Patents by Inventor Tatsuya Igarashi

Tatsuya Igarashi 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: 7745021
    Abstract: A light-emitting device comprising a pair of electrodes and one or more organic layers disposed between the electrodes, the one or more organic layers comprising a light-emitting layer. At least one of the organic layers comprises a transition metal complex containing a moiety represented by the following formula (1): wherein M11 represents a transition metal ion; and R11, R12, R13, R14, R15, R16 and R17 represent a substituent or a single bond, respectively, or a tautomer thereof.
    Type: Grant
    Filed: November 8, 2007
    Date of Patent: June 29, 2010
    Assignee: FUJIFILM Corporation
    Inventor: Tatsuya Igarashi
  • Patent number: 7745017
    Abstract: 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: Grant
    Filed: June 27, 2005
    Date of Patent: June 29, 2010
    Assignee: Fujifilm Corporation
    Inventors: Tetsuo Nakamura, Tatsuya Igarashi, Takeshi Murakami, Masayuki Mishima
  • Patent number: 7740956
    Abstract: An organic electroluminescent device comprising: a pair of electrodes; and at least one organic layer between the pair of electrodes, the at least one organic layer between the pair of electrodes, the at least one organic layer including a luminescent layer, wherein the luminescent layer contains at least one electron injection/transport compound, at least one hole injection/transport compound, and at least one green or blue phosphorescent compound; and the electron injection/transport compound and the hole injection/transport compound each has a minimum triplet exciton energy value which is equal to or more than that of the green or blue phosphorescent compound.
    Type: Grant
    Filed: December 26, 2003
    Date of Patent: June 22, 2010
    Assignee: Fujifilm Corporation
    Inventors: Tatsuya Igarashi, Saisuke Watanabe, Toshihiro Ise, Hisashi Okada, Kazumi Nii
  • Patent number: 7737624
    Abstract: An organic electroluminescent device having at least one organic layer containing a light-emitting layer between a pair of electrodes, wherein the organic electroluminescent device contains a compound emitting fluorescence at a time that voltage is applied, and the light emission at the time that voltage is applied is mainly derived from the light emission of a fluorescent compound, and the external quantum efficiency of the device is 6% or more. It is preferable that the organic electroluminescent device contain an amplifying agent performing the function of amplifying the number of singlet excitons generated at the time that voltage is applied, thus amplifying the intensity of the light emission. The amplifying agent is a transition metal complex, in particular, an iridium complex, a platinum complex, a rhenium complex, a ruthenium complex, a palladium complex, a rhodium complex, a copper complex or a rare earth device complex. The compound emitting fluorescence is preferably a fused aromatic compound.
    Type: Grant
    Filed: August 3, 2004
    Date of Patent: June 15, 2010
    Assignee: Fujifilm Corporation
    Inventors: Tatsuya Igarashi, Fumito Nariyuki
  • Patent number: 7736755
    Abstract: An organic electroluminescent device comprising: a pair of electrodes; and at least one organic compound layer including a light emitting layer between the pair of electrodes, wherein the organic compound layer contains a metal complex that has a tridentate or more ligand and two or more metal ions.
    Type: Grant
    Filed: April 24, 2006
    Date of Patent: June 15, 2010
    Assignee: FUJIFILM Corporation
    Inventors: Tatsuya Igarashi, Toshihiro Ise, Takeshi Murakami
  • Patent number: 7733012
    Abstract: A light-emitting device comprising a pair of electrodes and a light-emitting layer or a plurality of organic layers comprising a light-emitting layer disposed therebetween, the light-emitting layer or at least one of a plurality of organic layers comprising the light-emitting layer comprising at least one compound represented by the following general formula (1): wherein each of Ar11, Ar12, Ar13, Ar14 and Ar15 represents an aryl group or a heteroaryl group; Ar represents a benzene ring, a naphthalene ring, a phenanthrene ring or an anthracene ring; at least one of Ar, Ar11, Ar12, Ar13, Ar14 and Ar15 is a condensed aryl group, a condensed or uncondensed heteroaryl group or a group comprising a condensed aryl group or a condensed or uncondensed heteroaryl group; Ar11, Ar12, Ar13, Ar14 and Ar15 are not bonded to each other to form a ring; R11 represents a substituent; and n11 represents an integer of 0 or more.
    Type: Grant
    Filed: February 21, 2008
    Date of Patent: June 8, 2010
    Assignee: FUJIFILM Corporation
    Inventors: Tatsuya Igarashi, Xuepeng Qui
  • Patent number: 7732606
    Abstract: An organic electroluminescent device having a pair of electrodes and at least one organic layer including a light-emitting layer interposed between the pair of electrodes, in which the organic layer contains at least one platinum complex compound having a quadridentate ligand containing a partial structure represented by formula (I): wherein Z1 represents a nitrogen-containing heterocycle coordinated to the platinum through a nitrogen atom; L1 represents a single bond or a linking group; R1, R3 and R4 each independently represent a hydrogen atom or a substituent; and R2 represents a substituent.
    Type: Grant
    Filed: September 26, 2005
    Date of Patent: June 8, 2010
    Assignee: FUJIFILM Corporation
    Inventors: Toshihiro Ise, Satoshi Sano, Tatsuya Igarashi
  • Patent number: 7693155
    Abstract: A communication processing apparatus that performs processing of transmitting streaming data includes a communication control portion examining the state of data communication and performing processing of changing priority information to be defined for send data based on the result of the examination, and a network interface performing processing of outputting data with the priority information. In this case, the communication control portion performs processing of setting a lower priority than a predetermined priority for the streaming data in the initial period of the transmission of streaming data, examination of the state of data communication in a lower-priority-setting period at an examination point functioning as predefined examination timing, and processing of changing the priority setting based on the result of the examination.
    Type: Grant
    Filed: September 1, 2006
    Date of Patent: April 6, 2010
    Assignee: Sony Corporation
    Inventor: Tatsuya Igarashi
  • Publication number: 20100066243
    Abstract: An organic electroluminescent device is provided and includes: a pair of electrodes; and at least one organic layer between the pair of electrodes, the at least one organic layer including a light-emitting layer containing a light-emitting material. The at least one organic layer includes at least one layer containing an indole derivative represented by formula (1). R102, R103, R104, R105 and R106 each independently represents a hydrogen atom or a substituent; R101 represents a substituent linking via a carbon atom; R101 and R106 may be bonded to each other to form a ring; R107 represents a substituent; n101 represents 1 or 2; and n102 represents an integer of from 0 to 5, provided that n101+n102?6.
    Type: Application
    Filed: November 27, 2007
    Publication date: March 18, 2010
    Applicant: FUJIFILM CORPORATION
    Inventors: Tatsuya Igarashi, Kazunari Yagi
  • Publication number: 20100060151
    Abstract: An organic electroluminescent device is provided and includes: a pair of electrodes; and at least one organic layer between the pair of electrodes, the at least one organic layer including a light-emitting layer containing a light-emitting material. The at least one organic layer includes at least one layer containing an indole derivative represented by formula (1). R101, R102, R103, R104 and R105 each independently represents a hydrogen atom or a substituent; R106 represents an alkyl group having a tertiary or quaternary carbon atom; R101 and R106 may be bonded to each other to form a ring; L101 represents a linking group; and n101 represents an integer of 2 or higher.
    Type: Application
    Filed: November 27, 2007
    Publication date: March 11, 2010
    Applicant: FUJIFILM CORPORATION
    Inventors: Tatsuya Igarashi, Kazunari Yagi
  • Publication number: 20100044638
    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: Application
    Filed: October 28, 2009
    Publication date: February 25, 2010
    Applicant: FUJIFILM CORPORATION
    Inventors: Toshihiro ISE, Tatsuya Igarashi, Yousuke Miyashita, Hidetoshi Fujimura, Masayuki Mishima, Hisasi Okada, Qiu Xuepeng
  • Publication number: 20100048506
    Abstract: The present invention provides compositions and methods for treating a joint disease containing as an active ingredient thereof a monovalent metal salt of alginic acid for which the endotoxin level thereof has been lowered to an extent that does not substantially induce inflammation or fever. As a result, it is possible to provide a composition for treating a joint disease which has the effects of protecting cartilage from mechanical irritation, inhibiting degenerative changes in cartilage caused by wear and inflammation, repairing cartilage injuries, suppressing inflammation and pain of joint tissue, inhibiting degeneration of synovial tissue, and inhibiting osteochondral destruction.
    Type: Application
    Filed: August 19, 2009
    Publication date: February 25, 2010
    Inventors: Norimasa Iwasaki, Akio Minami, Yasuhiko Kasahara, Tatsuya Igarashi, Daisuke Kawamura, Nobuo Ohzawa, Mariko Imai
  • Publication number: 20100026174
    Abstract: An organic electroluminescent device is provided and includes: a pair of electrodes; and at least one organic layer between the pair of electrodes, the at least one organic layer including a light-emitting layer. The at least one organic layer includes at least one layer containing an indole derivative represented by formula (1), and the light-emitting layer includes a platinum complex phosphorescent material having a tetradentate ligand. R101, R102, R103, R104, R105, R106 and R107 each independently represents a hydrogen atom or a substituent, provided that R102 and R103 are not bonded to each other to form an aromatic condensed ring.
    Type: Application
    Filed: November 27, 2007
    Publication date: February 4, 2010
    Applicant: FUJIFILM CORPORATION
    Inventors: Tatsuya Igarashi, Kazunari Yagi
  • Publication number: 20100019670
    Abstract: An organic electroluminescent device, which has a pair of electrodes, and at least one organic layer including a luminescent layer between the electrodes, wherein the organic layer contains at least one compound of formula (1): wherein Q11 are atoms for forming a nitrogen-containing hetero ring; Z11 to Z13 each independently represents CR, wherein R represents a substituent, CH or N; n11 is 0 or 1; M11 is a metal or boron ion that may further have a ligand(s); and a compound of formula (6): wherein R63 to R66 each is a hydrogen atom or a substituent; X61 to X64 and Z61 to Z66 each is CR, wherein R represents a substituent, CH or N.
    Type: Application
    Filed: September 30, 2009
    Publication date: January 28, 2010
    Applicant: FUJIFILM CORPORATION
    Inventors: Tatsuya IGARASHI, Kousuke WATANABE, Seiji ICHIJIMA, Toshihiro ISE
  • Publication number: 20100023980
    Abstract: An information processing apparatus includes a content purchase history storage unit in which a content purchase history for each user is stored, a metadata storage unit in which metadata of a plurality of contents is stored, and a metadata retrieval unit to retrieve, upon reception of a metadata retrieval request that is sent from a terminal apparatus of the user via a network and includes information for identifying a user and a retrieval condition, metadata of a content that meets the retrieval condition from the metadata storage unit, judge whether the content retrieved has already been purchased based on the content purchase history of the user that is stored in the content purchase history storage unit, and send a retrieval result of the metadata of the content that includes a judgment result to the terminal apparatus via the network as a metadata retrieval response.
    Type: Application
    Filed: July 15, 2009
    Publication date: January 28, 2010
    Inventors: Yasuaki Yamagishi, Hisato Shima, Tatsuya Igarashi, Kenji Fujisawa, Yoji Kawamoto, Motomasa Futagami, Yukako Nakajima
  • Publication number: 20100015102
    Abstract: The present invention provides a composition for regenerating cartilage or treating a cartilage disease containing a monovalent metal salt of alginic acid for which the endotoxin level thereof has been lowered to an extent that does not substantially induce inflammation or fever. As a result, it is possible to provide a composition for regenerating cartilage that improves cartilage regenerative action and ease of application to a cartilage injury lesion, and a composition for treating a cartilage disease, which has the effects of protecting cartilage from mechanical irritation, inhibiting degenerative changes in cartilage caused by wear and inflammation, repairing a cartilage injury lesion, and inhibiting inflammation and pain of joint tissue.
    Type: Application
    Filed: February 21, 2008
    Publication date: January 21, 2010
    Inventors: Norimasa Iwasaki, Akio Minami, Yasuhiko Kasahara, Tatsuya Igarashi, Daisuke Kawamura, Fumiyoshi Kasahara, Chihiro Miyajima, Nobuo Ohzawa, Mariko Imai
  • Patent number: 7648778
    Abstract: An organic electroluminescent element comprises: a pair of electrodes; and at least one organic compound layer between the pair of electrodes, said at least one organic compound layer comprising a light-emitting layer, wherein the organic luminescent element comprises at least one complex represented by formula (1): wherein M11 represents a hexacoordinate transition metal ion, Y11 represents a nitrogen atom or a substituted or unsubstituted carbon atom, L11 represents a ligand, Q11 and Q12 each represents an atomic group for forming a nitrogen-containing heterocyclic ring, n11 represents an integer of 1 to 3, n12 represents an integer of 0 to 4, X11 represents a counter ion, and n13 represents an integer of 0 to 3.
    Type: Grant
    Filed: August 15, 2006
    Date of Patent: January 19, 2010
    Assignee: FUJIFILM Corporation
    Inventors: Tatsuya Igarashi, Takeshi Murakami
  • Patent number: 7641987
    Abstract: An organic electroluminescent device comprising: a pair of electrodes; and at least one organic compound layer between the pair of electrodes, the at least one organic compound layer including a light emitting layer, wherein the light emitting layer contains at least one host material and at least one luminescent material, and the host material is a compound represented by the formula (I) as defined herein.
    Type: Grant
    Filed: April 5, 2007
    Date of Patent: January 5, 2010
    Assignee: FujiFilm Corporation
    Inventors: Tatsuya Igarashi, Toshihiro Ise
  • Publication number: 20090309490
    Abstract: An organic electroluminescent device having a pair of electrodes and at least one organic layer including a light-emitting layer interposed between the pair of electrodes, in which the organic layer contains at least one platinum complex compound having a quadridentate ligand containing a partial structure represented by formula (I): wherein Z1 represents a nitrogen-containing heterocycle coordinated to the platinum through a nitrogen atom; L1 represents a single bond or a linking group; R1, R3 and R4 each independently represent a hydrogen atom or a substituent; and R2 represents a substituent.
    Type: Application
    Filed: February 27, 2009
    Publication date: December 17, 2009
    Inventors: Toshihiro ISE, Satoshi Sano, Tatsuya Igarashi
  • Patent number: 7632579
    Abstract: 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: July 26, 2005
    Date of Patent: December 15, 2009
    Assignee: FUJIFILM Corporation
    Inventors: Toshihiro Ise, Tatsuya Igarashi, Yousuke Miyashita, Hidetoshi Fujimura, Masayuki Mishima, Hisashi Okada, Qiu Xuepeng