amplifying circuit unit. The in-cylinder pressure detecting unit integrated fuel injection device is mounted on the internal combustion engine.
    Type: Application
    Filed: March 26, 2015
    Publication date: August 4, 2016
    Applicants: HONDA MOTOR CO., LTD., CITIZEN FINEDEVICE CO., LTD., CITIZEN HOLDINGS CO., LTD.
    Inventors: Shusuke AKAZAKI, Masanori YOMOYAMA, Tetsuya AIBA, Kazuo TAKAHASHI, Takayuki HAYASHI
  • Patent number: 9222424
    Abstract: An internal combustion engine fitted with a combustion pressure detection device includes: an internal combustion engine having a combustion chamber, a pressure detection device having a housing, a diaphragm, and a detection member, and having a shoulder part. The diaphragm is provided on the front end side of the housing and the detection member arranged inside the housing and behind the diaphragm, allowing it to detect the pressure working via the diaphragm. Also provided is a second seal member in a ring shape that seals the opening in the combustion chamber and the housing in the shoulder part of the housing in the pressure detection device.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: December 29, 2015
    Assignees: CITIZEN FINEDEVICE CO., LTD., CITIZEN HOLDINGS CO., LTD.
    Inventors: Kazuo Takahashi, Yoshihiko Soga, Tsuyoshi Misaizu
  • Patent number: 9175620
    Abstract: An internal combustion engine fitted with a combustion pressure detection device includes: an internal combustion engine having a combustion chamber, a pressure detection device having a housing, a diaphragm, and a detection member, and having a shoulder part. The diaphragm is provided on the front end side of the housing and the detection member arranged inside the housing and behind the diaphragm, allowing it to detect the pressure working via the diaphragm. Also provided is a second seal member in a ring shape that seals the opening in the combustion chamber and the housing in the shoulder part of the housing in the pressure detection device.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: November 3, 2015
    Assignees: CITIZEN FINEDEVICE CO., LTD., CITIZEN HOLDINGS CO., LTD.
    Inventors: Kazuo Takahashi, Yoshihiko Soga, Tsuyoshi Misaizu