Patents Assigned to Citizen Holdings Co., Ltd.
  • Patent number: 10429050
    Abstract: A light-emitting apparatus according to the present invention has a packaging substrate having a packaging area, a plurality of light-emitting elements packaged in the packaging area, and a sealing resin that seals the plurality of light-emitting elements. The plurality of light-emitting elements includes light-emitting elements packaged in a first packaging area including the center of the packaging area and light-emitting elements packaged in a second packaging area surrounding the perimeter of the first packaging area. The packaging density of the light-emitting elements packaged in the first packaging area is higher than the packaging density of the light-emitting elements packaged in the second packaging area.
    Type: Grant
    Filed: August 2, 2016
    Date of Patent: October 1, 2019
    Assignees: Citizen Electronics Co., Ltd., Citizen Holdings Co., Ltd.
    Inventor: Koichi Fukasawa
  • Patent number: 10361642
    Abstract: Provided is an electronic device including a rotary power generation device using an electret, which is capable of preventing a spiral spring from being wound up or fully extended. The electronic device includes a power generation mechanism including: first rotary member, which is supported in a freely rotatable manner, and has a center of gravity shifted from a rotation center; second rotary member supported in a freely rotatable manner; an elastic member configured to elastically connect the first rotary member and the second rotary member to each other for rotary motions thereof; a stationary member arranged so as to be opposed to the second rotary member; and an electret film formed on a surface of any one of the second rotary member and the stationary member.
    Type: Grant
    Filed: March 26, 2015
    Date of Patent: July 23, 2019
    Assignees: CITIZEN HOLDINGS CO., LTD., CITIZEN WATCH CO., LTD.
    Inventors: Kensaku Matsumoto, Takashi Ihara, Makoto Watanabe, Akira Izumi
  • 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
  • Patent number: 9786826
    Abstract: An LED light-emitting element having reduced the occurrence of illuminance unevenness is provided. A light-emitting element comprising a substrate, an LED element mounted on the substrate, a phosphor resin arranged on the substrate so as to seal the LED element and having an emission surface from which light based on light emitted from the LED element is emitted, a reflective resin arranged around the phosphor resin; and a reflecting frame having an opening and at least part of which is arranged on the reflective resin, wherein the reflective resin is arranged directly under the reflecting frame and on the side surface of the phosphor resin, the ratio of the area of the emission surface to the area of an inside area of the reflecting frame is set to 80% or higher, and in the inside area of the reflecting frame, the reflective resin is exposed around the emission surface.
    Type: Grant
    Filed: August 2, 2016
    Date of Patent: October 10, 2017
    Assignees: CITIZEN ELECTRONICS CO., LTD., CITIZEN HOLDINGS CO., LTD.
    Inventors: Makoto Yasuhara, Yusuke Watanabe
  • Patent number: 9703282
    Abstract: A portable manipulation command input device, including a sub-console panel attachable to and removable from an automatic lathe apparatus main unit, and includes an input unit to receive input of a manipulation command to the automatic lathe apparatus main unit, a display unit to display information on the automatic lathe apparatus main unit, and a radio communication unit to communicate with the automatic lathe apparatus main unit. The sub-console panel includes a detection unit and a control unit formed with the automatic lathe apparatus main unit. The detection unit includes a radio ID tag and a radio ID reader detecting the sub-console panel being placed within a predetermined range of the automatic lathe apparatus main unit. Depending on a detection result by the detection unit, the control unit allows or restricts manipulations of the automatic lathe apparatus main unit, and allows display of the information even when restricting the manipulations.
    Type: Grant
    Filed: October 3, 2013
    Date of Patent: July 11, 2017
    Assignees: CITIZEN HOLDINGS CO., LTD., CITIZEN MACHINERY CO., LTD., MITSUBISHI ELECTRIC CORPORATION
    Inventors: Shigeo Yanagidaira, Takaichi Nakaya, Hitoshi Matsumoto, Kazuhiko Sannomiya, Shoji Oda
  • Publication number: 20170182572
    Abstract: The present invention achieves a machining apparatus which can easily be composed and a machining method which can perform gear machining or splined shaft machining easily by using an existing lathe.
    Type: Application
    Filed: January 29, 2015
    Publication date: June 29, 2017
    Applicants: CITIZEN HOLDINGS CO., LTD., CITIZEN MACHINERY CO., LTD.
    Inventor: Hikaru TAKAHASHI
  • 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: 20170133567
    Abstract: A semiconductor device wherein the horizontal spreading of solder at the time of reflow is suppressed and a plurality of devices can be mounted close to each other on a substrate, and a light-emitting apparatus using such a semiconductor device as a light-emitting device are provided. A semiconductor device bonded to a substrate by solder includes a semiconductor layer, a plurality of device electrodes formed on a bottom surface of the semiconductor layer, and a plurality of auxiliary electrodes formed integrally with the device electrodes, respectively, wherein each of the auxiliary electrodes includes a groove portion formed in a bottom surface thereof, and a side face of the groove portion is slanted with respect to the bottom surface of the semiconductor layer so that the groove portion becomes narrower in width with increasing distance from a lower end of the auxiliary electrode and decreasing distance to an upper end thereof.
    Type: Application
    Filed: July 28, 2016
    Publication date: May 11, 2017
    Applicants: CITIZEN ELECTRONICS CO., LTD., CITIZEN HOLDINGS CO., LTD.
    Inventor: Koichi Fukasawa
  • Publication number: 20170133952
    Abstract: Provided is an electric power generating device capable of performing electret power generation by efficiently rotating a rotating electrode group.
    Type: Application
    Filed: March 19, 2015
    Publication date: May 11, 2017
    Applicant: CITIZEN HOLDINGS CO., LTD.
    Inventors: Kensaku MATSUMOTO, Takashi IHARA, Makoto WATANABE, Akira IZUMI
  • 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
  • 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: 20170110988
    Abstract: A board arrangement structure includes a housing, a first board fastened to the housing, a second board arranged in parallel enabling, relative movement with respect to the first board, an electrically charged film, a counter electrode, and an output part outputting electric power generated between the electrically charged film and the counter electrode, at least one of the electrically charged film and the counter electrode being arranged at a first facing surface of the first board and the other being arranged at a second facing surface of the second board facing the first facing surface, and the first facing surface of the first board being, fastened to a reference mounting surface provided at the housing.
    Type: Application
    Filed: February 27, 2015
    Publication date: April 20, 2017
    Applicant: CITIZEN HOLDINGS CO., LTD.
    Inventors: Akira IZUMI, Takashi IHARA, Makoto WATANABE
  • Patent number: 9606515
    Abstract: Provided is a satellite radio-controlled watch, which is capable of holding back a receiving operation when in a posture that does not allow normal reception of a satellite signal, and is capable of performing a receiving operation under conditions varied to suit the type of reference information to be obtained. The satellite radio-controlled watch includes: a reception circuit (31) for receiving a satellite signal; and a controller (47) for sequentially detecting a received light amount of the satellite radio-controlled watch, calculating a received light variation which is an amount of change of the received light amount, and controlling the reception circuit (31) to start an operation of receiving the satellite signal, based on the received light variation.
    Type: Grant
    Filed: March 22, 2011
    Date of Patent: March 28, 2017
    Assignees: CITIZEN HOLDINGS CO., LTD., CITIZEN WATCH CO., LTD.
    Inventors: Takushi Hagita, Akira Kato, Akinari Takada
  • Publication number: 20170086265
    Abstract: An LED illuminator configured to further reduce total harmonic distortion is provided.
    Type: Application
    Filed: March 17, 2015
    Publication date: March 23, 2017
    Applicants: CITIZEN ELECTRONICS CO., LTD., CITIZEN HOLDINGS CO., LTD.
    Inventors: Takashi Akiyama, Yuki Ochiai
  • Publication number: 20170038051
    Abstract: A light-emitting apparatus according to the present invention has a packaging substrate having a packaging area, a plurality of light-emitting elements packaged in the packaging area, and a sealing resin that seals the plurality of light-emitting elements. The plurality of light-emitting elements includes light-emitting elements packaged in a first packaging area including the center of the packaging area and light-emitting elements packaged in a second packaging area surrounding the perimeter of the first packaging area. The packaging density of the light-emitting elements packaged in the first packaging area is higher than the packaging density of the light-emitting elements packaged in the second packaging area.
    Type: Application
    Filed: August 2, 2016
    Publication date: February 9, 2017
    Applicants: CITIZEN ELECTRONICS CO., LTD., CITIZEN HOLDINGS CO., LTD.
    Inventor: Koichi Fukasawa
  • Publication number: 20170040514
    Abstract: An LED light-emitting element having reduced the occurrence of illuminance unevenness is provided. A light-emitting element comprising a substrate, an LED element mounted on the substrate, a phosphor resin arranged on the substrate so as to seal the LED element and having an emission surface from which light based on light emitted from the LED element is emitted, a reflective resin arranged around the phosphor resin; and a reflecting frame having an opening and at least part of which is arranged on the reflective resin, wherein the reflective resin is arranged directly under the reflecting frame and on the side surface of the phosphor resin, the ratio of the area of the emission surface to the area of an inside area of the reflecting frame is set to 80% or higher, and in the inside area of the reflecting frame, the reflective resin is exposed around the emission surface.
    Type: Application
    Filed: August 2, 2016
    Publication date: February 9, 2017
    Applicants: CITIZEN ELECTRONICS CO., LTD., CITIZEN HOLDINGS CO., LTD.
    Inventors: Makoto Yasuhara, Yusuke Watanabe
  • Patent number: 9559083
    Abstract: Provided is a compact and high-luminance semiconductor light-emitting device which has excellent color rendering characteristics and which enables arbitrary selection of emission color depending on the use of the device. The semiconductor light-emitting device includes a light-emitting element assembly configured by a plurality of fluorescent semiconductor light-emitting elements each of which has external connection electrodes respectively connected to an n-type semiconductor layer and a p-type semiconductor layer, wherein at least an outer surface other than the external connection electrodes of each of the fluorescent semiconductor light-emitting elements is coated with a resin containing a fluorescent material. The light-emitting element assembly is configured such that the external connection electrodes of the fluorescent semiconductor light-emitting elements are directly connected in series using solder.
    Type: Grant
    Filed: September 27, 2014
    Date of Patent: January 31, 2017
    Assignees: CITIZEN ELECTRONICS CO., LTD., CITIZEN HOLDINGS CO., LTD.
    Inventor: Takashi Iino
  • Patent number: D778246
    Type: Grant
    Filed: November 18, 2015
    Date of Patent: February 7, 2017
    Assignees: CITIZEN ELECTRONICS CO., LTD., CITIZEN HOLDINGS CO., LTD.
    Inventor: Shingo Kuriki