Patents by Inventor Hisashi Okada

Hisashi Okada 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).

  • Patent number: 11962502
    Abstract: A control apparatus configured to control communication between locations includes a database configured to store, for each location, a key and an IP address of CPE in association with each other, a search section configured to receive a CPE address request message including a key of a communication destination from CPE of a certain location and search the database to acquire an IP address of CPE corresponding to the key of the communication destination, and a response section configured to transmit the IP address of the CPE acquired by the search section to the CPE that is a transmission source of the CPE address request message.
    Type: Grant
    Filed: November 29, 2019
    Date of Patent: April 16, 2024
    Assignee: Nippon Telegraph and Telephone Corporation
    Inventors: Hisashi Kojima, Shingo Okada
  • Patent number: 10547014
    Abstract: The present disclosure relates to compounds of Formula (I) as compounds capable of emitting delayed fluorescence, and uses of the compounds in organic light-emitting diodes.
    Type: Grant
    Filed: June 27, 2018
    Date of Patent: January 28, 2020
    Assignee: KYULUX, INC.
    Inventors: Jorge Aguilera-Iparraguirre, Rafael Gomez-Bombarelli, Timothy D. Hirzel, Hisashi Okada, Yu Seok Yang
  • Patent number: 10415637
    Abstract: A mast spacer provided between a mast bearing and a mast nut in a main shaft of a helicopter, has a cylindrical spacer body. A first end of the mast spacer is a bearing contact end which is fittable to an inner race of the mast bearing. For example, the bearing contact end is provided with bearing projections which are fittable to recesses provided in the inner race of the mast bearing. The spacer body is provided with slits, for example, a spiral slits penetrating its side wall. The slits have a linear shape crossing an axial direction of the cylindrical spacer body.
    Type: Grant
    Filed: November 15, 2016
    Date of Patent: September 17, 2019
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Tomohiro Yamauchi, Hisashi Okada
  • Publication number: 20190006606
    Abstract: The present disclosure relates to compounds of Formula (I) as compounds capable of emitting delayed fluorescence, and uses of the compounds in organic light-emitting diodes.
    Type: Application
    Filed: June 27, 2018
    Publication date: January 3, 2019
    Inventors: Jorge Aguilera-Iparraguirre, Rafael Gomez-Bombarelli, Timothy D. Hirzel, Hisashi Okada, Yu Seok Yang
  • Publication number: 20180370993
    Abstract: The present disclosure relates to compounds of Formula (I) as compounds capable of emitting delayed fluorescence, and uses of the compounds in organic light-emitting diodes.
    Type: Application
    Filed: June 25, 2018
    Publication date: December 27, 2018
    Inventors: Jorge Aguilera-Iparraguirre, Rafael Gomez-Bombarelli, Timothy D. Hirzel, Hisashi Okada, Yu Seok Yang
  • Publication number: 20180340570
    Abstract: A mast spacer provided between a mast bearing and a mast nut in a main shaft of a helicopter, has a cylindrical spacer body. A first end of the mast spacer is a bearing contact end which is fittable to an inner race of the mast bearing. For example, the bearing contact end is provided with bearing projections which are fittable to recesses provided in the inner race of the mast bearing. The spacer body is provided with slits, for example, a spiral slits penetrating its side wall. The slits have a linear shape crossing an axial direction of the cylindrical spacer body.
    Type: Application
    Filed: November 15, 2016
    Publication date: November 29, 2018
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Tomohiro YAMAUCHI, Hisashi OKADA
  • Patent number: 9713515
    Abstract: An artificial teeth packaging container includes an artificial teeth accommodating portion for fixing a plurality of continuously arranged artificial teeth detachably, and holding an arrangement position relation with an adjacent artificial teeth and an arrangement position relation with an upper or lower artificial molar teeth, in which the artificial teeth accommodating portion covers the plurality of artificial teeth from an occlusal plane in a state exposed around a cervical portion.
    Type: Grant
    Filed: May 8, 2014
    Date of Patent: July 25, 2017
    Assignee: KABUSHIKI KAISHA SHOFU
    Inventors: Hisashi Okada, Noriyuki Negoro, Kunihiro Fujii, Hirokazu Sato
  • Publication number: 20140242549
    Abstract: An artificial teeth packaging container includes an artificial teeth accommodating portion for fixing a plurality of continuously arranged artificial teeth detachably, and holding an arrangement position relation with an adjacent artificial teeth and an arrangement position relation with an upper or lower artificial molar teeth, in which the artificial teeth accommodating portion covers the plurality of artificial teeth from an occlusal plane in a state exposed around a cervical portion.
    Type: Application
    Filed: May 8, 2014
    Publication date: August 28, 2014
    Applicant: KABUSHIKI KAISHA SHOFU
    Inventors: Hisashi OKADA, Noriyuki NEGORO, Kunihiro FUJII, Hirokazu SATO
  • Patent number: 8664394
    Abstract: A light-emitting element having excellent light-emitting properties and with which it is possible to emit blue light at a high luminance for a long period of time, and an iridium complex for realizing the same. The light-emitting element has an external quantum efficiency of at least 5% and a light emission maximum wavelength ? max of no more than 500 nm. Further, there is provided a light-emitting element including a light-emitting layer or a plurality of organic compound layers having the light-emitting layer, with at least one of the compound layers including at least one kind of a compound having a partial structure represented by the general formula K-0. In the general formula K-0, R1 to R7 each independently represents a hydrogen atom or a substituent, provided that if R2 is a fluorine atom, R3 is not a hydrogen atom.
    Type: Grant
    Filed: June 15, 2011
    Date of Patent: March 4, 2014
    Assignee: UDC Ireland Limited
    Inventors: Tatsuya Igarashi, Toshihiro Ise, Yousuke Miyashita, Hidetoshi Fujimura, Hisashi Okada, Masayuki Mishima, Qiu Xuepeng
  • Patent number: 8641202
    Abstract: A projection display device includes: a light modulator for modulating light from a light source; a polarizer disposed at a position facing the light modulator; a cooling section for allowing an air to flow in a space between the light modulator and the polarizer; and an air deflector for deflecting the air flowing in the space between the light modulator and the polarizer toward the polarizer.
    Type: Grant
    Filed: September 1, 2009
    Date of Patent: February 4, 2014
    Assignee: SANYO Electric Co., Ltd.
    Inventors: Hisashi Okada, Kazuya Minami, Yosuke Nishihata, Yuji Matsuyama
  • Patent number: 8147986
    Abstract: The invention provides an organic electroluminescent device having at least an organic compound layer provided between a pair of electrodes. The organic electroluminescent device has at least a polymer comprising a metal complex containing a tri- or higher-dentate ligand in the polymer molecule. The metal complex preferably contains a tetra- or higher-dentate ligand in the polymer molecule. At least one of the ligands is preferably a chain. The metal complex preferably contains a transition metal ion or a rare earth metal ion. The metal complex preferably contains a nitrogen atom in its complex structure. Further, the polymer preferably contains the metal complex in its main chain or its side chain.
    Type: Grant
    Filed: September 29, 2006
    Date of Patent: April 3, 2012
    Assignee: Fujifilm Corporation
    Inventor: Hisashi Okada
  • Patent number: 8106581
    Abstract: An organic electroluminescence element including an organic layer including a light-emitting layer disposed between a pair of electrodes, wherein the light-emitting layer contains at least one hole transporting light-emitting material and at least one electron-transporting host material, and a concentration of the hole transporting light-emitting material in the light-emitting layer decreases from an anode side toward a cathode side.
    Type: Grant
    Filed: July 23, 2008
    Date of Patent: January 31, 2012
    Assignee: Fujifilm Corporation
    Inventors: Hisashi Okada, Manabu Tobise, Masaru Kinoshita
  • Patent number: 8048535
    Abstract: An organic electroluminescent device comprising a pair of electrodes and a light emitting layer, a hole transport layer containing a hole transporting material, and an electron transport layer provided between the pair of electrodes wherein, the light emitting layer contains at least two host materials and at least one red phosphorescent material, and the hole transporting material in the hole transport layer has a small ionization potential than the two host materials in the light emitting layer.
    Type: Grant
    Filed: September 8, 2004
    Date of Patent: November 1, 2011
    Assignee: Fujifiilm Corporation
    Inventors: Kazumi Nii, Tatsuya Igarashi, Saisuke Watanabe, Toshihiro Ise, Hisashi Okada
  • Publication number: 20110245502
    Abstract: A light-emitting element having excellent light-emitting properties and with which it is possible to emit blue light at a high luminance for a long period of time, and an iridium complex for realizing the same. The light-emitting element has an external quantum efficiency of at least 5% and a light emission maximum wavelength ? max of no more than 500 nm. Further, there is provided a light-emitting element including a light-emitting layer or a plurality of organic compound layers having the light-emitting layer, with at least one of the compound layers including at least one kind of a compound having a partial structure represented by the general formula K-0. In the general formula K-0, R1 to R7 each independently represents a hydrogen atom or a substituent, provided that if R2 is a fluorine atom, R3 is not a hydrogen atom.
    Type: Application
    Filed: June 15, 2011
    Publication date: October 6, 2011
    Applicant: FUJIFILM Corporation
    Inventors: Tatsuya IGARASHI, Toshihiro ISE, Yousuke MIYASHITA, Hidetoshi FUJIMURA, Hisashi OKADA, Masayuki MISHIMA, Qiu XUEPENG
  • Patent number: 8022212
    Abstract: A light-emitting element having excellent light-emitting properties and with which it is possible to emit blue light at a high luminance for a long period of time, and an iridium complex for realizing the same. The light-emitting element has an external quantum efficiency of at least 5% and a light emission maximum wavelength ? max of no more than 500 nm. Further, there is provided a light-emitting element including a light-emitting layer or a plurality of organic compound layers having the light-emitting layer, with at least one of the compound layers including at least one kind of a compound having a partial structure represented by the general formula K-0. In the general formula K-0, R1 to R7 each independently represents a hydrogen atom or a substituent, provided that if R2 is a fluorine atom, R3 is not a hydrogen atom.
    Type: Grant
    Filed: November 1, 2007
    Date of Patent: September 20, 2011
    Assignee: FUJIFILM Corporation
    Inventors: Tatsuya Igarashi, Toshihiro Ise, Yousuke Miyashita, Hidetoshi Fujimura, Hisashi Okada, Masayuki Mishima, Qiu Xuepeng
  • Patent number: 7960040
    Abstract: An organic electroluminescence device comprising at least an organic layer between a pair of electrodes, wherein the organic electroluminescence device further includes at least an interlocked compound. An organic electroluminescence device exhibiting a high light emission efficiency and excellent driving durability is provided.
    Type: Grant
    Filed: February 23, 2007
    Date of Patent: June 14, 2011
    Assignee: Fujifilm Corporation
    Inventor: Hisashi Okada
  • Patent number: 7839078
    Abstract: The present invention provides an organic electroluminescent element comprising a plurality of organic compound layers between a pair of electrodes and comprising at least a luminescent layer and a buffer layer adjacent to the luminescent layer, the luminescent layer comprising at least two host materials and at least one luminescent material, the buffer layer comprising at least one of the host materials and at least one dopant material having a charge trapping function.
    Type: Grant
    Filed: September 14, 2006
    Date of Patent: November 23, 2010
    Assignee: Fujifilm Corporation
    Inventors: Nobuhiro Nishita, Hisashi Okada
  • Patent number: 7838131
    Abstract: The present invention relates to a light emitting element comprising at least a light emitting layer containing a light emitting material and a host material and having a light emission maximum wavelength of 500 nm or less wherein the minimum excitation triplet energy level of the host material is higher than the minimum excitation triplet energy level of the light emitting material.
    Type: Grant
    Filed: October 28, 2009
    Date of Patent: November 23, 2010
    Assignee: Fujifilm Corporation
    Inventors: Toshihiro Ise, Tatsuya Igarashi, Yousuke Miyashita, Hidetoshi Fujimura, Masayuki Mishima, Hisashi Okada, Qiu Xuepeng
  • Patent number: 7754346
    Abstract: The invention provides an organic electroluminescent device including an organic compound layer provided between a pair of electrodes. The organic compound layer has at least a luminescent layer. The luminescent layer has at least a metal complex containing a tri- or higher-dentate ligand and plurality of host compounds. The metal complex is preferably a metal complex capable of obtaining light emission from a triplet exciton. The ligand of the metal complex is preferably chained or cyclic. Further, an ionization potential of the metal complex is preferably larger than a minimum value out of ionization potentials of the plurality of host compounds.
    Type: Grant
    Filed: November 9, 2005
    Date of Patent: July 13, 2010
    Assignee: Fujifilm Corporation
    Inventor: Hisashi Okada
  • Patent number: D641479
    Type: Grant
    Filed: May 27, 2009
    Date of Patent: July 12, 2011
    Assignee: SHOFU Inc.
    Inventors: Sayaka Ishida, Kunihiro Fujii, Hisashi Okada, Ryuichi Yoshimoto, Noriyuki Negoro, Hirokazu Sato