Patents by Inventor Kazuki Abe

Kazuki Abe 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: 20180329264
    Abstract: A semiconductor device according to an embodiment of the disclosure includes: a first substrate; a TFT element provided on the first substrate with a first interlayer insulating layer interposed therebetween, and including a semiconductor layer and a gate electrode that is provided on the semiconductor layer with a gate insulating layer interposed therebetween; and a second substrate disposed to face the first substrate. The gate electrode includes a first electroconductive film and a second electroconductive film that has a light-shielding property in order from side of the semiconductor layer. The second electroconductive film extends from a side face to a bottom face of each of a pair of openings that are provided to interpose the semiconductor layer.
    Type: Application
    Filed: October 27, 2016
    Publication date: November 15, 2018
    Applicant: Sony Corporation
    Inventors: Kazuki Abe, Shinya Inage, Nobuhiko Oda, Masahiro Kaida, Moriyasu Nagura
  • Patent number: 10094290
    Abstract: A two-shaft gas turbine is provided which includes: a compressor; a combustor having multiple fuel systems and generating combustion gas by combusting fuels from the fuel systems and air compressed by the compressor; a high-pressure turbine coupled coaxially with the compressor and rotated by the combustion gas; a low-pressure turbine having a shaft structure independent of the high-pressure turbine and rotated by exhaust gas from the high-pressure turbine; an air extraction channel for extracting the air compressed by the compressor; an injection flow channel for feeding the air extracted through the air extraction channel back to the combustor; and a controller for controlling the flow rate of the fuel supplied to each of the fuel systems based on the air flow rate of the compressor, on the flow rate of the fuel supplied to the combustor, and on the temperature of the air in the injection flow channel.
    Type: Grant
    Filed: July 2, 2015
    Date of Patent: October 9, 2018
    Assignee: Mitsubishi Hitachi Power Systems, Ltd.
    Inventors: Tomomi Koganezawa, Kazuki Abe
  • Publication number: 20180284578
    Abstract: A multidirectional drive device includes: a driven member that comprises a spherical surface having depressions and protrusions; a rotation driving part that is in contact with the spherical surface of the driven member and rotates the driven member; and a supporting member that is fixed to the driven member and supports an operated body. At least either one of a position and an orientation of the operated body is adjusted by rotation of the driven member.
    Type: Application
    Filed: September 29, 2016
    Publication date: October 4, 2018
    Applicant: NEC Embedded Products, Ltd.
    Inventors: Tomomi MATSUDA, Riichiro TADAKUMA, Hiroto SAITO, Kazuki ABE
  • Patent number: 10060625
    Abstract: In a perforated coaxial jet burner implemented by a lot of air-fuel coaxial jets, a swirl plate (33) as an end face of the burner on the combustion chamber's side has a lot of air holes for supplying unburned premixed gas of fuel and air to the combustion chamber. Grooves (36) are formed downstream of the air holes of the swirl plate. Adhesion of flame to the swirl plate is inhibited by feeding part of the unburned premixed gas to the grooves. Further, the width of each remaining part (37) between adjacent grooves is set at several millimeters that is approximately equal to the flame quenching distance, by which adhesion of flame to the remaining parts is also prevented. With this configuration, both stable combustion and low NOx combustion can be achieved irrespective of the load condition.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: August 28, 2018
    Assignee: Mitsubishi Hitachi Power Systems, Ltd.
    Inventors: Kazuki Abe, Tomomi Koganezawa, Keisuke Miura
  • Patent number: 10041678
    Abstract: A combustor has at least one premixing burner for premixing fuel with air and jetting the mixed gas into a chamber for combustion. A cylinder attached to an outer circumferential portion of an end face of the burner is provided with air supply holes. An interval D1 defined between the adjacent air supply holes and an interval D2 defined between each air supply hole and the end face of the burner are each made narrower than the quenching distance in the premixed gas jetted from the premixing burner.
    Type: Grant
    Filed: September 5, 2013
    Date of Patent: August 7, 2018
    Assignee: Mitsubishi Hitachi Power Systems, Ltd.
    Inventors: Keisuke Miura, Satoshi Dodo, Tomomi Koganezawa, Yoshitaka Hirata, Kazuki Abe
  • Patent number: 10018359
    Abstract: A gas turbine combustor 2 according to the present invention comprises: a combustion chamber 50 in which fuel is burned with air to generate combustion gas; a plurality of fuel nozzles 30 arranged in multiple concentric annular rows; a first plate 32 arranged downstream of the fuel nozzles 30 and having multiple concentric circular air hole rows made up of a plurality of air holes corresponding to the fuel nozzles 30; a second plate 33 arranged downstream of the first plate 32 and having multiple air hole rows corresponding to the air hole rows of the first plate 32; and a partition wall part 37 which partitions a space part 46 between the first plate 32 and the second plate 33 into rooms corresponding to the air hole rows.
    Type: Grant
    Filed: November 5, 2013
    Date of Patent: July 10, 2018
    Assignee: Mitsubishi Hitachi Power Systems, Ltd.
    Inventors: Kazuki Abe, Tomomi Koganezawa, Keisuke Miura
  • Patent number: 9995223
    Abstract: A fuel control device and method of a gas turbine combustor, for advanced humid air turbines, in which plural combustion units comprising plural fuel nozzles for supplying fuel and plural air nozzles for supplying air for combustion are provided. A part of the plural combustion units are more excellent in flame stabilizing performance than the other combustion units. A fuel ratio, at which fuel is fed to the part of the combustion units is set on the basis of internal temperature of the humidification tower and internal pressure of the humidification tower to control a flow ratio of the fuel fed to the plural combustion units.
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: June 12, 2018
    Assignee: Mitsubishi Hitachi Power Systems, Ltd.
    Inventors: Kazuki Abe, Tomomi Koganezawa
  • Publication number: 20180112879
    Abstract: The gas turbine combustor includes a swirler lip on the air hole plate periphery, protruding toward a chamber, and a spring seal in an area for fitting the liner and the plate/lip. The spring seal has an air hole for passage of part of the combustion air introduced in the gap between the outer periphery of the air hole plate and the liner. The swirler lip has an air hole which introduces part of the combustion air passing through the spring seal air hole into the chamber. The liner has an air hole facing the spring seal air hole, to introduce part of air from outside the liner into the gap between the outer periphery of the air hole plate and the liner. A turn guide for rectifying a combustion air flow is provided at the liner end portion on the side for fitting the liner and air hole plate.
    Type: Application
    Filed: October 23, 2017
    Publication date: April 26, 2018
    Inventors: Keisuke MIURA, Yasuhiro AKIYAMA, Tomohiro ASAI, Kazuki ABE, Mitsuhiro KARISHUKU, Satoshi DODO, Akinori HAYASHI, Yoshitaka HIRATA, Noboru OKUYAMA
  • Publication number: 20170074519
    Abstract: A gas turbine combustor includes: an inner casing; an outer casing; an annular flow path disposed between the inner casing and the outer casing; a fuel header; a plurality of fuel nozzles supported concentrically on the fuel header; an air hole plate having a plurality of air holes associated with the respective fuel nozzles; a guide having a wall portion and a bent portion; and an outer peripheral flow path defined between the outer peripheral surface of the air hole plate and the inner casing.
    Type: Application
    Filed: August 30, 2016
    Publication date: March 16, 2017
    Inventors: Kazuki ABE, Tomomi KOGANEZAWA, Keisuke MIURA
  • Patent number: 9464809
    Abstract: Disclosed is a gas turbine combustor equipped with a burner constructed to fire a plurality of combustors at the same time at a fuel/air ratio suitable for gas turbine ignition. A plurality of supports mounted for fixing an air injection hole plate to the combustor are provided at substantially the same phase position as that of cross fire tubes, and combustion air allocations are adjusted. Thus, flame propagation during gas turbine ignition is accelerated and all combustor cans are fired. In addition, porous plates are disposed downstream of the supports and the combustion air allocations are readjusted. Furthermore, air injection holes proximate to the cross fire tubes are particularly reduced in diameter to further adjust the combustion air allocations.
    Type: Grant
    Filed: July 2, 2013
    Date of Patent: October 11, 2016
    Assignee: Mitsubishi Hitachi Power Systems, Ltd.
    Inventors: Kazuki Abe, Tomomi Koganezawa, Takeo Saito, Keisuke Miura
  • Publication number: 20160290646
    Abstract: A gas turbine combustor 2 according to the present invention comprises: a combustion chamber 50 in which fuel is burned with air to generate combustion gas; a plurality of fuel nozzles 30 arranged in multiple concentric annular rows; a first plate 32 arranged downstream of the fuel nozzles 30 and having multiple concentric circular air hole rows made up of a plurality of air holes corresponding to the fuel nozzles 30; a second plate 33 arranged downstream of the first plate 32 and having multiple air hole rows corresponding to the air hole rows of the first plate 32; and a partition wall part 37 which partitions a space part 46 between the first plate 32 and the second plate 33 into rooms corresponding to the air hole rows.
    Type: Application
    Filed: November 5, 2013
    Publication date: October 6, 2016
    Inventors: Kazuki ABE, Tomomi KOGANEZAWA, Keisuke MIURA
  • Patent number: 9334808
    Abstract: A fuel control device and method of a gas turbine combustor, for advanced humid air turbines, in which plural combustion units comprising plural fuel nozzles for supplying fuel and plural air nozzles for supplying air for combustion are provided. A part of the plural combustion units are more excellent in flame stabilizing performance than the other combustion units. A fuel ratio, at which fuel is fed to the part of the combustion units is set on the basis of internal temperature of the humidification tower and internal pressure of the humidification tower to control a flow ratio of the fuel fed to the plural combustion units.
    Type: Grant
    Filed: August 4, 2011
    Date of Patent: May 10, 2016
    Assignee: Mitsubishi Hitachi Power Systems, Ltd.
    Inventors: Kazuki Abe, Tomomi Koganezawa
  • Publication number: 20160010864
    Abstract: In a perforated coaxial jet burner implemented by a lot of air-fuel coaxial jets, a swirl plate (33) as an end face of the burner on the combustion chamber's side has a lot of air holes for supplying unburned premixed gas of fuel and air to the combustion chamber. Grooves (36) are formed downstream of the air holes of the swirl plate. Adhesion of flame to the swirl plate is inhibited by feeding part of the unburned premixed gas to the grooves. Further, the width of each remaining part (37) between adjacent grooves is set at several millimeters that is approximately equal to the flame quenching distance, by which adhesion of flame to the remaining parts is also prevented. With this configuration, both stable combustion and low NOx combustion can be achieved irrespective of the load condition.
    Type: Application
    Filed: March 13, 2013
    Publication date: January 14, 2016
    Inventors: Kazuki ABE, Tomomi KOGANEZAWA, Keisuke MIURA
  • Publication number: 20160003155
    Abstract: A two-shaft gas turbine is provided which includes: a compressor; a combustor having multiple fuel systems and generating combustion gas by combusting fuels from the fuel systems and air compressed by the compressor; a high-pressure turbine coupled coaxially with the compressor and rotated by the combustion gas; a low-pressure turbine having a shaft structure independent of the high-pressure turbine and rotated by exhaust gas from the high-pressure turbine; an air extraction channel for extracting the air compressed by the compressor; an injection flow channel for feeding the air extracted through the air extraction channel back to the combustor; and a controller for controlling the flow rate of the fuel supplied to each of the fuel systems based on the air flow rate of the compressor, on the flow rate of the fuel supplied to the combustor, and on the temperature of the air in the injection flow channel.
    Type: Application
    Filed: July 2, 2015
    Publication date: January 7, 2016
    Inventors: Tomomi KOGANEZAWA, Kazuki ABE
  • Patent number: 9074772
    Abstract: This invention is directed to supply a combustor having a structure that reduces NOx emissions while maintaining combustion stability. The combustor has a chamber into which fuel and air are supplied. An air hole plate having a plurality of air holes upstream of the chamber is also disclosed, and fuel nozzles supplying fuel to the air holes of the air hole plate are further disclosed. In the combustor, a center of a chamber-side of the air hole plate is closer to the chamber than exits of outermost peripheral air holes.
    Type: Grant
    Filed: September 29, 2010
    Date of Patent: July 7, 2015
    Assignee: Mitsubishi Hitachi Power Systems, Ltd.
    Inventors: Keisuke Miura, Satoshi Dodo, Kazuki Abe, Tomomi Koganezawa
  • Publication number: 20150075174
    Abstract: A fuel control device and method of a gas turbine combustor, for advanced humid air turbines, in which plural combustion units comprising plural fuel nozzles for supplying fuel and plural air nozzles for supplying air for combustion are provided. A part of the plural combustion units are more excellent in flame stabilizing performance than the other combustion units. A fuel ratio, at which fuel is fed to the part of the combustion units is set on the basis of internal temperature of the humidification tower and internal pressure of the humidification tower to control a flow ratio of the fuel fed to the plural combustion units.
    Type: Application
    Filed: November 21, 2014
    Publication date: March 19, 2015
    Inventors: Kazuki ABE, Tomomi KOGANEZAWA
  • Publication number: 20140260314
    Abstract: A variable heat/power ratio cogeneration system is provided that is capable of suppressing NOx emissions to a minimum while ensuring stability of combustion of a gas turbine combustor even when the ratio of gasification gas to normal fuel (e.g., natural gas or light fuel oil) to be used is changed or the composition of the gasification gas fuel is changed. The system includes a first steam system injecting extra steam upstream of the flame zone; a second steam system branched from the first system and injecting extra steam downstream of the flame zone; first and second steam flow rate control valves controlling steam injected by first and steam systems, respectively; and a controller that controls first and second control valves based on (1) flow rates of the gasification gas and normal fuel and (2) demanded steam.
    Type: Application
    Filed: November 12, 2013
    Publication date: September 18, 2014
    Applicant: Hitachi, Ltd
    Inventors: Tomomi KOGANEZAWA, Kazuki ABE
  • Publication number: 20140253854
    Abstract: A liquid crystal display includes: a drive substrate having a plurality of pixel electrodes at a pixel section as an effective pixel region; a counter substrate arranged in opposition to the drive substrate and having a counter electrode that is arranged in opposition to the plurality of pixel electrodes; a liquid crystal layer sealed between the drive substrate and the counter substrate; an alignment film formed at the pixel section and a part of or an entire peripheral section thereof on the surface at the liquid crystal layer side of the drive substrate; a protective film formed between the pixel electrode and the alignment film in at least the pixel section on the drive substrate; and a conductive film formed on the part of or the entire peripheral section of the drive substrate to come in contact with the alignment film.
    Type: Application
    Filed: March 4, 2014
    Publication date: September 11, 2014
    Applicant: Sony Corporation
    Inventors: Shinya Inage, Kazuki Abe, Yoichiro Nishida, Koudai Tokumasu
  • Patent number: 8752363
    Abstract: Provided is a fuel flow control method of a gas turbine combustor provided in a humid air gas turbine, by which method NOx generation in the gas turbine combustor is restricted before and after the starting of humidification and combustion stability is made excellent.
    Type: Grant
    Filed: December 27, 2012
    Date of Patent: June 17, 2014
    Assignee: Hitachi, Ltd.
    Inventors: Kazuki Abe, Tomomi Koganezawa
  • Publication number: 20140083102
    Abstract: An object of the present invention is to provide a combustor having a premixing burner, wherein a conical flame can be formed and the metal temperature at a liner and a burner end face can be reduced. The combustor has at least one premixing burners for premixing fuel with air and jetting the mixed gas into a chamber for combustion. A cylindrical guide attached to an outer circumferential portion of an end face of the burner is provided with air supply holes. An interval D1 defined between the adjacent air supply holes and an interval D2 defined between each air supply hole and the outlet end face of the burner are each made narrower than the quenching distance in the premixed gas jetted from the premixing burner.
    Type: Application
    Filed: September 5, 2013
    Publication date: March 27, 2014
    Applicant: HITACHI, LTD.
    Inventors: Keisuke MIURA, Satoshi DOD, Tomomi KOGANEZAWA, Yoshitaka HIRATA, Kazuki ABE