Patents by Inventor Tasuku Haketa

Tasuku Haketa 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: 20170012209
    Abstract: A high-performance organic electroluminescence device and an electronic equipment provided with the organic electroluminescence device are provided. Also, a compound for achieving the organic electroluminescence device and the electronic equipment is provided. Specifically, a compound having a specific structure having a triphenylene skeleton, an organic electroluminescence device using the compound and an electronic equipment provided with the organic electroluminescence device are provided.
    Type: Application
    Filed: January 29, 2015
    Publication date: January 12, 2017
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Masahiro KAWAMURA, Yumiko MIZUKI, Hirokatsu ITO, Tomoharu HAYAMA, Tasuku HAKETA
  • Publication number: 20170005274
    Abstract: Disclosed are a compound having, as a main skeleton, a polycyclic structure represented by the following general formula (1), a material for organic electroluminescence devices including the compound, an organic electroluminescence device using the compound, and electronic equipment having the organic electroluminescence device mounted thereon. A compound capable of realizing an organic EL device with high emission efficiency, a material for organic electroluminescence devices including the compound, an organic electroluminescence device using the compound, and electronic equipment having the organic electroluminescence device mounted thereon, are provided. In the formula (1), A, L, X1 to X16, R, RA, and RB are those defined in the specification.
    Type: Application
    Filed: August 14, 2015
    Publication date: January 5, 2017
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Yu KUDO, Kei YOSHIDA, Masahiro KAWAMURA, Yumiko MIZUKI, Hirokatsu ITO, Tasuku HAKETA, Tomoharu HAYAMA
  • Publication number: 20160343950
    Abstract: An organic electroluminescence device having higher performance, in particular exhibiting a better driving voltage and a better external quantum efficiency, while having an extended lifetime; and an electronic equipment provided with the organic electroluminescence device are provided. In addition, a compound for realizing the same device and equipment is provided. Specifically, a compound having a specific structure having a triphenylene skeleton; an organic electroluminescence device using the compound; and an electronic equipment provided with the organic electroluminescence device were provided.
    Type: Application
    Filed: January 29, 2015
    Publication date: November 24, 2016
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Masahiro KAWAMURA, Yumiko MIZUKI, Hirokatsu ITO, Tomoharu HAYAMA, Tasuku HAKETA
  • Publication number: 20160284998
    Abstract: A compound represented by the following formula (1). In the formula (1), at least one of Ar1 to Ar4 is a group represented by the following formula (2).
    Type: Application
    Filed: September 17, 2015
    Publication date: September 29, 2016
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Masahiro KAWAMURA, Yumiko MIZUKI, Hirokatsu ITO, Tasuku HAKETA, Tomoharu HAYAMA, Ryota TAKAHASHI
  • Publication number: 20160268520
    Abstract: An organic electroluminescence device having good emission efficiency is provided. The organic electroluminescence device includes an amine compound which includes a benzofluorene structure and an aryl group and/or a heteroaryl group, wherein the benzofluorene structure has a specific substituent at 9-position of the fluorene ring.
    Type: Application
    Filed: September 19, 2014
    Publication date: September 15, 2016
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Yumiko MIZUKI, Hirokatsu ITO, Tasuku HAKETA, Tomoharu HAYAMA, Masahiro KAWAMURA
  • Publication number: 20160218299
    Abstract: The present invention provides a compound having a fluoranthene skeleton represented by the formula (1); an organic electroluminescence device having plural organic thin film layers including a light-emitting layer between a cathode and an anode, wherein at least one layer of the organic thin film layers contains the compound; and an electronic equipment provided with the organic electroluminescence device. The organic electroluminescence device realizes further lower voltage driving and has high emission efficiency. [In the formula (1), X1 to X10, L, R1 to R9, and n are as stated in the description.
    Type: Application
    Filed: October 1, 2014
    Publication date: July 28, 2016
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Tasuku HAKETA, Masahiro KAWAMURA, Yumiko MIZUKI, Hirokatsu ITO, Tomoharu HAYAMA
  • Publication number: 20160204361
    Abstract: A novel carbazole derivative represented by formula (1) in which two or more groups each having a specific structure, such as a carbazolyl group, are bonded to two or more of 2-, 3- and 4-positions of the carbazole derivative is useful as a material for organic electroluminescence devices. A material for organic electroluminescence devices including the carbazole derivative, an organic electroluminescence device employing the carbazole derivative, and an electronic equipment are described. wherein at least two selected from B1 to B3 are represented by formula (2) and A, X1 to X4, L, n, Y, and R1 to R8 are as defined in claim 1.
    Type: Application
    Filed: September 1, 2014
    Publication date: July 14, 2016
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Yumiko MIZUKI, Hirokatsu ITO, Tasuku HAKETA, Tomoharu HAYAMA, Kazuki NISHIMURA, Masahiro KAWAMURA, Mitsuru SHIBATA
  • Publication number: 20160181543
    Abstract: An organic EL device with high emission efficiency, an electronic equipment including the organic EL device, and a compound providing the organic EL device are provided.
    Type: Application
    Filed: September 19, 2014
    Publication date: June 23, 2016
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Hirokatsu ITO, Masahiro KAWAMURA, Yumiko MIZUKI, Tasuku HAKETA, Tomoharu HAYAMA
  • Publication number: 20160181564
    Abstract: A compound of the invention is represented by a formula (1) below. In the formula (1), Cz is represented by a formula (1a) below and Az is represented by a formula (11) below.
    Type: Application
    Filed: November 13, 2014
    Publication date: June 23, 2016
    Applicant: Idemitsu Kosan Co., Ltd.
    Inventors: Tomoharu HAYAMA, Masahiro KAWAMURA, Yumiko MIZUKI, Hirokatsu ITO, Tasuku HAKETA
  • Publication number: 20160181542
    Abstract: An anthracene derivative is represented by the following formula (1). In the formula (1), one of R11 to R20 is used to bond to L1, and is a single bond. The remainder of R11 to R20 that are not used to bond to L1 are independently a hydrogen atom, a halogen atom, a cyano group, a substituted or unsubstituted alkyl group including 1 to 20 carbon atoms, or the like. L1 is a single bond, a substituted or unsubstituted divalent aromatic hydrocarbon group including 6 to 50 ring carbon atoms, or the like. Z has a structure represented by the following formula (2). In the formula (2), one of R1, R3, and R4 is used to bond to L1, and is a single bond. The remainder of R1, R3, and R4 that are not used to bond to L1, R2, and R5 to R10 are independently a hydrogen atom, a halogen atom, a cyano group, a substituted or unsubstituted alkyl group including 1 to 20 carbon atoms, or the like.
    Type: Application
    Filed: September 3, 2014
    Publication date: June 23, 2016
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Masahiro KAWAMURA, Yumiko MIZUKI, Hirokatsu ITO, Tomoharu HAYAMA, Tasuku HAKETA
  • Publication number: 20160141515
    Abstract: A material for an organic electroluminescence device including a compound represented by any of the formulas (1) to (3):
    Type: Application
    Filed: June 11, 2014
    Publication date: May 19, 2016
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Tomoharu HAYAMA, Masahiro KAWAMURA, Yumiko MIZUKI, Hirokatsu ITO, Tasuku HAKETA
  • Publication number: 20160005977
    Abstract: A heterocyclic compound in which three 5-membered rings are fused to a benzene ring and a saturated or unsaturated ring is further fused to each of the 5-membered rings is a novel material, which is useful as a material for organic electroluminescence devices for the production of organic electroluminescence devices and electronic equipment.
    Type: Application
    Filed: March 28, 2014
    Publication date: January 7, 2016
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Tasuku HAKETA, Masahiro KAWAMURA, Kazuki NISHIMURA, Yumiko MIZUKI
  • Publication number: 20150357576
    Abstract: A fused fluoranthene compound including a specific ring structure at a specific position of a fluoranthene skeleton is a novel material useful as a material for organic electroluminescence devices.
    Type: Application
    Filed: May 30, 2014
    Publication date: December 10, 2015
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Masahiro KAWAMURA, Yumiko MIZUKI, Hirokatsu ITO, Tomoharu HAYAMA, Tasuku HAKETA
  • Publication number: 20150255726
    Abstract: A nitrogen-containing heterocyclic derivative in which an indole structure is fused to a benzophenanthrene ring is a novel material useful as a material for organic electroluminescence devices for the production of organic electroluminescence devices and electronic equipment.
    Type: Application
    Filed: May 19, 2015
    Publication date: September 10, 2015
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Masahiro KAWAMURA, Yumiko MIZUKI, Hirokatsu ITO, Tomoharu HAYAMA, Tasuku HAKETA
  • Publication number: 20140353640
    Abstract: A heterocyclic compound wherein three five-membered rings are fused to one benzene ring and a saturated or unsaturated ring is fused to each five-membered ring. An organic electroluminescence device includes one or more organic thin film layers between an anode and a cathode. The one or more organic thin film layers include a light emitting layer. At least one layer of the one or more organic thin film layers includes the heterocyclic compound.
    Type: Application
    Filed: May 29, 2014
    Publication date: December 4, 2014
    Applicant: Idemitsu Kosan Co., Ltd.
    Inventors: Tasuku HAKETA, Masahiro KAWAMURA, Kazuki NISHIMURA, Yumiko MIZUKI, Hirokatsu ITO, Tomoharu HAYAMA
  • Publication number: 20120015938
    Abstract: The present invention relates to a compound represented by a formula (I): wherein R1 represents a halogen atom or the like; R2 represents a hydrogen atom or the like; R3 and R4 each independently represents lower alkyl; R5 represents phenyl or the like; R6 represents a halogen atom or the like; m is an integer of from 0 to 2; p is an integer of from 1 to 4; and q is an integer of from 1 to 5 as an inhibitor of DGAT1 and its use for the treatment of hyperlipidemia etc.
    Type: Application
    Filed: February 12, 2010
    Publication date: January 19, 2012
    Applicant: MSD K.K.
    Inventors: Masanori Asai, Tasuku Haketa, Seiichi Inamura, Hideki Kurihara, Teruyuki Nishimura, Tadashi Shimamura
  • Publication number: 20110319396
    Abstract: The present invention relates to a compound represented by the formula (I): wherein R1 represents a hydrogen atom or the like; R2 represents lower alkyl or the like; R3 and R4 represent lower alkyl or the like; R5 represents phenyl or the like; R6 represents a hydrogen atom or the like; m is an integer of from 0 to 2; p is an integer of from 1 to 4; and q is an integer of from 1 to 5, or a pharmaceutical acceptable salt thereof, and a DGAT 1 inhibitor comprising the compound.
    Type: Application
    Filed: January 19, 2010
    Publication date: December 29, 2011
    Applicant: MSD K.K.
    Inventors: Masanori Asai, Tasuku Haketa, Seiichi Inamura, Makoto Ishikawa, Hideki Jona, Hiroshi Kawamoto, Hideki Kurihara, Jun Shibata, Tadashi Shimamura, Takuya Suga, Hitomi Watanabe
  • Publication number: 20110065739
    Abstract: Disclosed is a compound represented by formula (I) or a pharmaceutically acceptable salt thereof, which has an agonistic activity on GPR120 and is therefore useful for the treatment of diabetes, obesity or hyperlipemia. [In formula (I), the A represents a phenyl group which may be substituted by a lower alkoxy group or the like; the 13 represents a bivalent group produced by removing two hydrogen atoms from a benzene ring which may be substituted by a halogen atom or the like; X represents a lower alkylene group having 2 to 4 carbon atoms in its main chain or the like, wherein a carbon atom constituting the main chain may be substituted by an oxygen atom or the like; and Y represents a hydrogen atom or the like.
    Type: Application
    Filed: May 28, 2009
    Publication date: March 17, 2011
    Inventors: Makoto Ishikawa, Tasuku Haketa, Chisato Nakama, Teruyuki Nishimura, Jun Shibata, Tadashi Shimamura, Takeru Yamakawa