Patents by Inventor Kei Sakanoue

Kei Sakanoue 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: 8529308
    Abstract: To improve the light emission characteristics of a device when a transition metal oxide is used for the hole injection layer, in particular, to enhance the electron blocking characteristics of a transition metal oxide. An organic electroluminescence element comprising an anode, a cathode and a plurality of functional layers formed between the anode and the cathode, the functional layer containing a layer with a light-emitting function composed of at least one kind of an organic semiconductor and, between the anode and the layer with a light-emitting function, a charge injection layer composed of at least one kind of a transition metal oxide, wherein the ratio of the metal to oxygen at the anode side of the transition metal oxide layer is smaller than the stoichiometric ratio and at the same time, the ratio of the metal to oxygen at the layer with a light-emitting function side is greater than that at the anode side.
    Type: Grant
    Filed: January 31, 2012
    Date of Patent: September 10, 2013
    Assignee: Panasonic Corporation
    Inventors: Kei Sakanoue, Takahiro Komatsu, Takayuki Takeuchi, Kenji Harada
  • Publication number: 20120330047
    Abstract: A problem of the present invention is to prevent a base layer beneath the layer to be irradiated with light from deterioration in property and a functional thin film from deterioration in property as the fine patterning of a functional film is performed with light irradiation. Means for solving the problem is a compound obtained by dimerizing with light irradiation a compound (A) containing a group that has photosensitivity and can be photodimerized and a group having lyophilicity and a compound (B) containing a group that has photosensitivity and can be photodimerized and a group having liquid-repellency.
    Type: Application
    Filed: November 18, 2010
    Publication date: December 27, 2012
    Applicants: SUMITOMO CHEMICAL COMPANY, LIMITED, PANASONIC CORPORATION
    Inventors: Seiji Shinkai, Shuichi Haraguchi, Tomohiro Shiraki, Masashi Ogawa, Shuhei Nakatani, Kei Sakanoue, Osamu Goto, Hidenobu Kakimoto
  • Publication number: 20120319090
    Abstract: A problem of the present invention is to provide a device having good characteristics and long life, wherein a functional thin film is formed in a desired region by a coating method; a thin film transistor; a method for producing the device; and a method for producing the thin film transistor. This problem can be solved by a device comprising: a substrate, a first electrode formed on the substrate, a functional thin film formed above the first electrode, and a second electrode disposed above the functional thin film, characterized by further comprising, in a region surrounding the region where the functional thin film is formed, a film containing a compound in which a group containing fluorine and a ?-conjugated system are bound together by a cycloalkene structure or a cycloalkane structure.
    Type: Application
    Filed: November 18, 2010
    Publication date: December 20, 2012
    Applicants: SUMITOMO CHEMICAL COMPANY, LIMITED, PANASONIC CORPORATION
    Inventors: Seiji Shinkai, Shuichi Haraguchi, Tomohiro Shirake, Masashi Ogawa, Shuhei Nakatani, Kei Sakanoue, Osamu Goto, Hidenobu Kakimoto
  • Patent number: 8261671
    Abstract: A bogie lateral movement-limiting system capable of effectively restricting the lateral movement of a derailed bogie. The system comprises derailment prevention guards (62a, 62b) laid along the inside of paired left and right rails, and a lateral movement-limiting device (52) installed on the lower part of the bogie (30). The device (52) has a stopper (51) projecting downward at a position between the wheels of the bogie and slidingly contacts with the inner surfaces of the derailment prevention guards (62a, 62b) in case of a derailment of bogie.
    Type: Grant
    Filed: March 12, 2007
    Date of Patent: September 11, 2012
    Assignees: Central Japan Railway Company, Nippon Sharyo, Ltd.
    Inventors: Kei Sakanoue, Yoshinori Minami, Toshiki Kunii, Nobuhisa Takada
  • Publication number: 20120178191
    Abstract: To improve the light emission characteristics of a device when a transition metal oxide is used for the hole injection layer, in particular, to enhance the electron blocking characteristics of a transition metal oxide. An organic electroluminescence element comprising an anode, a cathode and a plurality of functional layers formed between the anode and the cathode, the functional layer containing a layer with a light-emitting function composed of at least one kind of an organic semiconductor and, between the anode and the layer with a light-emitting function, a charge injection layer composed of at least one kind of a transition metal oxide, wherein the ratio of the metal to oxygen at the anode side of the transition metal oxide layer is smaller than the stoichiometric ratio and at the same time, the ratio of the metal to oxygen at the layer with a light-emitting function side is greater than that at the anode side.
    Type: Application
    Filed: January 31, 2012
    Publication date: July 12, 2012
    Applicant: PANASONIC CORPORATION
    Inventors: Kei SAKANOUE, Takahiro KOMATSU, Takayuki TAKEUCHI, Kenji HARADA
  • Patent number: 8174009
    Abstract: To provide an organic electroluminescence element including a structure that facilitates manufacturing of a large scale organic EL panel and a manufacturing method thereof, the organic electroluminescence element includes: an anode; a cathode; an organic luminescent layer located between the anode and the cathode; and a hole injection layer located between the anode and the organic luminescent layer. The hole injection layer comprises a mixture of molybdenum oxide and tungsten oxide that contains a molybdenum element in a range of 9 atomic percent to 35 atomic percent.
    Type: Grant
    Filed: September 9, 2009
    Date of Patent: May 8, 2012
    Assignee: Panasonic Corporation
    Inventors: Takahiro Komatsu, Kei Sakanoue, Tetsuro Kondoh, Ryuuta Yamada, Kenichi Nendai, Takayuki Takeuchi
  • Publication number: 20120061656
    Abstract: An organic light-emitting element includes an anode, a functional layer, and a hole injection layer between the anode and the functional layer. The functional layer contains an organic material. The hole injection layer injects holes to the functional layer. The hole injection layer comprises tungsten oxide and includes an occupied energy level that is approximately 1.8 electron volts to approximately 3.6 electron volts lower than a lowest energy level of a valence band of the hole injection layer in terms of binding energy.
    Type: Application
    Filed: November 17, 2011
    Publication date: March 15, 2012
    Applicant: PANASONIC CORPORATION
    Inventors: Satoru OHUCHI, Yoshiaki TSUKAMOTO, Takahiro KOMATSU, Kei SAKANOUE
  • Publication number: 20120037715
    Abstract: Disclosed is a truck lateral motion restricting device which can prevent a large impact from being applied to a stopper when the truck lateral motion restricting device is operated in the derailment. The device comprises a guard angle (52) which is provided along the inside of the rail (51) and a stopper (25) which projects downward from a more inward position than wheels (15) of the truck (11) and is in slidable contact with the inside surface (52a) of the guard angle, wherein the stopper comprises a slidable contact portion (28), which has a slidable contact surface slidable contact with the inside surface of the guard angle, and guide portions (31) which project at front and rear portions of the slidable contact portion and have a front end inclined in a direction separating from the inside surface of the guard angle and a base having a guide slope (31a) provided continuously to the slidable contact surface.
    Type: Application
    Filed: April 22, 2010
    Publication date: February 16, 2012
    Inventors: Kei Sakanoue, Yoshinori Minami, Masahito Adachi, Hironobu Sunami, Nobuhisa Takada, Toru Konokawa
  • Patent number: 7785718
    Abstract: An organic EL device which drives over a wide range from low brightness to high brightness for light source applications, operates stably over a wide range of brightness and has excellent life property is provided. The device comprises at least one pair of electrodes 2 and 5, and a plurality of functional layers disposed between the electrodes 2 and 5, the functional layers comprising a layer 4 having the light emitting function, which is composed of at least one polymeric material and contains an organic solvent and a charge injection layer 3 composed of at least one inorganic material.
    Type: Grant
    Filed: December 15, 2004
    Date of Patent: August 31, 2010
    Assignee: Panasonic Corporation
    Inventors: Ryuichi Yatsunami, Kei Sakanoue
  • Patent number: 7772769
    Abstract: A chip-type light-emitting semiconductor device includes: a substrate 4; a blue LED 1 mounted on the substrate 4; and a luminescent layer 3 made of a mixture of yellow/yellowish phosphor particles 2 and a base material 13 (translucent resin). The yellow/yellowish phosphor particles 2 is a silicate phosphor which absorbs blue light emitted by the blue LED 1 to emit a fluorescence having a main emission peak in the wavelength range from 550 nm to 600 nm, inclusive, and which contains, as a main component, a compound expressed by the chemical formula: (Sr1-a1-b1-xBaa1Cab1Eux)2SiO4 (0?a1?0.3, 0?b1?0.8 and 0<x<1). The silicate phosphor particles disperse substantially evenly in the resin easily. As a result, excellent white light is obtained.
    Type: Grant
    Filed: October 19, 2007
    Date of Patent: August 10, 2010
    Assignee: Panasonic Corporation
    Inventors: Toshihide Maeda, Shozo Oshio, Katsuaki Iwama, Hiromi Kitahara, Tadaaki Ikeda, Hidenori Kamei, Yasuyuki Hanada, Kei Sakanoue
  • Publication number: 20100102310
    Abstract: To provide an organic electroluminescence element including a structure that facilitates manufacturing of a large scale organic EL panel and a manufacturing method thereof, the organic electroluminescence element includes: an anode; a cathode; an organic luminescent layer located between the anode and the cathode; and a hole injection layer located between the anode and the organic luminescent layer. The hole injection layer comprises a mixture of molybdenum oxide and tungsten oxide that contains a molybdenum element in a range of 9 atomic percent to 35 atomic percent.
    Type: Application
    Filed: September 9, 2009
    Publication date: April 29, 2010
    Applicant: PANASONIC CORPORATION
    Inventors: Takahiro KOMATSU, Kei SAKANOUE, Tetsuro KONDOH, Ryuuta YAMADA, Kenichi NENDAI, Takayuki TAKEUCHI
  • Publication number: 20090301343
    Abstract: A bogie lateral movement-limiting system capable of effectively restricting the lateral movement of a derailed bogie. The system comprises derailment prevention guards (62a, 62b) laid along the inside of paired left and right rails, and a lateral movement-limiting device (52) installed on the lower part of the bogie (30). The device (52) has a stopper (51) projecting downward at a position between the wheels of the bogie and slidingly contacts with the inner surfaces of the derailment prevention guards (62a, 62b) in case of a derailment of bogie.
    Type: Application
    Filed: March 12, 2007
    Publication date: December 10, 2009
    Applicant: Central Japan Railway Company
    Inventors: Kei Sakanoue, Yoshinori Minami, Toshiki Kunii, Nobuhisa Takada
  • Patent number: 7629620
    Abstract: A chip-type light-emitting semiconductor device includes: a substrate 4; a blue LED 1 mounted on the substrate 4; and a luminescent layer 3 made of a mixture of yellow/yellowish phosphor particles 2 and a base material 13 (translucent resin). The yellow/yellowish phosphor particles 2 is a silicate phosphor which absorbs blue light emitted by the blue LED 1 to emit a fluorescence having a main emission peak in the wavelength range from 550 nm to 600 nm, inclusive, and which contains, as a main component, a compound expressed by the chemical formula: (Sr1-a1-b1-xBaa1Cab1Eux)2SiO4 (0?a1?0.3, 0?b1?0.8 and 0<x<1). The silicate phosphor particles disperse substantially evenly in the resin easily. As a result, excellent white light is obtained.
    Type: Grant
    Filed: February 9, 2006
    Date of Patent: December 8, 2009
    Assignee: Panasonic Corporation
    Inventors: Toshihide Maeda, Shozo Oshio, Katsuaki Iwama, Hiromi Kitahara, Tadaaki Ikeda, Hidenori Kamei, Yasuyuki Hanada, Kei Sakanoue
  • Publication number: 20090284141
    Abstract: To improve the light emission characteristics of a device when a transition metal oxide is used for the hole injection layer, in particular, to enhance the electron blocking characteristics of a transition metal oxide. An organic electroluminescence element comprising an anode, a cathode and a plurality of functional layers formed between the anode and the cathode, the functional layer containing a layer with a light-emitting function composed of at least one kind of an organic semiconductor and, between the anode and the layer with a light-emitting function, a charge injection layer composed of at least one kind of a transition metal oxide, wherein the ratio of the metal to oxygen at the anode side of the transition metal oxide layer is smaller than the stoichiometric ratio and at the same time, the ratio of the metal to oxygen at the layer with a light-emitting function side is greater than that at the anode side.
    Type: Application
    Filed: May 13, 2009
    Publication date: November 19, 2009
    Applicant: Panasonic Corporation
    Inventors: Kei SAKANOUE, Takahiro KOMATSU, Takayuki TAKEUCHI, Kenji HARADA
  • Publication number: 20090251675
    Abstract: In an exposure device having tiny light emitting elements aligned, a space required for drive circuits and wires is secured without affecting the size or alignment of the light emitting elements for arrangement and wiring of the drive circuits. In this exposure device, the drive circuits are separately arranged outside the column formed by the multiple organic EL elements, and, the length of the region occupied by the circuit exceeds one pitch in the alignment of the organic EL elements, and, the multiple drive circuits are arranged along the column.
    Type: Application
    Filed: July 13, 2006
    Publication date: October 8, 2009
    Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    Inventors: Kenichi Masumoto, Tetsurou Nakamura, Kei Sakanoue
  • Patent number: 7592639
    Abstract: A chip-type light-emitting semiconductor device includes: a substrate 4; a blue LED 1 mounted on the substrate 4; and a luminescent layer 3 made of a mixture of yellow/yellowish phosphor particles 2 and a base material 13 (translucent resin). The yellow/yellowish phosphor particles 2 is a silicate phosphor which absorbs blue light emitted by the blue LED 1 to emit a fluorescence having a main emission peak in the wavelength range from 550 nm to 600 nm, inclusive, and which contains, as a main component, a compound expressed by the chemical formula: (Sr1-a1-b1-xBaa1Cab1Eux)2SiO4 (0?a1?0.3, 0?b1?0.8 and 0<x<1). The silicate phosphor particles disperse substantially evenly in the resin easily. As a result, excellent white light is obtained.
    Type: Grant
    Filed: October 25, 2006
    Date of Patent: September 22, 2009
    Assignee: Panasonic Corporation
    Inventors: Toshihide Maeda, Shozo Oshio, Katsuaki Iwama, Hiromi Kitahara, Tadaaki Ikeda, Hidenori Kamei, Yasuyuki Hanada, Kei Sakanoue
  • Publication number: 20090160325
    Abstract: An organic EL device which drives over a wide range from low brightness to high brightness for light source applications, operates stably over a wide range of brightness and has excellent life property is provided. The device comprises at least one pair of electrodes 2 and 5, and a plurality of functional layers disposed between the electrodes 2 and 5, the functional layers comprising a layer 4 having the light emitting function, which is composed of at least one polymeric material and contains an organic solvent and a charge injection layer 3 composed of at least one inorganic material.
    Type: Application
    Filed: December 19, 2008
    Publication date: June 25, 2009
    Applicant: Panasonic Corporation
    Inventors: Ryuichi YATSUNAMI, Kei Sakanoue
  • Patent number: 7422504
    Abstract: A chip-type light-emitting semiconductor device includes: a substrate 4; a blue LED 1 mounted on the substrate 4; and a luminescent layer 3 made of a mixture of yellow/yellowish phosphor particles 2 and a base material 13 (translucent resin). The yellow/yellowish phosphor particles 2 is a silicate phosphor which absorbs blue light emitted by the blue LED 1 to emit a fluorescence having a main emission peak in the wavelength range from 550 nm to 600 nm, inclusive, and which contains, as a main component, a compound expressed by the chemical formula: (Sr1-a1-b1-xBaa1Cab1Eux)2SiO4 (0?a1?0.3, 0?b1?0.8 and 0<x<1). The silicate phosphor particles disperse substantially evenly in the resin easily. As a result, excellent white light is obtained.
    Type: Grant
    Filed: June 3, 2005
    Date of Patent: September 9, 2008
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Toshihide Maeda, Shozo Oshio, Katsuaki Iwama, Hiromi Kitahara, Tadaaki Ikeda, Hidenori Kamei, Yasuyuki Hanada, Kei Sakanoue
  • Publication number: 20080135862
    Abstract: A chip-type light-emitting semiconductor device includes: a substrate 4; a blue LED 1 mounted on the substrate 4; and a luminescent layer 3 made of a mixture of yellow/yellowish phosphor particles 2 and a base material 13 (translucent resin). The yellow/yellowish phosphor particles 2 is a silicate phosphor which absorbs blue light emitted by the blue LED 1 to emit a fluorescence having a main emission peak in the wavelength range from 550 nm to 600 nm, inclusive, and which contains, as a main component, a compound expressed by the chemical formula: (Sr1-a1-b1-xBaa1Cab1Eux)2SiO4 (0?a1?0.3, 0?b1?0.8 and 0<x<1). The silicate phosphor particles disperse substantially evenly in the resin easily. As a result, excellent white light is obtained.
    Type: Application
    Filed: October 19, 2007
    Publication date: June 12, 2008
    Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    Inventors: Toshihide Maeda, Shozo Oshio, Katsuaki Iwama, Hiromi Kitahara, Tadaaki Ikeda, Hidenori Kamei, Yasuyuki Hanada, Kei Sakanoue
  • Patent number: 7372070
    Abstract: To provide an organic field effect transistor with stable characteristics and a long life span, an organic field effect transistor includes a gate electrode 8 formed on an organic semiconductor film 2 made of an organic semiconductor material with a gate insulating film 3 interposed therebetween; and a source electrode 6 and a drain electrode 7 provided so as to come in contacts with the organic semiconductor film with the gate electrode 8 interposed therebetween. At least one of the source electrode 6 and the drain electrode 7 is formed in contact with the organic semiconductor film 2 with charge injection layers 4 and 5 made of an inorganic material interposed therebetween.
    Type: Grant
    Filed: May 12, 2005
    Date of Patent: May 13, 2008
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Ryuichi Yatsunami, Kei Sakanoue