Patents by Inventor Koichi Fukasawa
Koichi Fukasawa has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11932022Abstract: Convenience of an ink bottle and a bottle set is improved. An ink bottle includes: a container portion that contains ink; a guiding portion that is formed in one end portion of the container portion, and includes an outflow port from which the ink in the container portion flow out; and a cover that covers at least an end portion of the container portion on the opposite side of the guiding portion.Type: GrantFiled: February 2, 2023Date of Patent: March 19, 2024Assignee: SEIKO EPSON CORPORATIONInventors: Taku Ishizawa, Tadahiro Mizutani, Ryoichi Tanaka, Manabu Akahane, Koichi Toba, Takumi Nagashima, Yoshiaki Shimizu, Tadashi Watanabe, Noriyuki Fukasawa
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Patent number: 11554666Abstract: A display control device is mounted on a vehicle and is configured to control display of information on a display device. The display control device includes an electronic control unit that determines whether there is information to be displayed on the display device, determines whether a predetermined first condition to determine that a driving operation by a user is not required is satisfied, determines whether a predetermined second condition to determine that the driving operation by the user is required is satisfied, controls the display device such that the display device displays the information when it is determined that there is information to be displayed on the display device and that the first condition is satisfied, and controls the display device such that the display device hides the information when it is determined that the second condition is satisfied.Type: GrantFiled: September 18, 2019Date of Patent: January 17, 2023Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Koichi Fukasawa
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Patent number: 10959312Abstract: The present invention addresses an illumination system and an illumination method which make a space including a display item illuminated with VIVID lighting where Duv is greatly deviated negatively from zero not perceived as pale pinkish, and the issue is solved by an illumination system for illuminating a space where a display item is displayed, wherein the illumination system comprises a first light-emitting device mainly illuminating the display item and satisfying the predetermined conditions, and a second light-emitting device mainly illuminating a space other than the display item and satisfying the predetermined conditions.Type: GrantFiled: April 20, 2018Date of Patent: March 23, 2021Assignee: CITIZEN ELECTRONICS CO., LTD.Inventors: Koichi Fukasawa, Makoto Arai
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Publication number: 20200396815Abstract: The present invention addresses an illumination system and an illumination method which make a space including a display item illuminated with VIVID lighting where Duv is greatly deviated negatively from zero not perceived as pale pinkish, and the issue is solved by an illumination system for illuminating a space where a display item is displayed, wherein the illumination system comprises a first light-emitting device mainly illuminating the display item and satisfying the predetermined conditions, and a second light-emitting device mainly illuminating a space other than the display item and satisfying the predetermined conditions.Type: ApplicationFiled: April 20, 2017Publication date: December 17, 2020Applicant: Citizen Electronics Co., Ltd.Inventors: Koichi Fukasawa, Makoto Arai
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Publication number: 20200156472Abstract: A display control device is mounted on a vehicle and is configured to control display of information on a display device. The display control device includes an electronic control unit that determines whether there is information to be displayed on the display device, determines whether a predetermined first condition to determine that a driving operation by a user is not required is satisfied, determines whether a predetermined second condition to determine that the driving operation by the user is required is satisfied, controls the display device such that the display device displays the information when it is determined that there is information to be displayed on the display device and that the first condition is satisfied, and controls the display device such that the display device hides the information when it is determined that the second condition is satisfied.Type: ApplicationFiled: September 18, 2019Publication date: May 21, 2020Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Koichi FUKASAWA
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Patent number: 10591141Abstract: Provided is a light-emitting apparatus including a substrate, a plurality of light-emitting units each having a plurality of LED elements mounted on the substrate in a rectangular lattice pattern, wherein each of the light-emitting units has a rectangular light-emitting region, and a lens array including a plurality of lenses provided corresponding to the light-emitting units, respectively, the lens array being arranged on the plurality of light-emitting units, wherein the plurality of lenses is designed such that beams of emission light from the plurality of light-emitting units are collected and radiated so as to overlap with one another at a position distant from the substrate, and a part of the plurality of light-emitting units is arranged to be inclined with respect to a reference direction in a plane of the substrate by an angle different from that of other light-emitting units.Type: GrantFiled: July 20, 2017Date of Patent: March 17, 2020Assignees: Citizen Electronics Co., Ltd., Citizen Watch Co., Ltd.Inventor: Koichi Fukasawa
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Patent number: 10429050Abstract: 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: GrantFiled: August 2, 2016Date of Patent: October 1, 2019Assignees: Citizen Electronics Co., Ltd., Citizen Holdings Co., Ltd.Inventor: Koichi Fukasawa
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Patent number: 10361344Abstract: A light-emitting device in which the emission intensity of light-emitting elements is improved by making heat generated by light emission of the light-emitting elements be effectively released is provided. The light-emitting device includes a mounting substrate including a mounting region, light-emitting elements mounted on the mounting region, a sealing resin which contains a phosphor and integrally seals the light-emitting elements, and at least one heat transfer member which is arranged among the light-emitting elements on the mounting region, is embedded in the sealing resin, and has a higher thermal conductivity than the sealing resin.Type: GrantFiled: December 10, 2015Date of Patent: July 23, 2019Assignees: CITIZEN ELECTRONICS CO., LTD., CITIZEN WATCH CO., LTD.Inventors: Koichi Fukasawa, Nodoka Oyamada
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Publication number: 20180128458Abstract: Provided is a light-emitting apparatus including a substrate, a plurality of light-emitting units each having a plurality of LED elements mounted on the substrate in a rectangular lattice pattern, wherein each of the light-emitting units has a rectangular light-emitting region, and a lens array including a plurality of lenses provided corresponding to the light-emitting units, respectively, the lens array being arranged on the plurality of light-emitting units, wherein the plurality of lenses is designed such that beams of emission light from the plurality of light-emitting units are collected and radiated so as to overlap with one another at a position distant from the substrate, and a part of the plurality of light-emitting units is arranged to be inclined with respect to a reference direction in a plane of the substrate by an angle different from that of other light-emitting units.Type: ApplicationFiled: July 20, 2017Publication date: May 10, 2018Applicants: CITIZEN ELECTRONICS CO., LTD., CITIZEN WATCH CO., LTD.Inventor: KOICHI FUKASAWA
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Patent number: 9882106Abstract: 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: GrantFiled: July 28, 2016Date of Patent: January 30, 2018Assignees: CITIZEN ELECTRONICS CO., LTD., CITIZEN WATCH CO., LTD.Inventor: Koichi Fukasawa
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Publication number: 20170365754Abstract: A light-emitting device in which the emission intensity of light-emitting elements is improved by making heat generated by light emission of the light-emitting elements be effectively released is provided. The light-emitting device includes a mounting substrate including a mounting region, light-emitting elements mounted on the mounting region, a sealing resin which contains a phosphor and integrally seals the light-emitting elements, and at least one heat transfer member which is arranged among the light-emitting elements on the mounting region, is embedded in the sealing resin, and has a higher thermal conductivity than the sealing resin.Type: ApplicationFiled: December 10, 2015Publication date: December 21, 2017Applicants: CITIZEN ELECTRONICS CO., LTD., CITIZEN WATCH CO., LTD.Inventors: Koichi Fukasawa, Nodoka Oyamada
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Patent number: 9748208Abstract: A light-emitting device includes a substrate, and a plurality of light-emitting arrays or light-emitting groups arranged on the substrate. The light-emitting arrays or light-emitting groups include a plurality of LED elements connected in parallel with a pair of adjacent electrodes. The number of the LED elements constituting each of the light-emitting arrays or the light-emitting groups differs in each of the light-emitting arrays or the light-emitting groups. Of the plurality of light-emitting arrays arranged in parallel with each other or the light-emitting groups arranged in a line, the number of the LED elements of the light-emitting arrays or the light-emitting groups positioned inside the substrate is more than the number of the LED elements of the light-emitting arrays or the light-emitting groups positioned outside the substrate.Type: GrantFiled: June 23, 2011Date of Patent: August 29, 2017Assignees: CITIZEN ELECTRONICS CO., LTD., CITIZEN WATCH CO., LTD.Inventor: Koichi Fukasawa
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Publication number: 20170133567Abstract: 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: ApplicationFiled: July 28, 2016Publication date: May 11, 2017Applicants: CITIZEN ELECTRONICS CO., LTD., CITIZEN HOLDINGS CO., LTD.Inventor: Koichi Fukasawa
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Publication number: 20170038051Abstract: 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: ApplicationFiled: August 2, 2016Publication date: February 9, 2017Applicants: CITIZEN ELECTRONICS CO., LTD., CITIZEN HOLDINGS CO., LTD.Inventor: Koichi Fukasawa
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Patent number: 9220142Abstract: A light-emitting device includes a mounting area that includes a first end and a second end opposite to the first end, a first electrode group disposed adjacent to the first end of the mounting area, a second electrode group disposed adjacent to the second end of the mounting area, a plurality of files each in that a plurality of light-emitting elements are arranged in the mounting area to extend from a vicinity of the first end of the light-emitting area to a vicinity of the second end of the mounting area and electrically connected in series with each other of the light-emitting elements in each file. Light-emitting elements included in two or more files can be a light-emitting block to be lighted together through electrodes of the first electrode group and the second electrode group.Type: GrantFiled: October 5, 2012Date of Patent: December 22, 2015Assignees: CITIZEN ELECTRONICS CO., LTD., CITIZEN HOLDINGS CO., LTD.Inventors: Takakazu Yano, Masato Asahina, Arata Shimozawa, Koichi Fukasawa
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Publication number: 20150155460Abstract: A light-emitting apparatus that can produce white light that appears crisper by controlling light-emitting devices of different colors using a simplified wiring configuration is provided. The light-emitting apparatus includes a plurality of blue-emitting devices as blue-emitting semiconductor light-emitting devices, a plurality of green-emitting devices as green-emitting semiconductor light-emitting devices, and a sealing resin through which is dispersed a red phosphor that emits red light by absorbing blue light from the plurality of blue-emitting devices and green light from the plurality of green-emitting devices as pump light, the sealing resin covering the plurality of blue-emitting devices and the plurality of green-emitting devices, wherein the plurality of blue-emitting devices and the plurality of green-emitting devices are connected in series with each other.Type: ApplicationFiled: November 25, 2014Publication date: June 4, 2015Applicants: CITIZEN ELECTRONICS CO., LTD., CITIZEN HOLDINGS CO., LTD.Inventor: Koichi Fukasawa
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Patent number: 8766313Abstract: A mounting board including a pair of patterned electrodes, a lower surface and an upper surface opposed thereto on which a substrate of an electronic component is to be mounted, a pass-through hole penetrating through the upper surface and the lower surface, and a peripheral side surface that defines the pass-through hole. The pass-through hole includes a plurality of penetrating grooves that are cut into the mounting board and penetrate through the upper and lower surfaces. The plurality of penetrating grooves electrically split the pair of patterned electrodes. The pair of patterned electrodes is partly positioned inside the peripheral side surface, and a connection portion connecting the at least one pair of patterned electrodes and at least one pair of patterned electrodes provided on the upper surface of the substrate of the electronic component is to be disposed inside the peripheral side surface that defines the pass-through hole.Type: GrantFiled: February 23, 2011Date of Patent: July 1, 2014Assignees: Citizen Electronics Co., Ltd., Citizen Holdings Co., Ltd., Panasonic CorporationInventors: Kohsuke Kashitani, Koichi Fukasawa, Jun Takashima, Katsuyuki Kiyozumi
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Patent number: 8596820Abstract: The present invention is an LED unit having a thermal-release structure including a base having high thermal conductivity, a circuit board which includes a wiring pattern and is provided on the base, at least one LED element which is electrically connected to the wiring pattern and disposed on the base, and a light-transmitting resinous body provided to cover above the base to seal the LED element.Type: GrantFiled: April 13, 2006Date of Patent: December 3, 2013Assignee: Citizen Electronics Co., Ltd.Inventors: Koichi Fukasawa, Sadato Imai, Masayoshi Kanamori
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Patent number: RE46295Abstract: An LED apparatus includes a base having thermal conductivity, an insulative substrate provided on one surface of the base and including electrodes provided on a surface of the substrate, at least one base-mounting area that is an exposed part of the base, exposed within a pass-through hole provided in the substrate, a plurality of LED elements mounted on the base in the base-mounting area and some of the LED elements in a unit electrically connected to the electrodes in series, a plurality of the units are electrically connected in parallel, and a frame disposed to surround the base-mounting area and configured to form a light-emitting area.Type: GrantFiled: September 3, 2014Date of Patent: January 31, 2017Assignees: CITIZEN ELECTRONICS CO., LTD., CITIZEN HOLDINGS CO., LTD.Inventors: Norikazu Kadotani, Koichi Fukasawa, Sadato Imai
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Patent number: RE47530Abstract: An LED apparatus includes a base having thermal conductivity, an insulative substrate provided on one surface of the base and including electrodes provided on a surface of the substrate, at least one base-mounting area that is an exposed part of the base, exposed within a pass-through hole provided in the substrate, a plurality of LED elements mounted on the base in the base-mounting area and some of the LED elements in a unit electrically connected to the electrodes in series, a plurality of the units are electrically connected in parallel, and a frame disposed to surround the base-mounting area and configured to form a light-emitting area.Type: GrantFiled: October 27, 2016Date of Patent: July 23, 2019Assignees: CITIZEN ELECTRONICS CO., LTD., CITIZEN WATCH CO., LTD.Inventors: Norikazu Kadotani, Koichi Fukasawa, Sadato Imai