Patents by Inventor Toshihiko Shimizu
Toshihiko Shimizu 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: 20240379385Abstract: Provided is a wafer conveyance device that suppresses a temperature rise of gas in a wafer conveyance chamber. A wafer conveyance device for conveying a wafer between a FOUP (Front-Opening Unified Pod) in which the wafer is stored and a processing device for processing the wafer, the wafer conveyance device including a wafer conveyance chamber in which a conveyance robot is installed, an FFU chamber communicating with the wafer conveyance chamber, a return duct provided in a wall or a door of the wafer conveyance chamber and communicating with both the wafer conveyance chamber and the FFU room, a blowing fan that blows gas from the FFU chamber into the wafer conveyance chamber, and a heat exchanger that cools the gas circulating in an internal space including the FFU chamber, the return duct, and the wafer conveyance chamber.Type: ApplicationFiled: April 24, 2024Publication date: November 14, 2024Applicant: Hitachi High-Tech CorporationInventors: Katsutoshi KOBAYASHI, Akira NISHIOKA, Tomokazu KOBAYASHI, Masashi FUJITA, Toshihiko SHIMIZU, Itsuro SAWADA
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Patent number: 11981428Abstract: An unmanned aerial vehicle includes a main unit having a thrust generating part for flying in air, a suction device that has a suction part and is fixed to the main unit, and a control device that controls operations of the thrust generating part and the suction device such that the suction part is configured to be suctioned to a wall surface by the operation of the suction device to allow the main unit to be attached to the wall surface, wherein a suction state detecting part that detects a suction state of the suction part, is provided, and the control device controls the operation of the thrust generating part based on a detection by the suction state detecting part in suction phase and/or departure phase of the main unit with respect to the wall surface.Type: GrantFiled: July 26, 2021Date of Patent: May 14, 2024Assignee: HISHIDA R&D Co., Ltd.Inventors: Satoshi Hishida, Toshihiko Shimizu, Masahiro Kakimoto
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Patent number: 11950732Abstract: A toilet device includes an electric opening/closing unit including a motor and a transmission mechanism. The transmission mechanism includes an internal gear, a first transmission part and a second transmission part. The first transmission part transmits a rotational force of the motor. The second transmission part transmits a rotational force of the first transmission part. The first transmission part includes a first planetary gear and a first planetary carrier. The second transmission part includes a second planetary gear, a second planetary carrier, and a shaft part. The shaft part revolves around a rotation axis. The first planetary carrier includes a protrusion extends along a trajectory of the revolution of the shaft part. The shaft part contacts the protrusion. A gap is formed between the shaft part and a part of the first planetary carrier other than the protrusion.Type: GrantFiled: September 13, 2022Date of Patent: April 9, 2024Assignees: TOTO LTD., DAIICHI KASEI CO., LTD., YOKO INDUSTRY CO., LTD.Inventors: Hiroki Hata, Yuji Maruyama, Maya Teraoka, Haruki Suzuki, Toshihiko Shimizu
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Patent number: 11805949Abstract: A toilet device includes an electric opening/closing unit configured to open and close at least one of a toilet seat or a toilet lid. The electric opening/closing unit includes a case, a motor, an output shaft, a transmission mechanism and a spring. The output shaft outputs a rotation of the motor to one of the toilet seat or the toilet lid. The transmission mechanism transmits the rotation of the motor to the output shaft. The spring is connected to the transmission mechanism and the output shaft. The spring urges the output shaft in a rotational direction of the output shaft. The transmission mechanism includes an engaging part engaging the spring. The engaging part engages an end part of the spring at the transmission mechanism side and restricts the end part from moving in a circumferential direction of the spring and from moving in a radial direction of the spring.Type: GrantFiled: September 13, 2022Date of Patent: November 7, 2023Assignees: TOTO LTD., DAIICHI KASEI CO., LTD., YOKO INDUSTRY CO., LTD.Inventors: Hiroki Hata, Yuji Maruyama, Maya Teraoka, Haruki Suzuki, Toshihiko Shimizu
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Publication number: 20230139507Abstract: The present invention provides a charged particle beam device (1) capable of attenuating intrinsic vibrations of an ion pump (104) which is connected to a lens barrel (101), regardless of the length of the lens barrel (101). A charged particle beam device (1) according to the present invention comprises: a lens barrel (101) for irradiating a sample (108) with a charged particle beam (106); an ion pump (104) which is connected to the lens barrel (101) and which evacuates the air inside the lens barrel (101); and a support member (117), one end of which is connected to the ion pump (104), and the other end of which is connected the lens barrel (101). The support member (117) includes a viscoelastic body (118) which is provided substantially parallel to the central axis (114) of the lens barrel (101).Type: ApplicationFiled: May 19, 2020Publication date: May 4, 2023Inventors: Shiano ONO, Yuuji KASAI, Shuichi NAKAGAWA, Toshihiko SHIMIZU
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Publication number: 20230096767Abstract: A toilet device includes an electric opening/closing unit configured to open and close at least one of a toilet seat or a toilet lid. The electric opening/closing unit includes a case, a motor, an output shaft, a transmission mechanism and a spring. The output shaft outputs a rotation of the motor to one of the toilet seat or the toilet lid. The transmission mechanism transmits the rotation of the motor to the output shaft. The spring is connected to the transmission mechanism and the output shaft. The spring urges the output shaft in a rotational direction of the output shaft. The transmission mechanism includes an engaging part engaging the spring. The engaging part engages an end part of the spring at the transmission mechanism side and restricts the end part from moving in a circumferential direction of the spring and from moving in a radial direction of the spring.Type: ApplicationFiled: September 13, 2022Publication date: March 30, 2023Inventors: Hiroki HATA, Yuji MARUYAMA, Maya TERAOKA, Haruki SUZUKI, Toshihiko SHIMIZU
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Publication number: 20230096194Abstract: A toilet device includes an electric opening/closing unit including a motor and a transmission mechanism. The transmission mechanism includes an internal gear, a first transmission part and a second transmission part. The first transmission part transmits a rotational force of the motor. The second transmission part transmits a rotational force of the first transmission part. The first transmission part includes a first planetary gear and a first planetary carrier. The second transmission part includes a second planetary gear, a second planetary carrier, and a shaft part. The shaft part revolves around a rotation axis. The first planetary carrier includes a protrusion extends along a trajectory of the revolution of the shaft part. The shaft part contacts the protrusion. A gap is formed between the shaft part and a part of the first planetary carrier other than the protrusion.Type: ApplicationFiled: September 13, 2022Publication date: March 30, 2023Inventors: Hiroki HATA, Yuji MARUYAMA, Maya TERAOKA, Haruki SUZUKI, Toshihiko SHIMIZU
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Publication number: 20230035686Abstract: Provided are a vibration-suppressing mechanism that has excellent maintainability and can effectively control vibration of a column, and a charged particle beam device using the same.Type: ApplicationFiled: January 30, 2020Publication date: February 2, 2023Inventors: Hiroki TAKAHASHI, Shuichi NAKAGAWA, Toshihiko SHIMIZU, Kiyoshi YABATA, Hironori OGAWA, Jun ETOH
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Publication number: 20210347476Abstract: An unmanned aerial vehicle includes a main unit having a thrust generating part for flying in air, a suction device that has a suction part and is fixed to the main unit, and a control device that controls operations of the thrust generating part and the suction device such that the suction part is configured to be suctioned to a wall surface by the operation of the suction device to allow the main unit to be attached to the wall surface, wherein a suction state detecting part that detects a suction state of the suction part, is provided, and the control device controls the operation of the thrust generating part based on a detection by the suction state detecting part in suction phase and/or departure phase of the main unit with respect to the wall surface.Type: ApplicationFiled: July 26, 2021Publication date: November 11, 2021Inventors: Satoshi HISHIDA, Toshihiko SHIMIZU, Masahiro KAKIMOTO
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Patent number: 11131254Abstract: Provided is a marine engine, including: a piston; and a compression ratio controller configured to execute lowering processing of moving a top dead center position of the piston toward a bottom dead center side when an engine rotation speed falls within a resonance occurrence range set in advance. A geometrical compression ratio is reduced, and a resonance stress caused by a torsional vibration in a rotary system can thus be suppressed while suppressing a decrease in thermal efficiency compared with a case in which retarding control is applied to a fuel injection timing or a closing timing of an exhaust valve.Type: GrantFiled: June 5, 2020Date of Patent: September 28, 2021Assignee: IHI CORPORATIONInventors: Yutaka Masuda, Yoshiyuki Umemoto, Toshihiko Shimizu, Takahiro Takimoto
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Patent number: 11105281Abstract: Provided is a marine engine, including: an air controller configured to supply compressed air to a combustion chamber in an upstroke of a piston after a crash astern signal is output; a fuel controller configured to stop supply of fuel to the combustion chamber when the crash astern signal is output, and to resume the supply of the fuel after a backward rotation of a crankshaft; and a compression ratio controller configured to move a top dead center position of the piston toward an opposite side of a bottom dead center position of the piston when the crash astern signal is output, and the top dead center position of the piston is on the bottom dead center position side with respect to a predetermined position set in advance.Type: GrantFiled: September 15, 2020Date of Patent: August 31, 2021Assignee: IHI CORPORATIONInventors: Yutaka Masuda, Yoshiyuki Umemoto, Toshihiko Shimizu
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Patent number: 11016449Abstract: An address and a control data accessed when the CPU performs the program calculation in the control data memory of the control system controller are transmitted to the standby system controller, in the standby system controller, the control data transmitted from the control system controller to the address transmitted from the control system controller before the program calculation of the CPU of the standby system controller is expanded, the control data equalization of the control system controller and the standby system controller is performed, the control data is efficiently transmitted from the control system controller to the standby system controller, thus, the processing performance of the duplexing process control device is improved.Type: GrantFiled: July 23, 2015Date of Patent: May 25, 2021Assignee: MITSUBISHI ELECTRIC CORPORATIONInventor: Toshihiko Shimizu
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Publication number: 20200408160Abstract: Provided is a marine engine, including: an air controller configured to supply compressed air to a combustion chamber in an upstroke of a piston after a crash astern signal is output; a fuel controller configured to stop supply of fuel to the combustion chamber when the crash astern signal is output, and to resume the supply of the fuel after a backward rotation of a crankshaft; and a compression ratio controller configured to move a top dead center position of the piston toward an opposite side of a bottom dead center position of the piston when the crash astern signal is output, and the top dead center position of the piston is on the bottom dead center position side with respect to a predetermined position set in advance.Type: ApplicationFiled: September 15, 2020Publication date: December 31, 2020Applicant: IHI CORPORATIONInventors: Yutaka MASUDA, Yoshiyuki UMEMOTO, Toshihiko SHIMIZU
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Publication number: 20200300183Abstract: Provided is a marine engine, including: a piston; and a compression ratio controller configured to execute lowering processing of moving a top dead center position of the piston toward a bottom dead center side when an engine rotation speed falls within a resonance occurrence range set in advance. A geometrical compression ratio is reduced, and a resonance stress caused by a torsional vibration in a rotary system can thus be suppressed while suppressing a decrease in thermal efficiency compared with a case in which retarding control is applied to a fuel injection timing or a closing timing of an exhaust valve.Type: ApplicationFiled: June 5, 2020Publication date: September 24, 2020Applicant: IHI CORPORATIONInventors: Yutaka MASUDA, Yoshiyuki Umemoto, Toshihiko Shimizu, Takahiro Takimoto
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Patent number: 10747025Abstract: A polarizing lens including a polarizing polyvinyl alcohol film arranged between two pieces of a lens base material, where the polarizing polyvinyl alcohol film includes a hydrophobic region having higher hydrophobicity than other regions at least at a partial region of an outer periphery part including an edge surface thereof and the hydrophobic region is exposed at least at a part of an edge surface of the lens.Type: GrantFiled: October 17, 2014Date of Patent: August 18, 2020Assignee: HOYA LENS THAILAND LTD.Inventors: Daisuke Ogaya, Masaki Ihara, Akinori Yamamoto, Toshihiko Shimizu, Kenichi Tonouchi
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Patent number: 10591018Abstract: The vibration-suppressing mechanism includes: a first arcuate member that has an inner wall surface shaped along an outer wall of a column of a charged particle beam device; a second arcuate member that has an inner wall surface shaped along an outer wall of a column of the charged particle beam device and is connected to the first arcuate member to form an annular member surrounding the outer wall of the column of the charged particle beam device; a fastening member fastening both the first arcuate member and the second arcuate member together; a vibration sensor attached to the arcuate member; and an actuator that operates in response to an output of the vibration sensor, and can be detached by releasing connection obtained by a connecting member.Type: GrantFiled: June 14, 2017Date of Patent: March 17, 2020Assignee: Hitachi High-Technologies CorporationInventors: Hiroki Takahashi, Shuichi Nakagawa, Toshihiko Shimizu, Hironori Ogawa, Toshihiro Arisaka
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Publication number: 20190278109Abstract: A method for manufacturing a polarizing lens that includes a polarizing polyvinyl alcohol film arranged between two pieces of a lens base material. The method includes subjecting the polarizing lens to edging processing to prepare a polarizing lens where the polarizing polyvinyl alcohol film is exposed at least at a part of an edge surface of the lens, and applying hydrophobization treatment to the polarizing polyvinyl alcohol film exposed at the edge surface of the lens.Type: ApplicationFiled: April 3, 2019Publication date: September 12, 2019Applicant: HOYA LENS THAILAND LTD.Inventors: Daisuke OGAYA, Masaki IHARA, Akinori YAMAMOTO, Toshihiko SHIMIZU, Kenichi TONOUCHI
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Patent number: 10363712Abstract: An aspect of the present invention relates to a method of manufacturing a polarizing plastic lens, which comprises a reversing step of reversing a convex surface shape into a concave surface shape by pressing a polarizing film that has been curved surface processed, a casting mold assembling step of assembling a casting mold having a cavity within which the reversed polarizing film is positioned with the reversed polarizing film, an upper mold, a lower mold, and a sealing member that maintains a spacing between the upper mold and the lower mold, and a polymerizing and curing step of casting a curable composition into the cavity, and polymerizing and curing the curable composition that has been cast to provide a polarizing plastic lens within which a polarizing film is positioned.Type: GrantFiled: November 14, 2013Date of Patent: July 30, 2019Assignee: EHS LENS PHILIPPINES, INC.Inventors: Masaki Ihara, Hiroshi Shimizu, Yoshinobu Ito, Toshihiko Shimizu, Kenichi Tonouchi
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Publication number: 20190145490Abstract: The vibration-suppressing mechanism includes: a first arcuate member that has an inner wall surface shaped along an outer wall of a column of a charged particle beam device; a second arcuate member that has an inner wall surface shaped along an outer wall of a column of the charged particle beam device and is connected to the first arcuate member to form an annular member surrounding the outer wall of the column of the charged particle beam device; a fastening member fastening both the first arcuate member and the second arcuate member together; a vibration sensor attached to the arcuate member; and an actuator that operates in response to an output of the vibration sensor, and can be detached by releasing connection obtained by a connecting member.Type: ApplicationFiled: June 14, 2017Publication date: May 16, 2019Inventors: Hiroki TAKAHASHI, Shuichi NAKAGAWA, Toshihiko SHIMIZU, Hironori OGAWA, Toshihiro ARISAKA
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Patent number: 10153128Abstract: To realize a sample lifting and lowering device capable of easily responding to increase of a diameter of a sample with light weight and high rigidity as well as with less directional dependence of rigidity as the sample lifting lowering device arranged above a horizontal movement mechanism.Type: GrantFiled: April 22, 2016Date of Patent: December 11, 2018Assignee: HITACHI HIGH-TECHNOLOGIES CORPORATIONInventors: Masakazu Sugaya, Yusuke Moriwaki, Koichi Terada, Nobuo Shibata, Hironori Ogawa, Hiroyuki Kitsunai, Toshihiko Shimizu, Shuichi Nakagawa