Patents by Inventor Satoru Shiobara
Satoru Shiobara 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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Publication number: 20120020632Abstract: An optical fiber cable includes an elongated optical element portion having an optical fiber, a pair of tensile strength members and an outer jacket. The optical fiber is composed of one or more plastic coated optical fibers, tight-buffered optical fibers or optical ribbon fibers. The pair of tensile strength members is arranged in parallel at both sides of the optical fiber in a width direction of the optical fiber. The outer jacket covers outer circumferences of the optical fiber and the pair of tensile strength members. A frictional coefficient of the outer jacket is equal to or less than 0.20. Shore D hardness of the outer jacket is equal to or more than 60.Type: ApplicationFiled: July 27, 2011Publication date: January 26, 2012Applicants: NIPPON TELEGRAPH AND TELEPHONE CORPORATION, FUJIKURA LTD.Inventors: Satoru SHIOBARA, Shimei TANAKA, Tadayoshi SAYAMA, Daiki TAKEDA, Masashi OHNO, Naoki OKADA, Keiichiro SUGIMOTO, Shinichi NIWA
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Patent number: 8076841Abstract: An organic electroluminescent display apparatus having organic electroluminescent devices each of which is excellent in color reproducibility and has high emission efficiency in which green organic electroluminescent devices each have a delayed fluorescent material and a microcavity, and the hole transport layer of each of the devices has the same thickness as that of the hole transport layer of each of blue organic electroluminescent devices.Type: GrantFiled: October 5, 2009Date of Patent: December 13, 2011Assignee: Canon Kabushiki KaishaInventors: Satoru Shiobara, Toshifumi Mori, Kenichi Ikari, Koichi Suzuki, Akira Tsuboyama
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Patent number: 8076681Abstract: A high-efficiency, white organic electroluminescent device has such a structure that its emission layer is obtained by laminating sub-emission layers of red, green, and blue, respectively. The green sub-emission layer contacting a hole transport layer has a delayed fluorescent material, and the red sub-emission layer has a phosphorescent light emitting material.Type: GrantFiled: October 5, 2009Date of Patent: December 13, 2011Assignee: Canon Kabushiki KaishaInventors: Toshifumi Mori, Koichi Suzuki, Akira Tsuboyama, Satoru Shiobara, Kenichi Ikari
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Publication number: 20110262085Abstract: This optical fiber cable is provided with a covering resin including an outermost layer. The outermost layer is formed by a resin composition including: (a) a base resin prepared by adding at least one copolymer selected from an ethylene-vinyl acetate copolymer and an ethylene-ethyl acrylate copolymer to a high density polyethylene; (b) 25 to 90 parts by weight of a phosphate salt with respect to 100 parts by weight of the base resin; and (c) 0.75 to 15 parts by weight of either a silicone dispersed polyethylene or a silicone grafted polyethylene with respect to 100 parts by weight of the base resin.Type: ApplicationFiled: May 17, 2011Publication date: October 27, 2011Applicants: NIPPON TELEGRAPH AND TELEPHONE CORPORATION, FUJIKURA LTD.Inventors: Daiki TAKEDA, Naoki OKADA, Satoru SHIOBARA, Tadayoshi SAYAMA, Shimei TANAKA, Katsuyoshi ENDOH, Keiichiro SUGIMOTO, Shinichi NIWA
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Patent number: 8007925Abstract: The present invention provides an organic electroluminescence device using a novel phosphorescent metal complex compound and having high efficiency, high luminance, and high durability. The organic electroluminescence device includes a pair of electrodes including an anode and a cathode, and one or more organic layers each containing an organic compound, the one or more organic layers being interposed between the pair of electrodes, wherein at least one of the one or more organic layers contain a phosphorescent metal complex compound having at least one ligand structure represented by the following general formula (1): where at least one of X, Y and Z represents an aromatic oligomer having 13 or more carbon atoms and bonded directly or via a linking group.Type: GrantFiled: June 7, 2007Date of Patent: August 30, 2011Assignee: Canon Kabushiki KaishaInventors: Taiki Watanabe, Akira Tsuboyama, Satoru Shiobara, Koichi Suzuki, Kazunori Ueno
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Patent number: 7928650Abstract: Provided is an organic EL display apparatus including an organic EL device having a delayed fluorescence material which has good internal quantum efficiency and an organic EL device having a phosphorescent material. A soaking unit is provided in a plane in which the organic EL devices are provided.Type: GrantFiled: October 5, 2009Date of Patent: April 19, 2011Assignee: Canon Kabushiki KaishaInventors: Toshifumi Mori, Koichi Suzuki, Akira Tsuboyama, Satoru Shiobara, Kenichi Ikari
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Patent number: 7794856Abstract: Provided is an organic light-emitting device which has an optical output with high emission efficiency and high luminance and which includes a pair of electrodes, and at least one layer including an organic compound and interposed between the electrodes, wherein the at least one layer including the organic compound includes an oligofluorene compound represented by the following general formula. At least a light-emitting layer of the at least one layer including the organic compound includes the oligofluorene compound and a light-emitting compound selected from a fluorescent compound and a phosphorescent compound. A weight ratio (B/A) of the light-emitting compound (B) selected from the fluorescent compound and the phosphorescent compound to the oligofluorene compound (A) is 1/100 or more and 100/100 or less.Type: GrantFiled: June 7, 2007Date of Patent: September 14, 2010Assignee: Canon Kabushiki KaishaInventors: Satoru Shiobara, Koichi Suzuki, Kazunori Ueno
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Publication number: 20100133521Abstract: Provided is an organic light-emitting device having a high emission efficiency and a long lifetime. The organic light-emitting device (10) includes an anode (2), a cathode (6), and a stack body including at least a light-emitting layer (4) and interposed between the anode (2) and the cathode (6), in which the light-emitting layer (4) includes an oligomer material and a polymer material.Type: ApplicationFiled: September 12, 2008Publication date: June 3, 2010Applicant: CANON KABUSHIKI KAISHAInventors: Shunsuke Shioya, Satoru Shiobara
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Patent number: 7723915Abstract: An organic light-emitting device adapted for coating and having good emission efficiency and luminance. The organic light-emitting device employs an anode, a cathode, and a layer including an organic compound sandwiched between the anode and cathode. The layer containing the organic compound includes a bisfluorene compound represented by General Formula [1] below. wherein in Formula [1], A is a substituted or unsubstituted alkylene group, a substituted or unsubstituted cycloalkylene group, a substituted silylene group, a substituted germylene group, an oxygen atom, and a sulfur atom.Type: GrantFiled: September 5, 2008Date of Patent: May 25, 2010Assignee: Canon Kabushiki KaishaInventors: Yohei Iwasaki, Taiki Watanabe, Satoru Shiobara, Koichi Suzuki, Kazunori Ueno
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Publication number: 20100090592Abstract: An organic electroluminescent display apparatus having organic electroluminescent devices each of which is excellent in color reproducibility and has high emission efficiency in which green organic electroluminescent devices each have a delayed fluorescent material and a microcavity, and the hole transport layer of each of the devices has the same thickness as that of the hole transport layer of each of blue organic electroluminescent devices.Type: ApplicationFiled: October 5, 2009Publication date: April 15, 2010Applicant: CANON KABUSHIKI KAISHAInventors: Satoru Shiobara, Toshifumi Mori, Kenichi Ikari, Koichi Suzuki, Akira Tsuboyama
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Publication number: 20100090238Abstract: A high-efficiency, white organic electroluminescent device has such a structure that its emission layer is obtained by laminating sub-emission layers of red, green, and blue, respectively. The green sub-emission layer contacting a hole transport layer has a delayed fluorescent material, and the red sub-emission layer has a phosphorescent light emitting material.Type: ApplicationFiled: October 5, 2009Publication date: April 15, 2010Applicant: CANON KABUSHIKI KAISHAInventors: Toshifumi Mori, Koichi Suzuki, Akira Tsuboyama, Satoru Shiobara, Kenichi Ikari
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Publication number: 20100090209Abstract: Provided is an organic EL display apparatus which can be driven at a low voltage and in which a red-light-emitting device uses a phosphorescent material, a green-light-emitting device uses a delayed fluorescent material, and the same material is used in the hole transport layers of the respective devices.Type: ApplicationFiled: October 5, 2009Publication date: April 15, 2010Applicant: CANON KABUSHIKI KAISHAInventors: Kenichi Ikari, Akira Tsuboyama, Koichi Suzuki, Satoru Shiobara, Toshifumi Mori
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Publication number: 20100090593Abstract: Provided is an organic EL display apparatus including an organic EL device having a delayed fluorescence material which has good internal quantum efficiency and an organic EL device having a phosphorescent material. A soaking unit is provided in a plane in which the organic EL devices are provided.Type: ApplicationFiled: October 5, 2009Publication date: April 15, 2010Applicant: CANON KABUSHIKI KAISHAInventors: Toshifumi Mori, Koichi Suzuki, Akira Tsuboyama, Satoru Shiobara, Kenichi Ikari
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Publication number: 20090082439Abstract: An organic light-emitting device adapted for coating and having good emission efficiency and luminance. The organic light-emitting device employs an anode, a cathode, and a layer including an organic compound sandwiched between the anode and cathode. The layer containing the organic compound includes a bisfluorene compound represented by General Formula [1] below. wherein in Formula [1], A is a substituted or unsubstituted alkylene group, a substituted or unsubstituted cycloalkylene group, a substituted silylene group, a substituted germylene group, an oxygen atom, and a sulfur atom.Type: ApplicationFiled: September 5, 2008Publication date: March 26, 2009Applicant: CANON KABUSHIKI KAISHAInventors: Yohei Iwasaki, Taiki Watanabe, Satoru Shiobara, Koichi Suzuki, Kazunori Ueno
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Publication number: 20080220289Abstract: There is provided an organic light emitting device including: an anode, a cathode, and layer containing an organic compound, the layer being interposed between the anode and the cathode, in which the layer containing an organic compound contains at least one kind of the oligofluorene compound represented by the following general formula (I): wherein: R1 and R2 each represent an alkyl group, and may be identical to or different from each other, and R1's and R2's by which different fluorene rings are substituted may be identical to or different from each other, provided that at least four substituents of all substituents each represented by R1 or R2 are each an alkyl group having 4 or more carbon atoms, and at least four substituents of all the substituents are each an alkyl group having 1 or 2 carbon atoms; and n represents an integer of 4 to 10.Type: ApplicationFiled: February 25, 2008Publication date: September 11, 2008Applicant: CANON KABUSHIKI KAISHAInventors: Shunsuke Shioya, Koichi Suzuki, Satoru Shiobara
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Patent number: 7421169Abstract: An optical fiber cable that sustains reduced increase in transmission loss and optical fiber breakage when subject to external pressure exerted thereon, comprises an aggregate of elements including central buffer filaments disposed in the center part of the optical fiber cable and a plurality of optical fibers disposed around the central buffer filaments, as well as circumferential strength filaments disposed around the outer periphery of the aggregate of elements, and a sheath covering the circumferential strength filaments.Type: GrantFiled: June 18, 2004Date of Patent: September 2, 2008Assignee: Fujikura Ltd.Inventors: Takeshi Honjo, Satoru Shiobara, Tsuyoshi Shimomichi, Keiji Ohashi
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Publication number: 20070292717Abstract: The present invention provides an organic electroluminescence device using a novel phosphorescent metal complex compound and having high efficiency, high luminance, and high durability. The organic electroluminescence device includes a pair of electrodes including an anode and a cathode, and one or more organic layers each containing an organic compound, the one or more organic layers being interposed between the pair of electrodes, wherein at least one of the one or more organic layers contain a phosphorescent metal complex compound having at least one ligand structure represented by the following general formula (1): where at least one of X, Y and Z represents an aromatic oligomer having 13 or more carbon atoms and bonded directly or via a linking group.Type: ApplicationFiled: June 7, 2007Publication date: December 20, 2007Applicant: CANON KABUSHIKI KAISHAInventors: Taiki Watanabe, Akira Tsuboyama, Satoru Shiobara, Koichi Suzuki, Kazunori Ueno
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Publication number: 20070292716Abstract: Provided is an organic light-emitting device which has an optical output with high emission efficiency and high luminance and which includes a pair of electrodes, and at least one layer including an organic compound and interposed between the electrodes, wherein the at least one layer including the organic compound includes an oligofluorene compound represented by the following general formula. At least a light-emitting layer of the at least one layer including the organic compound includes the oligofluorene compound and a light-emitting compound selected from a fluorescent compound and a phosphorescent compound. A weight ratio (B/A) of the light-emitting compound (B) selected from the fluorescent compound and the phosphorescent compound to the oligofluorene compound (A) is 1/100 or more and 100/100 or less.Type: ApplicationFiled: June 7, 2007Publication date: December 20, 2007Applicant: CANON KABUSHIKI KAISHAInventors: Satoru Shiobara, Koichi Suzuki, Kazunori Ueno
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Publication number: 20070257603Abstract: A novel fluorene compound is provided which has at least one fluorene group represented by the following general formula [III] or [IV]:Type: ApplicationFiled: January 29, 2007Publication date: November 8, 2007Applicant: CANON KABUSHIKI KAISHAInventors: Koichi Suzuki, Kazunori Ueno, Hiroshi Tanabe, Satoru Shiobara
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Patent number: 6973243Abstract: A cable wherein even when there is a substantial volume of cable identifying information for identifying the cable, all of that cable identifying information can be simply and speedily written-in. This cable has a cable core, an integrated member with a chain of RFIDs including a plurality of RFID elements arranged at suitable intervals along a longitudinal direction of the cable core, to and from which cable identifying information can be written-in and read-out by transmission of electromagnetic energy, and a transmission coaxial cable for collectively writing-in cable identifying information to all of the RFID elements.Type: GrantFiled: January 28, 2004Date of Patent: December 6, 2005Assignee: Fujikura Ltd.Inventors: Osamu Koyasu, Kazunaga Kobayashi, Satoru Shiobara, Ken Osato, Masashi Hara, Shimei Tanaka, Takeshi Honjo, Keiji Ohashi