Patents by Inventor Masayuki Mishima
Masayuki Mishima 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: 9435301Abstract: Provided is a tubular molded foam with a plate portion capable of reliably preventing the occurrence of an unwanted lump on the inside of a tube body even when the molding is manufactured using a molten resin having a high expansion ratio. The tubular molded foam includes a tube body and a plate portion joined with an outside of the tube body. The plate portion has a recess in the vicinity of a joint surface with the tube body.Type: GrantFiled: July 26, 2012Date of Patent: September 6, 2016Assignee: KYORAKU CO., LTD.Inventors: Naoto Tani, Masayuki Mishima, Isao Kimura
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Patent number: 8723414Abstract: An organic electroluminescence device, having a pair of electrodes, and an organic layer containing multiple light emitting layers provided between a pair of electrodes, wherein at least one of the multiple light emitting layers is formed by coating a liquid containing ingredients to constitute the layer in a state of solution or dispersion in an organic solvent through the use of a spraying method.Type: GrantFiled: September 1, 2010Date of Patent: May 13, 2014Assignee: UDC Ireland LimitedInventors: Naoyuki Hayashi, Tomotake Ikada, Masayuki Mishima
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Patent number: 8664394Abstract: 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: GrantFiled: June 15, 2011Date of Patent: March 4, 2014Assignee: UDC Ireland LimitedInventors: Tatsuya Igarashi, Toshihiro Ise, Yousuke Miyashita, Hidetoshi Fujimura, Hisashi Okada, Masayuki Mishima, Qiu Xuepeng
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Publication number: 20130052377Abstract: Provided is a tubular molded foam with a plate portion capable of reliably preventing the occurrence of an unwanted lump on the inside of a tube body even when the molding is manufactured using a molten resin having a high expansion ratio. The tubular molded foam includes a tube body and a plate portion joined with an outside of the tube body. The plate portion has a recess in the vicinity of a joint surface with the tube body.Type: ApplicationFiled: July 26, 2012Publication date: February 28, 2013Applicant: KYORAKU CO., LTD.Inventors: Naoto TANI, Masayuki MISHIMA, Isao KIMURA
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Publication number: 20110245502Abstract: 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: ApplicationFiled: June 15, 2011Publication date: October 6, 2011Applicant: FUJIFILM CorporationInventors: Tatsuya IGARASHI, Toshihiro ISE, Yousuke MIYASHITA, Hidetoshi FUJIMURA, Hisashi OKADA, Masayuki MISHIMA, Qiu XUEPENG
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Patent number: 8022212Abstract: 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: GrantFiled: November 1, 2007Date of Patent: September 20, 2011Assignee: FUJIFILM CorporationInventors: Tatsuya Igarashi, Toshihiro Ise, Yousuke Miyashita, Hidetoshi Fujimura, Hisashi Okada, Masayuki Mishima, Qiu Xuepeng
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Patent number: 8017251Abstract: The invention provides an organic electroluminescent device having one or more organic compound layers between a pair of electrodes, the one or more organic compound layers including at least a luminescent layer, wherein a host material and at least two different luminescent materials including at least one phosphorescent material are contained in the same luminescent layer, and the luminescent layer has a region containing the host material and one luminescent material and a region containing the host material and at least two luminescent materials in the thickness direction of the luminescent layer.Type: GrantFiled: March 24, 2006Date of Patent: September 13, 2011Assignee: Fujifilm CorporationInventors: Kazuki Yamazaki, Masayuki Mishima
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Patent number: 7936123Abstract: An organic light emitting diode comprising a pair of electrodes and a stack including a hole transport layer, a light emitting layer, and an electron transport layer, the stack being intermediate between the electrodes, the light emitting layer being of a material having hole mobility and electron mobility equal to or lower than hole mobility of the hole transport layer and electron mobility of the electron transport layer, respectively.Type: GrantFiled: June 30, 2009Date of Patent: May 3, 2011Assignee: FUJIFILM CorporationInventors: Takafumi Noguchi, Masayuki Mishima
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Patent number: 7911132Abstract: An organic light emitting diode comprising a pair of electrodes and a stack including a hole transport layer, a light emitting layer, and an electron transport layer, the stack being intermediate between the electrodes, the light emitting layer being of a material having hole mobility and electron mobility equal to or lower than hole mobility of the hole transport layer and electron mobility of the electron transport layer, respectively.Type: GrantFiled: June 30, 2009Date of Patent: March 22, 2011Assignee: Fujifilm CorporationInventors: Takafumi Noguchi, Masayuki Mishima
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Publication number: 20110049498Abstract: An organic electroluminescence device, having a pair of electrodes, and an organic layer containing multiple light emitting layers provided between a pair of electrodes, wherein at least one of the multiple light emitting layers is formed by coating a liquid containing ingredients to constitute the layer in a state of solution or dispersion in an organic solvent through the use of a spraying method.Type: ApplicationFiled: September 1, 2010Publication date: March 3, 2011Applicant: FUJIFILM CORPORATIONInventors: Naoyuki HAYASHI, Tomotake IKADA, Masayuki MISHIMA
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Patent number: 7838131Abstract: 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: GrantFiled: October 28, 2009Date of Patent: November 23, 2010Assignee: Fujifilm CorporationInventors: Toshihiro Ise, Tatsuya Igarashi, Yousuke Miyashita, Hidetoshi Fujimura, Masayuki Mishima, Hisashi Okada, Qiu Xuepeng
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Patent number: 7795799Abstract: A light-emitting device which can effectively be utilized as a surface light source for a full-color display, a back light or an illumination light source, or as a light source array in a printer, which shows an excellent light-emitting efficiency and light-emitting luminance, and which is particularly excellent as a white light source showing an excellent light-emitting efficiency and light-emitting luminance. The light-emitting device comprises a substrate having provided thereon at least an anode, an organic compound layer including a light-emitting layer, and a cathode, in which the light-emitting layer contains two or more different kinds of light-emitting materials, with at least one of the light-emitting materials being an orthometallated complex.Type: GrantFiled: May 1, 2001Date of Patent: September 14, 2010Assignee: Fujifilm CorporationInventor: Masayuki Mishima
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Patent number: 7749616Abstract: The present invention provides an organic electroluminescent element including an anode, a cathode, and a plurality of organic compound layers including at least one organic luminescent layer between the anode and the cathode, in which the organic luminescent layer contains a host material and two or more phosphorescent materials; the organic luminescent layer is adjacent to the organic compound layers at both an anode side and a cathode side thereof; the organic compound layer disposed adjacent to the organic luminescent layer at the anode side thereby has a thickness of 50 nm or less in thickness; and the organic compound layer disposed adjacent to organic luminescent layer at the cathode side thereby contains a compound having an ionization potential of 6.0 eV or less. The present invention also provides a display device using the organic electroluminescent element.Type: GrantFiled: July 14, 2005Date of Patent: July 6, 2010Assignee: Fujifilm CorporationInventors: Yoshitaka Kitamura, Kazuki Yamazaki, Masayuki Mishima
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Patent number: 7745017Abstract: An organic electroluminescent device and a method for producing the same, the organic electroluminescent device including a luminescent layer produced by a vapor-deposition method disposed between a pair of electrodes, the luminescent layer containing at least one host material and at least one metal complex including a partial structure represented by formula (I): wherein M represents a metal atom, R1, R2 and R4 to R8 each independently represent a hydrogen atom or a substituent, and R3 represents a group represented by formula (II), an alkoxy group or an aryloxy group: wherein R11 to R13 each independently represent a hydrogen atom or a substituent, provided that at least two of them each independently represent an alkyl group or an aryl group.Type: GrantFiled: June 27, 2005Date of Patent: June 29, 2010Assignee: Fujifilm CorporationInventors: Tetsuo Nakamura, Tatsuya Igarashi, Takeshi Murakami, Masayuki Mishima
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Publication number: 20100044638Abstract: 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: ApplicationFiled: October 28, 2009Publication date: February 25, 2010Applicant: FUJIFILM CORPORATIONInventors: Toshihiro ISE, Tatsuya Igarashi, Yousuke Miyashita, Hidetoshi Fujimura, Masayuki Mishima, Hisasi Okada, Qiu Xuepeng
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Publication number: 20100019664Abstract: An organic electroluminescence panel comprises a supporting substrate, a lower electrode, an organic layer including at least a luminescence layer, an upper electrode, an inorganic layer which has a refractive index in the range of 1.7 to 3.0 and which has a concave-convex structure having a surface roughness of 10 to 10 ?m formed at an outermost surface on a light extraction side, an adhesive layer, and a light extraction substrate formed therein in this order. Preferably, the inorganic layer comprises plural layers, a layer including the outermost surface at the light extraction side is a high-refractive-index layer having a refractive index of 2.1 to 3.0, and at least one of the other layers among the plural layers is a gas barrier layer having higher gas barrier properties than those of the high-refractive-index layer.Type: ApplicationFiled: July 10, 2009Publication date: January 28, 2010Applicant: FUJIFILM CORPORATIONInventor: Masayuki MISHIMA
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Patent number: 7651789Abstract: To provide an organic electroluminescent device which suppresses crystallization of a material to be used in an organic electroluminescent device and which is good in luminous characteristics, device drive durability and storage stability, the organic electroluminescent device has at least one organic layer including a light emitting layer between a pair of electrodes, wherein the light emitting layer contains a compound represented by formula (1) defined in the specification and a light emitting material.Type: GrantFiled: February 18, 2005Date of Patent: January 26, 2010Assignee: Fujifilm CorporationInventors: Jun Ogasawara, Masayuki Mishima
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Patent number: 7635946Abstract: To provide an organic electroluminescent device having excellent durability and having high luminous efficiency and luminance, the organic electroluminescent device includes an organic compound layer containing a hole transport layer, a light emitting layer, a block layer, and an electron transport layer between a pair of electrodes, wherein the block layer contains an electron transport material and an electrically inactive organic compound capable of being subjected to dry film formation and having an energy difference Eg between highest occupied molecular orbital and lowest unoccupied molecular orbital of 4.0 eV or more.Type: GrantFiled: February 25, 2005Date of Patent: December 22, 2009Assignee: Fujifilm CorporationInventors: Masayuki Mishima, Jun Ogasawara
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Patent number: 7632579Abstract: 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: GrantFiled: July 26, 2005Date of Patent: December 15, 2009Assignee: FUJIFILM CorporationInventors: Toshihiro Ise, Tatsuya Igarashi, Yousuke Miyashita, Hidetoshi Fujimura, Masayuki Mishima, Hisashi Okada, Qiu Xuepeng
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Patent number: 7622862Abstract: A light-emitting device comprises a laminate structure having an anode substrate, an anode, at least one organic layer comprising a light-emitting layer, a cathode and a cathode substrate in this order, wherein a water- and/or oxygen-absorbing layer is located between the cathode substrate and the cathode.Type: GrantFiled: August 14, 2003Date of Patent: November 24, 2009Assignee: Fujifilm CorporationInventor: Masayuki Mishima