Patents by Inventor Masakazu Murakami

Masakazu Murakami 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: 20190284324
    Abstract: A polymerizable composition for optical materials of the present invention includes a polymer (a) comprised of one or more compounds selected from compounds represented by the following General Formulas (1) to (4), a compound (b) of which light absorption characteristics vary by sensing changes in environment; and a polymerization reactive compound (c) (except for the polymer (a)).
    Type: Application
    Filed: October 10, 2017
    Publication date: September 19, 2019
    Applicant: Mitsui Chemicals, Inc.
    Inventors: Nigel RIBEIRO, Jie An YANG, Hongbo WANG, Yixi LIN, Masakazu MURAKAMI, Takashi UNEZAKI, Haruyuki MAKIO
  • Patent number: 10397707
    Abstract: A piezoelectric sounding component includes a diaphragm that includes a metal plate and a piezoelectric body formed on the metal plate. The diaphragm bends and vibrates according to application of voltage to the piezoelectric body. A casing includes a bottom wall, side walls which, in combination with the diaphragm define a sound chamber. The diaphragm is supported by a support portion formed in the casing such that outer peripheral edges of the diaphragm are spaced from inner surfaces of the casing. A terminal is located on the casing and is electrically connected to the diaphragm. At least two elastic adhesives join the diaphragm to the casing and respective conductive adhesives extend over its associated elastic adhesive from the diaphragm to a respective terminal. A frame-like sealing portion seals a gap between the outer peripheral edge of the diaphragm and the inner surfaces of the casing.
    Type: Grant
    Filed: May 17, 2018
    Date of Patent: August 27, 2019
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Yuko Yokoi, Masakazu Yamauchi, Junichi Murakami, Kazuchika Yamada, Takaaki Kaji
  • Publication number: 20190145516
    Abstract: A control apparatus for a vehicle drive-force transmitting apparatus which includes a gear mechanism and a continuously-variable transmission mechanism and which establishes selectively a first state in which a drive force is transmitted by the gear mechanism and a second state in which the drive force is transmitted by the continuously-variable transmission mechanism. The control apparatus sets a shift-up-action permitted gear ratio of the continuously-variable transmission mechanism, which makes a state-switch-requiring shift-up action is permitted to be executed. When a running speed of the vehicle is not higher than a given value, a predetermined high gear ratio value is set as the shift-up-action permitted gear ratio. When the running speed is higher than the given value, a predetermined gear ratio range ranging from the predetermined high gear ratio value to a predetermined low gear ratio value is set as the shift-up-action permitted gear ratio.
    Type: Application
    Filed: October 9, 2018
    Publication date: May 16, 2019
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yuki MURAKAMI, Masakazu OWATARI, Norihiro TSUKAMOTO, Kengo NAGAI, Satoshi KATO, Susumu MORITOMO
  • Publication number: 20190123293
    Abstract: Although an ink jet method known as a method of selectively forming a film of a high molecular species organic compound, can coat to divide an organic compound for emitting three kinds (R, G, B) of light in one step, film forming accuracy is poor, it is difficult to control the method and therefore, uniformity is not achieved and the constitution is liable to disperse. In contrast thereto, according to the invention, a film comprising a high molecular species material is formed over an entire face of a lower electrode connected to a thin film transistor by a coating method and thereafter, the film comprising the high molecular species material is etched by etching by plasma to thereby enable to selectively form a high molecular species material layer. Further, the organic compound layer is constituted by a material for carrying out luminescence of white color or luminescence of single color and combined with a color changing layer or a coloring layer to thereby realize full color formation.
    Type: Application
    Filed: December 21, 2018
    Publication date: April 25, 2019
    Applicant: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Masakazu Murakami, Satoshi Seo
  • Patent number: 10202485
    Abstract: The polymerizable composition for an optical material of the present invention includes: (A) a compound having a carbon-carbon triple bond and at least one group selected from an isocyanate group and an isothiocyanate group in a molecule; and (B) a polythiol compound.
    Type: Grant
    Filed: March 28, 2014
    Date of Patent: February 12, 2019
    Assignee: MITSUI CHEMICALS, INC.
    Inventor: Masakazu Murakami
  • Patent number: 10170724
    Abstract: Although an ink jet method known as a method of selectively forming a film of a high molecular species organic compound, can coat to divide an organic compound for emitting three kinds (R, G, B) of light in one step, film forming accuracy is poor, it is difficult to control the method and therefore, uniformity is not achieved and the constitution is liable to disperse. In contrast thereto, according to the invention, a film comprising a high molecular species material is formed over an entire face of a lower electrode connected to a thin film transistor by a coating method and thereafter, the film comprising the high molecular species material is etched by etching by plasma to thereby enable to selectively form a high molecular species material layer. Further, the organic compound layer is constituted by a material for carrying out luminescence of white color or luminescence of single color and combined with a color changing layer or a coloring layer to thereby realize full color formation.
    Type: Grant
    Filed: March 2, 2015
    Date of Patent: January 1, 2019
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Masakazu Murakami, Satoshi Seo
  • Publication number: 20180135158
    Abstract: The invention provides an evaporation apparatus, which is able to improve an efficiency of evaporation materials, uniformity of deposited films, and throughput of the evaporation process. Disclosed is an evaporation source holder, which is installed in an evaporation chamber and configured to hold an evaporation material, and a moving mechanism, which is configured to move the evaporation source holder during evaporation of the evaporation material. The evaporation apparatus is further characterized by a shutter over the evaporation source holder, a filter over the shutter, and a heater surrounding the filter.
    Type: Application
    Filed: December 21, 2017
    Publication date: May 17, 2018
    Inventors: Shunpei YAMAZAKI, Masakazu MURAKAMI
  • Publication number: 20180066082
    Abstract: Provided is a polymerizable composition including an alkyne compound represented by the following general formula (1): wherein, in general formula (1), X1 and X2 represent a sulfur atom, an oxygen atom, or an NH group and may be the same or different from each other, Q represents an alkylene group having 1 or 2 carbon atoms, a carbonyl group, or a thiophenylene group in which one of carbon atoms is substituted by an antimony atom, R1 and R2 represent an alkylene group having 1 or 2 carbon atoms and may be the same or different from each other, and m and n each represent 0 or 1.
    Type: Application
    Filed: February 8, 2016
    Publication date: March 8, 2018
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Masakazu MURAKAMI, Tomoyuki ANDO
  • Patent number: 9653519
    Abstract: A light emitting device having a high definition, a high aperture ratio and a high reliability is provided. The present invention realizes a high definition and a high aperture ratio for a flat panel display of full colors using luminescent colors of red, green and blue without being dependent upon the film formation method and deposition precision of an organic compound layer by forming the laminated sections 21, 22 by means of intentionally and partially overlapping different organic compound layers of adjacent light emitting elements. Moreover, the protective film 32a containing hydrogen is formed and the drawback in the organic compound layer is terminated with hydrogen, thereby realizing the enhancement of the brightness and the reliability.
    Type: Grant
    Filed: January 6, 2016
    Date of Patent: May 16, 2017
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Masaaki Hiroki, Masakazu Murakami, Hideaki Kuwabara
  • Patent number: 9627459
    Abstract: To provide a light emitting device high in reliability with a pixel portion having high definition with a large screen. According to a light emitting device of the present invention, on an insulator (24) provided between pixel electrodes, an auxiliary electrode (21) made of a metal film is formed, whereby a conductive layer (20) made of a transparent conductive film in contact with the auxiliary electrode can be made low in resistance and thin. Also, the auxiliary electrode (21) is used to achieve connection with an electrode on a lower layer, whereby the electrode can be led out with the transparent conductive film formed on an EL layer. Further, a protective film (32) made of a film containing hydrogen and a silicon nitride film which are laminated is formed, whereby high reliability can be achieved.
    Type: Grant
    Filed: April 6, 2016
    Date of Patent: April 18, 2017
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Masaaki Hiroki, Masakazu Murakami, Hideaki Kuwabara
  • Publication number: 20170029553
    Abstract: The polymerizable composition for optical materials of the present invention includes: (A) a compound having a carbon-carbon double bond and at least one group selected from an isocyanate group and an isothiocyanate group in a molecule; and (B) a polythiol compound.
    Type: Application
    Filed: April 21, 2015
    Publication date: February 2, 2017
    Applicant: MITSUI CHEMICALS, INC.
    Inventor: Masakazu MURAKAMI
  • Patent number: 9551063
    Abstract: An evaporation apparatus with high utilization efficiency for EL materials and excellent film uniformity is provided. The invention is an evaporation apparatus having a movable evaporation source and a substrate rotating unit, in which the space between an evaporation source holder and a workpiece (substrate) is narrowed to 30 cm or below, preferably 20 cm, more preferably 5 to 15 cm, to improve the utilization efficiency for EL materials. In evaporation, the evaporation source holder is moved in the X-direction or the Y-direction, and the workpiece (substrate) is rotated for deposition. Therefore, film uniformity is improved.
    Type: Grant
    Filed: November 18, 2008
    Date of Patent: January 24, 2017
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Masakazu Murakami, Hisashi Ohtani
  • Patent number: 9536901
    Abstract: The object of the invention is to provide a method for fabricating a semiconductor device having a peeled layer bonded to a base material with curvature. Particularly, the object is to provide a method for fabricating a display with curvature, more specifically, a light emitting device having an OLED bonded to a base material with curvature. An external force is applied to a support originally having curvature and elasticity, and the support is bonded to a peeled layer formed over a substrate. Then, when the substrate is peeled, the support returns into the original shape by the restoring force, and the peeled layer as well is curved along the shape of the support. Finally, a transfer object originally having curvature is bonded to the peeled layer, and then a device with a desired curvature is completed.
    Type: Grant
    Filed: March 9, 2016
    Date of Patent: January 3, 2017
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Masakazu Murakami, Toru Takayama, Junya Maruyama
  • Patent number: 9484467
    Abstract: A semiconductor device with significantly low off-state current is provided. An oxide semiconductor material in which holes have a larger effective mass than electrons is used. A transistor is provided which includes a gate electrode layer, a gate insulating layer, an oxide semiconductor layer including a hole whose effective mass is 5 or more times, preferably 10 or more times, further preferably 20 or more times that of an electron in the oxide semiconductor layer, a source electrode layer in contact with the oxide semiconductor layer, and a drain electrode layer in contact with the oxide semiconductor layer.
    Type: Grant
    Filed: November 2, 2015
    Date of Patent: November 1, 2016
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Kiyoshi Kato, Masakazu Murakami
  • Publication number: 20160280840
    Abstract: The polymerizable composition for an optical material of the present invention includes: (A) a compound having a carbon-carbon triple bond and at least one group selected from an isocyanate group and an isothiocyanate group in a molecule; and (B) a polythiol compound.
    Type: Application
    Filed: March 28, 2014
    Publication date: September 29, 2016
    Applicant: MITSUI CHEMICALS, INC.
    Inventor: Masakazu MURAKAMI
  • Publication number: 20160218160
    Abstract: To provide a light emitting device high in reliability with a pixel portion having high definition with a large screen. According to a light emitting device of the present invention, on an insulator (24) provided between pixel electrodes, an auxiliary electrode (21) made of a metal film is formed, whereby a conductive layer (20) made of a transparent conductive film in contact with the auxiliary electrode can be made low in resistance and thin. Also, the auxiliary electrode (21) is used to achieve connection with an electrode on a lower layer, whereby the electrode can be led out with the transparent conductive film formed on an EL layer. Further, a protective film (32) made of a film containing hydrogen and a silicon nitride film which are laminated is formed, whereby high reliability can be achieved.
    Type: Application
    Filed: April 6, 2016
    Publication date: July 28, 2016
    Inventors: Shunpei Yamazaki, Masaaki Hiroki, Masakazu Murakami, Hideaki Kuwabara
  • Publication number: 20160190170
    Abstract: The object of the invention is to provide a method for fabricating a semiconductor device having a peeled layer bonded to a base material with curvature. Particularly, the object is to provide a method for fabricating a display with curvature, more specifically, a light emitting device having an OLED bonded to a base material with curvature. An external force is applied to a support originally having curvature and elasticity, and the support is bonded to a peeled layer formed over a substrate. Then, when the substrate is peeled, the support returns into the original shape by the restoring force, and the peeled layer as well is curved along the shape of the support. Finally, a transfer object originally having curvature is bonded to the peeled layer, and then a device with a desired curvature is completed.
    Type: Application
    Filed: March 9, 2016
    Publication date: June 30, 2016
    Inventors: Shunpei Yamazaki, Masakazu Murakami, Toru Takayama, Junya Maruyama
  • Publication number: 20160133683
    Abstract: (OBJECT) The object is to provide a lightened semiconductor device and a manufacturing method thereof by pasting a layer to be peeled to various base materials. (MEANS FOR SOLVING THE PROBLEM) In the present invention, a layer to be peeled is formed on a substrate, then a seal substrate provided with an etching stopper film is pasted with a binding material on the layer to be peeled, followed by removing only the seal substrate by etching or polishing. The remaining etching stopper film is functioned as a blocking film. In addition, a magnet sheet may be pasted as a pasting member.
    Type: Application
    Filed: January 19, 2016
    Publication date: May 12, 2016
    Inventors: Toru Takayama, Junya MARUYAMA, Yumiko OHNO, Masakazu MURAKAMI, Toshiji HAMATANI, Hideaki KUWABARA, Shunpei YAMAZAKI
  • Patent number: 9337341
    Abstract: The object of the invention is to provide a method for fabricating a semiconductor device having a peeled layer bonded to a base material with curvature. Particularly, the object is to provide a method for fabricating a display with curvature, more specifically, a light emitting device having an OLED bonded to a base material with curvature. An external force is applied to a support originally having curvature and elasticity, and the support is bonded to a peeled layer formed over a substrate. Then, when the substrate is peeled, the support returns into the original shape by the restoring force, and the peeled layer as well is curved along the shape of the support. Finally, a transfer object originally having curvature is bonded to the peeled layer, and then a device with a desired curvature is completed.
    Type: Grant
    Filed: March 13, 2015
    Date of Patent: May 10, 2016
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Masakazu Murakami, Toru Takayama, Junya Maruyama
  • Publication number: 20160118445
    Abstract: A light emitting device having a high definition, a high aperture ratio and a high reliability is provided. The present invention realizes a high definition and a high aperture ratio for a flat panel display of full colors using luminescent colors of red, green and blue without being dependent upon the film formation method and deposition precision of an organic compound layer by forming the laminated sections 21, 22 by means of intentionally and partially overlapping different organic compound layers of adjacent light emitting elements. Moreover, the protective film 32a containing hydrogen is formed and the drawback in the organic compound layer is terminated with hydrogen, thereby realizing the enhancement of the brightness and the reliability.
    Type: Application
    Filed: January 6, 2016
    Publication date: April 28, 2016
    Applicant: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei YAMAZAKI, Masaaki HIROKI, Masakazu MURAKAMI, Hideaki KUWABARA