Patents by Inventor Masanori Hirai
Masanori Hirai 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: 20240152015Abstract: The present invention provides a technology of switching the appearance of a product. A decorative film according to an embodiment of the present invention includes: a light control layer including a first transparent conductive film, a polymer dispersed liquid crystal layer containing a polymer matrix and droplets dispersed in the polymer matrix, the droplets each containing a liquid crystal compound and a dichroic dye, and a second transparent conductive film in the stated order from a viewer side thereof; and a reflective layer arranged on a side of the light control layer opposite to the viewer side.Type: ApplicationFiled: February 16, 2022Publication date: May 9, 2024Applicant: NITTO DENKO CORPORATIONInventors: Mariko HIRAI, Masanori OTSUKA, Akihiro SHIBUYA
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Publication number: 20240142816Abstract: The present invention provides a technology of switching the appearance of a product. A decorative film according to an embodiment of the present invention includes: a light control layer including a first transparent conductive film, a polymer dispersed liquid crystal layer containing a polymer matrix and droplets dispersed in the polymer matrix, the droplets each containing a liquid crystal compound and a dichroic dye, and a second transparent conductive film in the stated order from a viewer side thereof; and a decorative layer arranged on at least one side of the light control layer.Type: ApplicationFiled: February 16, 2022Publication date: May 2, 2024Applicant: NITTO DENKO CORPORATIONInventors: Mariko HIRAI, Masanori OTSUKA, Akihiro SHIBUYA
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Patent number: 11158851Abstract: An electrode for an electrochemical device has a coated portion in which an active material layer is formed on a current collector; a non-coated portion in which the active material layer is not formed; and a resin layer that is laminated such that the coated portion and a portion of the non-coated portion are covered; wherein: the resin layer has a high-permeability portion having high ion permeability and positioned on the coated portion; a low-permeability portion having low ion permeability and positioned on a portion of the non-coated portion; and a transition portion in which ion permeability decreases from the high-permeability portion side toward the low-permeability portion side and positioned between the high-permeability portion and the low-permeability portion.Type: GrantFiled: October 31, 2017Date of Patent: October 26, 2021Assignee: Envision AESC Energy Devices Ltd.Inventors: Masanori Hirai, Kazuya Mimura
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Patent number: 10906060Abstract: A coating device has: a die head that is provided with a supply port into which a coating slurry is supplied, a manifold that stores the coating slurry, and a slit that dispenses the coating slurry; a supply pipe that is connected to the supply port of the die head; and a cover plate that is provided in the supply port or the supply pipe and that reduces the flow rate of the coating slurry at the center of a cross-section that is orthogonal to the direction in which the coating slurry in the supply port or the supply pipe flows into the die head.Type: GrantFiled: October 4, 2019Date of Patent: February 2, 2021Assignee: Envision AESC Enerev Devices Ltd.Inventor: Masanori Hirai
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Publication number: 20200295345Abstract: A method of manufacturing electrodes for an electrochemical device in which each of electrodes comprises a current collector 9, 11 and active material layers 10, 12 using four die heads 15a-15d is described. The active material layers 10, 12 each contains a lower active material layer 10a, 12a and an upper active material layer 10b, 12b. While the current collector 9, 11 is being conveyed, a slurry is ejected from the die head 15a that is on the most upstream side in the direction of conveyance S and the die head 15b located on the second from the upstream side to form the lower active material layers 10a, 12a of two electrodes, and a slurry is ejected from the die head 15c located on the third from the upstream side and the die head 15d located on the fourth from the upstream side to form the upper active material layers 10b, 12b of two electrodes.Type: ApplicationFiled: December 26, 2016Publication date: September 17, 2020Applicant: NEC ENERGY DEVICES, LTD.Inventors: Masanori HIRAI, Kenji SATO
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Publication number: 20200067081Abstract: An electrode for an electrochemical device has a coated portion in which an active material layer is formed on a current collector; a non-coated portion in which the active material layer is not formed; and a resin layer that is laminated such that the coated portion and a portion of the non-coated portion are covered; wherein: the resin layer has a high-permeability portion having high ion permeability and positioned on the coated portion; a low-permeability portion having low ion permeability and positioned on a portion of the non-coated portion; and a transition portion in which ion permeability decreases from the high-permeability portion side toward the low-permeability portion side and positioned between the high-permeability portion and the low-permeability portion.Type: ApplicationFiled: October 31, 2017Publication date: February 27, 2020Applicant: Envision AESC Energy Devices Ltd.Inventors: Masanori HIRAI, Kazuya MIMURA
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Publication number: 20200030840Abstract: A coating device has: a die head that is provided with a supply port into which a coating slurry is supplied, a manifold that stores the coating slurry, and a slit that dispenses the coating slurry; a supply pipe that is connected to the supply port of the die head; and a cover plate that is provided in the supply port or the supply pipe and that reduces the flow rate of the coating slurry at the center of a cross-section that is orthogonal to the direction in which the coating slurry in the supply port or the supply pipe flows into the die head.Type: ApplicationFiled: October 4, 2019Publication date: January 30, 2020Applicant: Envision AESC Energy Devices Ltd.Inventor: Masanori HIRAI
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Patent number: 10493485Abstract: A coating device has: a die head that is provided with a supply port into which a coating slurry is supplied, a manifold that stores the coating slurry, and a slit that dispenses the coating slurry; a supply pipe that is connected to the supply port of the die head; and a cover plate that is provided in the supply port or the supply pipe and that reduces the flow rate of the coating slurry at the center of a cross-section that is orthogonal to the direction in which the coating slurry in the supply port or the supply pipe flows into the die head.Type: GrantFiled: September 6, 2016Date of Patent: December 3, 2019Assignee: Envision AESC Energy Devices, Ltd.Inventor: Masanori Hirai
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Patent number: 10468662Abstract: An electrode for a secondary battery including an electrode laminated assembly that has a configuration in which electrodes and a separator are laminated, includes current collector 3 and active material layer 2 formed on a surface of current collector 3. Active material layer 2 includes a thick-layer portion and a thin-layer portion that is positioned at an edge portion of the active material layer and that is smaller in thickness than the thick-layer portion, and is formed by discharging slurry containing an active material from discharge port 12a of die head 12 toward the surface of current collector 3, the slurry being supplied to die head 12 through coating valve 13.Type: GrantFiled: August 24, 2015Date of Patent: November 5, 2019Assignee: Envision AESC Energy Devices Ltd.Inventors: Masanori Hirai, Takashi Nakajima, Tetsuya Sato
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Publication number: 20190074509Abstract: In electrode (2) for an electrochemical device comprising current collector (9) and active material layer (10) made up from active material coated on current collector (9), active material layer (10) comprises lower active material layer (10a) which adheres to current collector (9) and upper active material layer (10b) formed on lower active material layer (10a). Lower active material layer (10a) is thinner than upper active material layer (10b). The termination portion of upper active material layer (10b) in the longitudinal direction of current collector (9) either coincides with the termination portion of lower active material layer (10a) or is positioned nearer side from the starting portion than the termination portion of lower active material layer (10a).Type: ApplicationFiled: December 26, 2016Publication date: March 7, 2019Applicant: NEC ENERGY DEVICES, LTD.Inventors: Masanori HIRAI, Kenji SATO
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Patent number: 10217988Abstract: Provided is a secondary battery with a high electric characteristic and reliability that prevents the short circuit between a positive electrode and a negative electrode by an insulating member and that prevents or reduces the volume increase and deformation of a battery electrode assembly. A secondary battery includes a battery electrode assembly in which positive electrode 1 and negative electrode 6 are alternately laminated while separator 20 is interposed therebetween. Positive electrode 1 and negative electrode 6 include current collectors 3, 8 and active materials 2, 7, each surface of current collectors 3, 8 is provided with an application portion and a non-application portion of active materials 2, 8, and the active materials 2, 7 include a thin portion whose thickness is small.Type: GrantFiled: January 26, 2016Date of Patent: February 26, 2019Assignee: NEC ENERGY DEVICES, LTD.Inventors: Kouzou Takeda, Masaaki Matsuu, Hiroo Takahashi, Yoshimasa Yamamoto, Masanori Hirai
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Publication number: 20180250700Abstract: A coating device has: a die head that is provided with a supply port into which a coating slurry is supplied, a manifold that stores the coating slurry, and a slit that dispenses the coating slurry; a supply pipe that is connected to the supply port of the die head; and a cover plate that is provided in the supply port or the supply pipe and that reduces the flow rate of the coating slurry at the center of a cross-section that is orthogonal to the direction in which the coating slurry in the supply port or the supply pipe flows into the die head.Type: ApplicationFiled: September 6, 2016Publication date: September 6, 2018Applicant: NEC ENERGY DEVICES, LTD.Inventor: Masanori HIRAI
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Publication number: 20180175365Abstract: A method of manufacturing a secondary battery electrode having a coated portion at which an active material layer is formed, comprises a step of forming the coated portion which comprises a step of forming a thin portion of the active material layer which has a small thickness by discharging slurry containing an active material at a position where the die head is located close to the current collector, and a step of forming a thick portion of the active material layer which has a large thickness by discharging the slurry at a discharge pressure P2 larger than that in the step of forming the thin portion at a position where the die head is farther away from the current collector as compared with the step of forming the thin portion. The discharge pressure is changed in accordance with change of an interval between the die head and the current collector at a transition time between the step of forming the thin portion and the step of forming the thick portion.Type: ApplicationFiled: May 20, 2016Publication date: June 21, 2018Applicant: NEC ENERGY DEVICES, LTD.Inventors: Takashi UEDA, Masanori HIRAI
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Publication number: 20170373299Abstract: Provided is a secondary battery with a high electric characteristic and reliability that prevents the short circuit between a positive electrode and a negative electrode by an insulating member and that prevents or reduces the volume increase and deformation of a battery electrode assembly. A secondary battery includes a battery electrode assembly in which positive electrode 1 and negative electrode 6 are alternately laminated while separator 20 is interposed therebetween. Positive electrode 1 and negative electrode 6 include current collectors 3, 8 and active materials 2, 7, each surface of current collectors 3, 8 is provided with an application portion and a non-application portion of active materials 2, 8, and the active materials 2, 7 include a thin portion whose thickness is small.Type: ApplicationFiled: January 26, 2016Publication date: December 28, 2017Applicant: NEC ENERGY DEVICES, LTD.Inventors: Kouzou TAKEDA, Masaaki MATSUU, Hiroo TAKAHASHI, Yoshimasa YAMAMOTO, Masanori HIRAI
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Publication number: 20170309887Abstract: An electrode for a secondary battery including an electrode laminated assembly that has a configuration in which electrodes and a separator are laminated, includes current collector 3 and active material layer 2 formed on a surface of current collector 3. Active material layer 2 includes a thick-layer portion and a thin-layer portion that is positioned at an edge portion of the active material layer and that is smaller in thickness than the thick-layer portion, and is formed by discharging slurry containing an active material from discharge port 12a of die head 12 toward the surface of current collector 3, the slurry being supplied to die head 12 through coating valve 13.Type: ApplicationFiled: August 24, 2015Publication date: October 26, 2017Applicant: NEC Energy Devices, Ltd.Inventors: Masanori HIRAI, Takashi NAKAJIMA, Tetsuya SATO
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Patent number: 9765867Abstract: An electromechanical actuator includes a first electric motor, a first motion conversion mechanism, a second motion conversion mechanism, and a rotation restriction mechanism for the second motion conversion mechanism. The first motion conversion mechanism includes a first member that is rotated by an output of the first electric motor and a second member that is fastened to the first member. The second motion conversion mechanism includes a third member that is movable integrally with the first member and a fourth member that is fastened to the third member. The rotation restriction mechanism is configured to be capable of selectively restricting and allowing rotation of the fourth member in accordance with movement of the third member.Type: GrantFiled: April 22, 2015Date of Patent: September 19, 2017Assignee: NABTESCO CORPORATIONInventors: Masanori Hirai, Masayoshi Ueyama
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Patent number: 9618102Abstract: An actuator is driven even if a jammed state, a motor stop, or the like occurs. An electromechanical actuator includes: an electric motor attached to a housing; a conversion mechanism portion having a drive portion that is driven to rotate by the electric motor and a driven portion that is driven by the drive portion and advances and withdraws in a predetermined advancing and withdrawing direction, the conversion mechanism portion being accommodated in the housing; a sliding support mechanism that transmits rotational force of the electric motor to the drive portion and allows the drive portion to slide in the advancing and withdrawing direction with respect to the electric motor; and a piston portion controlled so as to be at a predetermined position in the advancing and withdrawing direction with respect to the housing by means of pressure of a fluid supplied to and discharged from the housing.Type: GrantFiled: October 14, 2014Date of Patent: April 11, 2017Assignee: NABTESCO CORPORATIONInventor: Masanori Hirai
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Patent number: 9353774Abstract: A fluid is supplied and discharged to and from a cylinder. A body portion is fixed to a fixed-side structure, and the cylinder is provided integrally with the body portion. A piston defines a cylinder chamber inside the cylinder and slides on an inner wall of the cylinder. A rod is provided integrally with the piston and is displaced so as to extend from and contract into the cylinder. A link member is installed parallel to the axial direction of the cylinder or installed so as to extend obliquely to a direction parallel to the axial direction of the cylinder, and a first end of the link member is pivotably connected to a movable-side structure. A connecting member is fixed to the rod, and a second end of the link member is pivotably connected to the connecting member.Type: GrantFiled: August 15, 2012Date of Patent: May 31, 2016Assignee: NABTESCO CORPORATIONInventors: Koji Ito, Masanori Hirai
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Publication number: 20150308549Abstract: An electromechanical actuator includes a first electric motor, a first motion conversion mechanism, a second motion conversion mechanism, and a rotation restriction mechanism for the second motion conversion mechanism. The first motion conversion mechanism includes a first member that is rotated by an output of the first electric motor and a second member that is fastened to the first member. The second motion conversion mechanism includes a third member that is movable integrally with the first member and a fourth member that is fastened to the third member. The rotation restriction mechanism is configured to be capable of selectively restricting and allowing rotation of the fourth member in accordance with movement of the third member.Type: ApplicationFiled: April 22, 2015Publication date: October 29, 2015Inventors: Masanori HIRAI, Masayoshi UEYAMA
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Publication number: 20150114151Abstract: An actuator is driven even if a jammed state, a motor stop, or the like occurs. An electromechanical actuator includes: an electric motor attached to a housing; a conversion mechanism portion having a drive portion that is driven to rotate by the electric motor and a driven portion that is driven by the drive portion and advances and withdraws in a predetermined advancing and withdrawing direction, the conversion mechanism portion being accommodated in the housing; a sliding support mechanism that transmits rotational force of the electric motor to the drive portion and allows the drive portion to slide in the advancing and withdrawing direction with respect to the electric motor; and a piston portion controlled so as to be at a predetermined position in the advancing and withdrawing direction with respect to the housing by means of pressure of a fluid supplied to and discharged from the housing.Type: ApplicationFiled: October 14, 2014Publication date: April 30, 2015Applicant: NABTESCO CORPORATIONInventor: Masanori HIRAI