Patents by Inventor Kazuhisa Iwashita

Kazuhisa Iwashita 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: 20190049085
    Abstract: According to one embodiment, a lighting device for vehicles includes a mounting unit including a recessed portion which is provided on one face of a flange, and is open to an end face on a side opposite to a side of the flange; a substrate which is provided on a lower face side of the recessed portion, and includes a light emitting element on a face on the side opposite to a side of the flange; and a plurality of power feeding terminals which protrude from the lower face of the recessed portion, and are soldered to a wiring pattern provided on the substrate, in which a notch portion is provided at a portion on a side face of the recessed portion which faces the plurality of power feeding terminals.
    Type: Application
    Filed: March 1, 2018
    Publication date: February 14, 2019
    Applicant: Toshiba Lighting & Technology Corporation
    Inventors: Masayuki Ishiyama, Ryuji Tsuchiya, Kiyokazu Hino, Toshihiro Hatanaka, Daisuke Kosugi, Hiromitsu Shiraishi, Takashi Kaneko, Kazuhisa Iwashita
  • Patent number: 10203080
    Abstract: According to one embodiment, a lighting device for vehicles includes a mounting unit including a recessed portion which is provided on one face of a flange, and is open to an end face on a side opposite to a side of the flange; a substrate which is provided on a lower face side of the recessed portion, and includes a light emitting element on a face on the side opposite to a side of the flange; and a plurality of power feeding terminals which protrude from the lower face of the recessed portion, and are soldered to a wiring pattern provided on the substrate, in which a notch portion is provided at a portion on a side face of the recessed portion which faces the plurality of power feeding terminals.
    Type: Grant
    Filed: March 1, 2018
    Date of Patent: February 12, 2019
    Assignee: Toshiba Lighting & Technology Corporation
    Inventors: Masayuki Ishiyama, Ryuji Tsuchiya, Kiyokazu Hino, Toshihiro Hatanaka, Daisuke Kosugi, Hiromitsu Shiraishi, Takashi Kaneko, Kazuhisa Iwashita
  • Publication number: 20140361324
    Abstract: A light emitting device includes a light emitting element disposed on a portion of a first lead frame element, a first resin including a fluorescent material, and a second resin. The first resin is above the light emitting element. The second resin is between the first resin and the first lead frame element. In some embodiments, the second resin includes a filler material that reflects light emitted by the light emitting element. In some embodiments, the light emitting device includes a protective diode connected in reverse parallel with the light emitting element. In some embodiments, a transparent resin may be disposed first and second resins.
    Type: Application
    Filed: February 28, 2014
    Publication date: December 11, 2014
    Inventors: Naoya USHIYAMA, Kazuhiro INOUE, Kenji SHIMOMURA, Tetsuro KOMATSU, Toshihiro KUROKI, Toshihiro KOMEYA, Kazuhiro TAMURA, Yoshiharu TSUBOI, Teruo TAKEUCHI, Kazuhisa IWASHITA
  • Patent number: 8686464
    Abstract: According to one embodiment, an LED module includes a substrate, an interconnect layer, a light emitting diode (LED) package, and a reflection member. The interconnect layer is provided on the substrate. The LED package is mounted on the interconnect layer. The reflection member is provided on a region in the substrate where the LED package is not mounted and has a property of reflecting light emitted from the LED package. The LED package includes a first lead frame, a second lead frame, an LED chip, and a resin body. The first lead frame and the second lead frame are arranged apart from each other on the same plane. The LED chip is provided above the first lead frame and the second lead frame, with one terminal connected to the first lead frame and one other terminal connected to the second lead frame.
    Type: Grant
    Filed: March 22, 2011
    Date of Patent: April 1, 2014
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Kazuhiro Inoue, Kazuhisa Iwashita, Teruo Takeuchi, Gen Watari, Tetsuro Komatsu, Tatsuo Tonedachi
  • Patent number: 8525202
    Abstract: According to one embodiment, an LED package includes first and second lead frames, an LED chip and a resin body. The first and second lead frames are apart from each other. The LED chip is provided above the first and second lead frames, and the LED chip has one terminal connected to the first lead frame and another terminal connected to the second lead frame. In addition, the resin body covers the first and second lead frames and the LED chip, and has an upper surface with a surface roughness of 0.15 ?m or higher and a side surface with a surface roughness higher than the surface roughness of the upper surface.
    Type: Grant
    Filed: August 3, 2010
    Date of Patent: September 3, 2013
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Gen Watari, Satoshi Shimizu, Mami Yamamoto, Hidenori Egoshi, Hiroaki Oshio, Tatsuo Tonedachi, Kazuhisa Iwashita, Tetsuro Komatsu, Teruo Takeuchi
  • Patent number: 8497521
    Abstract: According to one embodiment, an LED package includes a first lead frame, a second lead frame, an LED chip, a wire, and a resin body. The first lead frame and the second lead frame are arranged with a space between each other. The LED chip is provided above the first lead frame and the second lead frame. The LED chip has a first terminal connected to the first lead frame and a second terminal connected to the second lead frame. The wire connects the first terminal to the first lead frame. The resin body covers the LED chip as well as a top surface, a part of a bottom surface, and a part of an edge surface of each of the first lead frame and the second lead frame. A remaining portion of each of the bottom surfaces and a remaining portion of each of the edge surfaces are exposed.
    Type: Grant
    Filed: September 3, 2010
    Date of Patent: July 30, 2013
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Naoya Ushiyama, Kazuhisa Iwashita, Tatsuo Tonedachi, Teruo Takeuchi, Hiroaki Oshio, Tetsuro Komatsu, Gen Watari, Satoshi Shimizu
  • Patent number: 8378347
    Abstract: According to one embodiment, an LED package includes first and second lead frames spaced from each other, and an LED chip. Each of the first and second lead frames includes a base portion and a plurality of extending portions extending from the base portion. A part of a lower surface of the base portion, side surfaces of the base portion, lower surfaces of the extending portions and side surfaces of the extending portions are covered by resin. A remaining part of the lower surface of the base portion and tip surfaces of the extending portions are not covered by resin. The part of the lower surface of the base portion includes a first edge of the first lead frame and a second edge of the second lead frame. The first edge and the second edge are opposed each other.
    Type: Grant
    Filed: November 4, 2011
    Date of Patent: February 19, 2013
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Satoshi Shimizu, Kazuhisa Iwashita, Teruo Takeguchi, Tetsuro Komatsu, Hiroaki Oshio, Tatsuo Tonedachi, Naoya Ushiyama, Kazuhiro Inoue, Gen Watari
  • Patent number: 8338845
    Abstract: According to one embodiment, an LED package includes first and second lead frames, an LED chip and a resin body. The first and second lead frames are made of a metal material, and disposed to be apart from each other. The LED chip is provided above the first and second lead frames, the LED chip having one terminal connected to the first lead frame and another terminal connected to the second lead frame. The resin body is made of a resin material having a shore D hardness of 25 or higher. In addition, the resin body covers the first and second lead frames and the LED chip. And, an appearance of the resin body is an appearance of the LED package.
    Type: Grant
    Filed: August 25, 2010
    Date of Patent: December 25, 2012
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Gen Watari, Satoshi Shimizu, Hiroaki Oshio, Tatsuo Tonedachi, Kazuhisa Iwashita, Tetsuro Komatsu, Teruo Takeuchi
  • Patent number: 8319320
    Abstract: According to one embodiment, an LED module includes a board, an interconnection and an LED package. The interconnection is formed on an upper surface of the board. The LED package is mounted on the board. The LED package includes first and second lead frames disposed to be apart from each other, and connected to portions of the interconnection insulated from each other. The LED package includes an LED chip provided above the first and second lead frames. The LED chip has one terminal connected to the first lead frame and another terminal connected to the second lead frame. In addition, the LED package includes a resin body covering an upper surface, portions of a lower surface and an edge surface of each of the first and second lead frames, also covering the LED chip, but exposing remaining portions of the lower surface and the edge surface. And, an appearance of the resin body is an appearance of the LED package.
    Type: Grant
    Filed: September 2, 2010
    Date of Patent: November 27, 2012
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Kazuhiro Inoue, Kazuhisa Iwashita, Teruo Takeuchi, Tatsuo Tonedachi, Hiroaki Oshio, Tetsuro Komatsu, Naoya Ushiyama
  • Publication number: 20120132931
    Abstract: According to one embodiment, an LED module includes a substrate, an interconnect layer, a light emitting diode (LED) package, and a reflection member. The interconnect layer is provided on the substrate. The LED package is mounted on the interconnect layer. The reflection member is provided on a region in the substrate where the LED package is not mounted and has a property of reflecting light emitted from the LED package. The LED package includes a first lead frame, a second lead frame, an LED chip, and a resin body. The first lead frame and the second lead frame are arranged apart from each other on the same plane. The LED chip is provided above the first lead frame and the second lead frame, with one terminal connected to the first lead frame and one other terminal connected to the second lead frame.
    Type: Application
    Filed: March 22, 2011
    Publication date: May 31, 2012
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Kazuhiro Inoue, Kazuhisa Iwashita, Teruo Takeuchi, Gen Watari, Tetsuro Komatsu, Tatsuo Tonedachi
  • Publication number: 20120080674
    Abstract: According to one embodiment, an LED package includes first and second lead frames spaced from each other, and an LED chip. Each of the first and second lead frames includes a base portion and a plurality of extending portions extending from the base portion. A part of a lower surface of the base portion, side surfaces of the base portion, lower surfaces of the extending portions and side surfaces of the extending portions are covered by resin. A remaining part of the lower surface of the base portion and tip surfaces of the extending portions are not covered by resin. The part of the lower surface of the base portion includes a first edge of the first lead frame and a second edge of the second lead frame. The first edge and the second edge are opposed each other.
    Type: Application
    Filed: November 4, 2011
    Publication date: April 5, 2012
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Satoshi Shimizu, Kazuhisa Iwashita, Teruo Takeguchi, Tetsuro Komatsu, Hiroaki Oshio, Tatsuo Tonedachi, Naoya Ushiyama, Kazuhiro Inoue, Gen Watari
  • Publication number: 20110193112
    Abstract: According to one embodiment, an LED module includes a board, an interconnection and an LED package. The interconnection is formed on an upper surface of the board. The LED package is mounted on the board. The LED package includes first and second lead frames disposed to be apart from each other, and connected to portions of the interconnection insulated from each other. The LED package includes an LED chip provided above the first and second lead frames. The LED chip has one terminal connected to the first lead frame and another terminal connected to the second lead frame. In addition, the LED package includes a resin body covering an upper surface, portions of a lower surface and an edge surface of each of the first and second lead frames, also covering the LED chip, but exposing remaining portions of the lower surface and the edge surface. And, an appearance of the resin body is an appearance of the LED package.
    Type: Application
    Filed: September 2, 2010
    Publication date: August 11, 2011
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Kazuhiro Inoue, Kazuhisa Iwashita, Teruo Takeuchi, Tatsuo Tonedachi, Hiroaki Oshio, Tetsuro Komatsu, Naoya Ushiyama
  • Publication number: 20110186901
    Abstract: According to one embodiment, an LED package includes a first lead frame, a second lead frame, an LED chip, a wire, and a resin body. The first lead frame and the second lead frame are arranged with a space between each other. The LED chip is provided above the first lead frame and the second lead frame. The LED chip has a first terminal connected to the first lead frame and a second terminal connected to the second lead frame. The wire connects the first terminal to the first lead frame. The resin body covers the LED chip as well as a top surface, a part of a bottom surface, and a part of an edge surface of each of the first lead frame and the second lead frame. A remaining portion of each of the bottom surfaces and a remaining portion of each of the edge surfaces are exposed.
    Type: Application
    Filed: September 3, 2010
    Publication date: August 4, 2011
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Naoya Ushiyama, Kazuhisa Iwashita, Tatsuo Tonedachi, Teruo Takeuchi, Hiroaki Oshio, Tetsuro Komatsu, Gen Watari, Satoshi Shimizu
  • Publication number: 20110186900
    Abstract: According to one embodiment, an LED package includes first and second lead frames, an LED chip and a resin body. The first and second lead frames are apart from each other. The LED chip is provided above the first and second lead frames, and the LED chip has one terminal connected to the first lead frame and another terminal connected to the second lead frame. In addition, the resin body covers the first and second lead frames and the LED chip, and has an upper surface with a surface roughness of 0.15 ?m or higher and a side surface with a surface roughness higher than the surface roughness of the upper surface.
    Type: Application
    Filed: August 3, 2010
    Publication date: August 4, 2011
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Gen Watari, Satoshi Shimizu, Mami Yamamoto, Hidenori Egoshi, Hiroaki Oshio, Tatsuo Tonedachi, Kazuhisa Iwashita, Tetsuro Komatsu, Teruo Takeuchi
  • Patent number: D644190
    Type: Grant
    Filed: December 17, 2010
    Date of Patent: August 30, 2011
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Satoshi Shimizu, Kazuhisa Iwashita, Tatsuo Tonedachi, Kazuhiro Inoue, Teruo Takeuchi
  • Patent number: D644191
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: August 30, 2011
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Satoshi Shimizu, Kazuhisa Iwashita, Tatsuo Tonedachi, Kazuhiro Inoue, Teruo Takeuchi
  • Patent number: D649942
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: December 6, 2011
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Satoshi Shimizu, Kazuhisa Iwashita, Tatsuo Tonedachi, Kazuhiro Inoue, Teruo Takeuchi
  • Patent number: D656110
    Type: Grant
    Filed: June 30, 2011
    Date of Patent: March 20, 2012
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Satoshi Shimizu, Mami Yamamoto, Kazuhisa Iwashita, Kazuhiro Inoue, Teruo Takeuchi
  • Patent number: D656469
    Type: Grant
    Filed: June 30, 2011
    Date of Patent: March 27, 2012
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Satoshi Shimizu, Mami Yamamoto, Kazuhisa Iwashita, Kazuhiro Inoue, Teruo Takeuchi
  • Patent number: D658606
    Type: Grant
    Filed: December 17, 2010
    Date of Patent: May 1, 2012
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Satoshi Shimizu, Kazuhisa Iwashita, Tatsuo Tonedachi, Kazuhiro Inoue, Teruo Takeuchi