Patents by Inventor Yusaku Kawabata

Yusaku Kawabata 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).

  • Publication number: 20230184394
    Abstract: An LED lamp A includes a plurality of LED modules 2 each including an LED chip 21, and a support member 1 including a support surface 1a on which the LED modules 2 are mounted. The LED modules 2 include a plurality of kinds of LED modules, or a first through a third LED modules 2A, 2B and 2C different from each other in directivity characteristics that represent light intensity distribution with respect to light emission directions. This arrangement ensures that the entire surrounding area can be illuminated with sufficient brightness.
    Type: Application
    Filed: February 8, 2023
    Publication date: June 15, 2023
    Inventor: Yusaku KAWABATA
  • Patent number: 11629826
    Abstract: An LED lamp A includes a plurality of LED modules 2 each including an LED chip 21, and a support member 1 including a support surface 1a on which the LED modules 2 are mounted. The LED modules 2 include a plurality of kinds of LED modules, or a first through a third LED modules 2A, 2B and 2C different from each other in directivity characteristics that represent light intensity distribution with respect to light emission directions. This arrangement ensures that the entire surrounding area can be illuminated with sufficient brightness.
    Type: Grant
    Filed: August 31, 2020
    Date of Patent: April 18, 2023
    Assignee: ROHM CO., LTD.
    Inventor: Yusaku Kawabata
  • Patent number: 11608941
    Abstract: An LED lamp A includes a plurality of LED modules 2 each including an LED chip 21, and a support member 1 including a support surface 1a on which the LED modules 2 are mounted. The LED modules 2 include a plurality of kinds of LED modules, or a first through a third LED modules 2A, 2B and 2C different from each other in directivity characteristics that represent light intensity distribution with respect to light emission directions. This arrangement ensures that the entire surrounding area can be illuminated with sufficient brightness.
    Type: Grant
    Filed: April 20, 2021
    Date of Patent: March 21, 2023
    Assignee: ROHM CO., LTD.
    Inventor: Yusaku Kawabata
  • Publication number: 20210239279
    Abstract: An LED lamp A includes a plurality of LED modules 2 each including an LED chip 21, and a support member 1 including a support surface 1a on which the LED modules 2 are mounted. The LED modules 2 include a plurality of kinds of LED modules, or a first through a third LED modules 2A, 2B and 2C different from each other in directivity characteristics that represent light intensity distribution with respect to light emission directions. This arrangement ensures that the entire surrounding area can be illuminated with sufficient brightness.
    Type: Application
    Filed: April 20, 2021
    Publication date: August 5, 2021
    Inventor: Yusaku KAWABATA
  • Publication number: 20210190274
    Abstract: An LED lamp A includes a plurality of LED modules 2 each including an LED chip 21, and a support member 1 including a support surface 1a on which the LED modules 2 are mounted. The LED modules 2 include a plurality of kinds of LED modules, or a first through a third LED modules 2A, 2B and 2C different from each other in directivity characteristics that represent light intensity distribution with respect to light emission directions. This arrangement ensures that the entire surrounding area can be illuminated with sufficient brightness.
    Type: Application
    Filed: March 3, 2021
    Publication date: June 24, 2021
    Inventor: Yusaku KAWABATA
  • Publication number: 20200393089
    Abstract: An LED lamp A includes a plurality of LED modules 2 each including an LED chip 21, and a support member 1 including a support surface 1a on which the LED modules 2 are mounted. The LED modules 2 include a plurality of kinds of LED modules, or a first through a third LED modules 2A, 2B and 2C different from each other in directivity characteristics that represent light intensity distribution with respect to light emission directions. This arrangement ensures that the entire surrounding area can be illuminated with sufficient brightness.
    Type: Application
    Filed: August 31, 2020
    Publication date: December 17, 2020
    Inventor: Yusaku KAWABATA
  • Patent number: 10295126
    Abstract: A lighting device includes a substrate having a side extending straight in a first direction and a first LED chip supported by the substrate and having a first anode terminal and a first cathode terminal. The lighting device includes a second LED chip and a third LED chip supported by the substrate, being electrically connected to the second cathode terminal, and being overlapped with the first LED chip when viewed in a second direction that is perpendicular to the first direction. The lighting device includes a connecting portion that connects the first cathode terminal and the second anode terminal with each other, at least a portion of the connecting portion angled at an acute angle with respect to the second direction.
    Type: Grant
    Filed: July 14, 2017
    Date of Patent: May 21, 2019
    Assignee: ROHM CO., LTD.
    Inventors: Toshiyuki Fujita, Toshio Watanabe, Yusaku Kawabata
  • Publication number: 20190137049
    Abstract: An LED lamp A includes a plurality of LED modules 2 each including an LED chip 21, and a support member 1 including a support surface 1a on which the LED modules 2 are mounted. The LED modules 2 include a plurality of kinds of LED modules, or a first through a third LED modules 2A, 2B and 2C different from each other in directivity characteristics that represent light intensity distribution with respect to light emission directions. This arrangement ensures that the entire surrounding area can be illuminated with sufficient brightness.
    Type: Application
    Filed: January 8, 2019
    Publication date: May 9, 2019
    Inventor: Yusaku KAWABATA
  • Patent number: 10190729
    Abstract: An LED lamp A includes a plurality of LED modules 2 each including an LED chip 21, and a support member 1 including a support surface 1a on which the LED modules 2 are mounted. The LED modules 2 include a plurality of kinds of LED modules, or a first through a third LED modules 2A, 2B and 2C different from each other in directivity characteristics that represent light intensity distribution with respect to light emission directions. This arrangement ensures that the entire surrounding area can be illuminated with sufficient brightness.
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: January 29, 2019
    Assignee: ROHM CO., LTD.
    Inventor: Yusaku Kawabata
  • Patent number: 9893420
    Abstract: The wireless module according to the present invention includes a wireless IC chip for processing transmission/reception signals, a substrate on which the wireless IC chip is mounted, an antenna provided on the substrate, and a plurality of terminals extending off from the substrate in an in-plane direction of the substrate.
    Type: Grant
    Filed: August 6, 2015
    Date of Patent: February 13, 2018
    Assignee: ROHM CO., LTD.
    Inventors: Tomohiro Ikuta, Yusaku Kawabata
  • Publication number: 20170314742
    Abstract: A lighting device includes a substrate having a side extending straight in a first direction and a first LED chip supported by the substrate and having a first anode terminal and a first cathode terminal. The lighting device includes a second LED chip and a third LED chip supported by the substrate, being electrically connected to the second cathode terminal, and being overlapped with the first LED chip when viewed in a second direction that is perpendicular to the first direction. The lighting device includes a connecting portion that connects the first cathode terminal and the second anode terminal with each other, at least a portion of the connecting portion angled at an acute angle with respect to the second direction.
    Type: Application
    Filed: July 14, 2017
    Publication date: November 2, 2017
    Applicant: ROHM CO., LTD.
    Inventors: Toshiyuki FUJITA, Toshio WATANABE, Yusaku KAWABATA
  • Patent number: 9797554
    Abstract: An LED lamp A includes a plurality of LED modules 2 each including an LED chip 21, and a support member 1 including a support surface 1a on which the LED modules 2 are mounted. The LED modules 2 include a plurality of kinds of LED modules, or a first through a third LED modules 2A, 2B and 2C different from each other in directivity characteristics that represent light intensity distribution with respect to light emission directions. This arrangement ensures that the entire surrounding area can be illuminated with sufficient brightness.
    Type: Grant
    Filed: December 14, 2015
    Date of Patent: October 24, 2017
    Assignee: ROHM CO., LTD.
    Inventor: Yusaku Kawabata
  • Patent number: 9777891
    Abstract: An LED lamp A1 includes a plurality of LED modules 1 and a substrate 2 on which the LED modules 1 are mounted in a row. A light guide 3 covering the LED modules 1 is provided on the substrate 2. The light guide 3 is held in close contact with each of the LED modules. With this arrangement, a proper amount of light is obtained with the use of a smaller number of LED modules 1 or with less power consumption.
    Type: Grant
    Filed: May 18, 2015
    Date of Patent: October 3, 2017
    Assignee: IRIS OHYAMA INC.
    Inventors: Yusaku Kawabata, Hiroshi Fukumoto, Takao Iemoto, Toshio Watanabe, Hideharu Osawa, Hiroyuki Fukui, Hirotaka Shimizu
  • Patent number: 9732916
    Abstract: A lighting device includes a substrate and a planar light source portion including a plurality of LED chips arrayed on the substrate. The planar light source portion faces an illumination space (space to be illuminated) by a predetermined opening area. The plurality of LED chips are arrayed on the substrate such that the mounting density with respect to the opening area is not less than 3/cm2, and accordingly, a planar light source is formed.
    Type: Grant
    Filed: February 9, 2017
    Date of Patent: August 15, 2017
    Assignee: ROHM CO., LTD.
    Inventors: Toshiyuki Fujita, Toshio Watanabe, Yusaku Kawabata
  • Publication number: 20170152996
    Abstract: A lighting device includes a substrate and a planar light source portion including a plurality of LED chips arrayed on the substrate. The planar light source portion faces an illumination space (space to be illuminated) by a predetermined opening area. The plurality of LED chips are arrayed on the substrate such that the mounting density with respect to the opening area is not less than 3/cm2, and accordingly, a planar light source is formed.
    Type: Application
    Filed: February 9, 2017
    Publication date: June 1, 2017
    Applicant: ROHM CO., LTD.
    Inventors: Toshiyuki FUJITA, Toshio WATANABE, Yusaku KAWABATA
  • Patent number: 9587813
    Abstract: A lighting device includes a substrate and a planar light source portion including a plurality of LED chips arrayed on the substrate. The planar light source portion faces an illumination space (space to be illuminated) by a predetermined opening area. The plurality of LED chips are arrayed on the substrate such that the mounting density with respect to the opening area is not less than 3/cm2, and accordingly, a planar light source is formed.
    Type: Grant
    Filed: February 25, 2016
    Date of Patent: March 7, 2017
    Assignee: ROHM CO., LTD.
    Inventors: Toshiyuki Fujita, Toshio Watanabe, Yusaku Kawabata
  • Publication number: 20160178174
    Abstract: A lighting device includes a substrate and a planar light source portion including a plurality of LED chips arrayed on the substrate. The planar light source portion faces an illumination space (space to be illuminated) by a predetermined opening area. The plurality of LED chips are arrayed on the substrate such that the mounting density with respect to the opening area is not less than 3/cm2, and accordingly, a planar light source is formed.
    Type: Application
    Filed: February 25, 2016
    Publication date: June 23, 2016
    Applicant: ROHM CO., LTD.
    Inventors: Toshiyuki FUJITA, Toshio WATANABE, Yusaku KAWABATA
  • Publication number: 20160097491
    Abstract: An LED lamp A includes a plurality of LED modules 2 each including an LED chip 21, and a support member 1 including a support surface 1a on which the LED modules 2 are mounted. The LED modules 2 include a plurality of kinds of LED modules, or a first through a third LED modules 2A, 2B and 2C different from each other in directivity characteristics that represent light intensity distribution with respect to light emission directions. This arrangement ensures that the entire surrounding area can be illuminated with sufficient brightness.
    Type: Application
    Filed: December 14, 2015
    Publication date: April 7, 2016
    Inventor: Yusaku KAWABATA
  • Patent number: 9303833
    Abstract: A lighting device includes a substrate and a planar light source portion including a plurality of LED chips arrayed on the substrate. The planar light source portion faces an illumination space (space to be illuminated) by a predetermined opening area. The plurality of LED chips are arrayed on the substrate such that the mounting density with respect to the opening area is not less than 3/cm2, and accordingly, a planar light source is formed.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: April 5, 2016
    Assignee: ROHM CO., LTD.
    Inventors: Toshiyuki Fujita, Toshio Watanabe, Yusaku Kawabata
  • Patent number: D882163
    Type: Grant
    Filed: July 18, 2018
    Date of Patent: April 21, 2020
    Assignee: ROHM CO., LTD.
    Inventors: Tetsuya Sasahara, Yusaku Kawabata