Patents by Inventor Hidenobu Sato
Hidenobu Sato 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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Patent number: 11512993Abstract: A valve device is capable of precisely adjusting a flow rate variation with time, aging, or the like without using an external sensor or using as few external sensors as possible. The apparatus includes an adjusting actuator for adjusting the position of the operating member positioned at the open position, a communication unit for receiving adjustment information relating to the adjustment of the opening degree of the flow path by the valve element from the outside of the apparatus, and a control unit for adjusting the position of the operating member by driving the adjusting actuator based on the adjustment information.Type: GrantFiled: September 11, 2018Date of Patent: November 29, 2022Assignee: FUJIKIN INCORPORATEDInventors: Kenta Kondo, Toshihide Yoshida, Hidenobu Sato, Tomohiro Nakata, Tsutomu Shinohara, Masahiko Takimoto
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Patent number: 11506290Abstract: A valve device is capable of precisely adjusting a flow rate variation due to aging, aging, etc. without using an external sensor. An adjusting actuator includes a piezoelectric element for adjusting the position of the operating member positioned at the open position, and the drive circuit of the adjusting actuator includes a detecting unit for detecting an electric signal related to the amount of strain generated in the piezoelectric element, and a control unit for controlling the adjusting actuator so that the opening degree of the flow path by the valve element becomes the target opening degree based on the electric signal related to the amount of strain of the piezoelectric element.Type: GrantFiled: September 11, 2018Date of Patent: November 22, 2022Assignee: FUJIKIN INCORPORATEDInventors: Kenta Kondo, Toshihide Yoshida, Kenji Aikawa, Hidenobu Sato, Tomohiro Nakata, Tsutomu Shinohara, Masahiko Takimoto
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Valve device, method for replacing valve body unit of valve device, and valve device assembly method
Patent number: 11506294Abstract: A valve body unit is configured to be disengaged from a stem by moving the stem and the valve body unit to a valve seat side in a state where a bonnet is separated from the valve seat, thereby pushing a replacement ring such that the replacement ring moves through the bonnet while decreasing in diameter and then drops down onto a ring dropping portion in the free state, then moving the stem, the valve body unit, and the replacement ring to an opposite side to the valve seat side such that a first surface comes into contact with a second surface and the ring dropping portion comes into contact with the replacement ring, and in this state, moving only the stem to the opposite side to the valve seat side such that the connection formed by a connecting mechanism between the stem connection portion and the stem is released.Type: GrantFiled: March 26, 2021Date of Patent: November 22, 2022Assignee: FUJIKIN INCORPORATEDInventors: Hidenobu Sato, Kenta Kondo, Tomohiro Nakata, Masahiko Nakazawa, Nobuo Nakamura, Tomoko Yuhara -
Patent number: 11306830Abstract: A valve device includes a valve body; a valve seat; an inner disk made of a metal alloy having an inner annular portion, outer annular portion and a connecting portion that connects the inner annular portion and the outer annular portion; a diaphragm made of a metal alloy covering the inner disk and the valve seat and moving between an open position at which the diaphragm does not contact the valve seat and a closed position at which the diaphragm contacts the valve seat to enable and shuts off communication between the first flow path and the second flow paths; and a presser adapter that presses a peripheral edge portion of the diaphragm toward the outer annular portion; and the inner disk has a hardness higher than the valve seat and lower than both the valve body and the diaphragm.Type: GrantFiled: May 31, 2019Date of Patent: April 19, 2022Assignee: FUJIKIN INCORPORATEDInventors: Kenta Kondo, Tsutomu Shinohara, Tomohiro Nakata, Hidenobu Sato
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Patent number: 11261990Abstract: An actuator includes a casing having a first annular groove formed in an inner peripheral portion thereof; a piston having a second annular groove formed in an outer peripheral portion thereof, provided in the casing to form a pressure chamber together with the casing, and driven by a drive fluid from an outside of the actuator; and an annular seal member having a first fitting portion to be fitted into the first annular groove and a second fitting portion to be fitted into the second annular groove to seal the pressure chamber.Type: GrantFiled: January 3, 2020Date of Patent: March 1, 2022Assignee: FUJIKIN INCORPORATEDInventors: Takeru Miura, Tsutomu Shinohara, Tomohiro Nakata, Toshiyuki Inada, Kazunari Watanabe, Kenta Kondo, Hidenobu Sato, Tomoko Yuhara
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Publication number: 20220047226Abstract: A health assistance system includes: a display portion; an obtaining portion that is configured to obtain a plurality of types of information on health of a user; and a health information creation portion that is configured to create health information on a health condition of the user, based on the information obtained by the obtaining portion, and cause the display portion to display the health information.Type: ApplicationFiled: October 25, 2021Publication date: February 17, 2022Inventors: Shinya NOJIMA, Shuji NAKABAYASHI, Masashi KISHI, Hidenobu SATO
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Publication number: 20210285552Abstract: A valve device includes a valve body; a valve seat; an inner disk made of a metal alloy having an inner annular portion, outer annular portion and a connecting portion that connects the inner annular portion and the outer annular portion; a diaphragm made of a metal alloy covering the inner disk and the valve seat and moving between an open position at which the diaphragm does not contact the valve seat and a closed position at which the diaphragm contacts the valve seat to enable and shuts off communication between the first flow path and the second flow paths; and a presser adapter that presses a peripheral edge portion of the diaphragm toward the outer annular portion; and the inner disk has a hardness higher than the valve seat and lower than both the valve body and the diaphragm.Type: ApplicationFiled: May 31, 2019Publication date: September 16, 2021Applicant: FUJIKIN INCORPORATEDInventors: Kenta KONDO, Tsutomu SHINOHARA, Tomohiro NAKATA, Hidenobu SATO
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VALVE DEVICE, METHOD FOR REPLACING VALVE BODY UNIT OF VALVE DEVICE, AND VALVE DEVICE ASSEMBLY METHOD
Publication number: 20210239222Abstract: A valve body unit is configured to be disengaged from a stem by moving the stem and the valve body unit to a valve seat side in a state where a bonnet is separated from the valve seat, thereby pushing a replacement ring such that the replacement ring moves through the bonnet while decreasing in diameter and then drops down onto a ring dropping portion in the free state, then moving the stem, the valve body unit, and the replacement ring to an opposite side to the valve seat side such that a first surface comes into contact with a second surface and the ring dropping portion comes into contact with the replacement ring, and in this state, moving only the stem to the opposite side to the valve seat side such that the connection formed by a connecting mechanism between the stem connection portion and the stem is released.Type: ApplicationFiled: March 26, 2021Publication date: August 5, 2021Inventors: Hidenobu SATO, Kenta KONDO, Tomohiro NAKATA, Masahiko NAKAZAWA, Nobuo NAKAMURA, Tomoko YUHARA -
Patent number: 11073215Abstract: A gas supply system is provided with an automatic valve that is provided in a flow passage and adjusts a flow rate of process gas supplied to a chamber by automatic opening and closing, and a manual valve that is provided downstream of the automatic valve in the flow path and in immediate vicinity of the chamber and adjusts the flow rate of the process gas by manual opening and closing. The manual valve is a direct diaphragm valve having a diaphragm that is placed and separated on and from a seat in conjunction with a stem and a disk along with opening and closing, and includes a stroke adjusting mechanism that adjusts a valve stroke.Type: GrantFiled: June 6, 2018Date of Patent: July 27, 2021Assignee: FUJIKIN INCORPORATEDInventors: Takeru Miura, Tomohiro Nakata, Toshiyuki Inada, Kazunari Watanabe, Kenta Kondo, Hidenobu Sato
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Patent number: 11047503Abstract: An actuator includes: a casing; a pressure reducing valve and a piston. The pressure reducing valve is provided in the casing to reduce a pressure of a driving fluid supplied from an outside of the casing to a predetermined level. The piston is provided in the casing to form a pressure chamber together with the casing. The piston is driven by the driving fluid that has been pressure-reduced to the predetermined level.Type: GrantFiled: January 3, 2020Date of Patent: June 29, 2021Assignee: FUJIKIN INCORPORATIONInventors: Takeru Miura, Tsutomu Shinohara, Tomohiro Nakata, Toshiyuki Inada, Kazunari Watanabe, Kenta Kondo, Hidenobu Sato, Tomoko Yuhara
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Patent number: 11022224Abstract: A valve device includes a valve body that defines flow paths, a diaphragm provided so as to be capable of opening and closing the flow paths, an operation member provided so as to be capable of moving in opening and closing directions that open and close the flow paths by operating the diaphragm, a main actuator that applies a driving force corresponding to an operating pressure applied in the opening direction or the closing direction of the opening and closing directions with respect to the operation member, a switching mechanism capable of selectively switching a position of the operation member that regulates a degree of opening of the flow paths between a first open position and a second open position in accordance with a magnitude of the operating pressure, and regulating mechanisms capable of independently regulating the first open position and the second open position.Type: GrantFiled: November 2, 2017Date of Patent: June 1, 2021Assignee: FUJIKIN INCORPORATEDInventors: Toshihide Yoshida, Tomohiro Nakata, Tsutomu Shinohara, Toshiyuki Inada, Takashi Funakoshi, Hidenobu Sato, Tomoko Yuhara
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Publication number: 20200278234Abstract: A valve device is capable of precisely adjusting a flow rate variation with time, aging, or the like without using an external sensor or using as few external sensors as possible. The apparatus includes an adjusting actuator for adjusting the position of the operating member positioned at the open position, a communication unit for receiving adjustment information relating to the adjustment of the opening degree of the flow path by the valve element from the outside of the apparatus, and a control unit for adjusting the position of the operating member by driving the adjusting actuator based on the adjustment information.Type: ApplicationFiled: September 11, 2018Publication date: September 3, 2020Applicant: FUJIKIN INCORPORATEDInventors: Kenta KONDO, Toshihide YOSHIDA, Hidenobu SATO, Tomohiro NAKATA, Tsutomu SHINOHARA, Masahiko TAKIMOTO
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Publication number: 20200278033Abstract: A valve device is capable of precisely adjusting a flow rate variation due to aging, aging, etc. without using an external sensor. An adjusting actuator includes a piezoelectric element for adjusting the position of the operating member positioned at the open position, and the drive circuit of the adjusting actuator includes a detecting unit for detecting an electric signal related to the amount of strain generated in the piezoelectric element, and a control unit for controlling the adjusting actuator so that the opening degree of the flow path by the valve element becomes the target opening degree based on the electric signal related to the amount of strain of the piezoelectric element.Type: ApplicationFiled: September 11, 2018Publication date: September 3, 2020Applicant: FUJIKIN INCORPORATEDInventors: Kenta KONDO, Toshihide YOSHIDA, Kenji AIKAWA, Hidenobu SATO, Tomohiro NAKATA, Tsutomu SHINOHARA, Masahiko TAKIMOTO
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Publication number: 20200224776Abstract: A valve device includes a valve body that defines flow paths, a diaphragm provided so as to be capable of opening and closing the flow paths, an operation member provided so as to be capable of moving in opening and closing directions that open and close the flow paths by operating the diaphragm, a main actuator that applies a driving force corresponding to an operating pressure applied in the opening direction or the closing direction of the opening and closing directions with respect to the operation member, a switching mechanism capable of selectively switching a position of the operation member that regulates a degree of opening of the flow paths between a first open position and a second open position in accordance with a magnitude of the operating pressure, and regulating mechanisms capable of independently regulating the first open position and the second open position.Type: ApplicationFiled: November 2, 2017Publication date: July 16, 2020Applicant: FUJIKIN INCORPORATEDInventors: Toshihide YOSHIDA, Tomohiro NAKATA, Tsutomu SHINOHARA, Toshiyuki INADA, Takashi FUNAKOSHI, Hidenobu SATO, Tomoko YUHARA
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Publication number: 20200183368Abstract: An information processor includes a controller that is configured to: produce, on the basis of use information of a device manufactured under a manufacturing condition based on spec information, appropriate spec information representing an appropriate spec which is appropriate to the device; and determine a manufacturing condition for the device on the basis of the appropriate spec information.Type: ApplicationFiled: January 31, 2020Publication date: June 11, 2020Inventors: Tatsuhiko SATO, Tomohiro NAKATA, Hidenobu SATO
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Publication number: 20200149653Abstract: An actuator includes a casing having a first annular groove formed in an inner peripheral portion thereof; a piston having a second annular groove formed in an outer peripheral portion thereof, provided in the casing to form a pressure chamber together with the casing, and driven by a drive fluid from an outside of the actuator; and an annular seal member having a first fitting portion to be fitted into the first annular groove and a second fitting portion to be fitted into the second annular groove to seal the pressure chamber.Type: ApplicationFiled: January 3, 2020Publication date: May 14, 2020Inventors: Takeru MIURA, Tsutomu SHINOHARA, Tomohiro NAKATA, Toshiyuki INADA, Kazunari WATANABE, Kenta KONDO, Hidenobu SATO, Tomoko YUHARA
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Publication number: 20200141428Abstract: An actuator includes: a casing; a pressure reducing valve and a piston. The pressure reducing valve is provided in the casing to reduce a pressure of a driving fluid supplied from an outside of the casing to a predetermined level. The piston is provided in the casing to form a pressure chamber together with the casing. The piston is driven by the driving fluid that has been pressure-reduced to the predetermined level.Type: ApplicationFiled: January 3, 2020Publication date: May 7, 2020Inventors: Takeru MIURA, Tsutomu SHINOHARA, Tomohiro NAKATA, Toshiyuki INADA, Kazunari WATANABE, Kenta KONDO, Hidenobu SATO, Tomoko YUHARA
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Publication number: 20200088307Abstract: A gas supply system is provided with an automatic valve that is provided in a flow passage and adjusts a flow rate of process gas supplied to a chamber by automatic opening and closing, and a manual valve that is provided downstream of the automatic valve in the flow path and in immediate vicinity of the chamber and adjusts the flow rate of the process gas by manual opening and closing. The manual valve is a direct diaphragm valve having a diaphragm that is placed and separated on and from a seat in conjunction with a stem and a disk along with opening and closing, and includes a stroke adjusting mechanism that adjusts a valve stroke.Type: ApplicationFiled: June 6, 2018Publication date: March 19, 2020Applicant: FUJIKIN INCORPORATEDInventors: Takeru MIURA, Tomohiro NAKATA, Toshiyuki INADA, Kazunari WATANABE, Kenta KONDO, Hidenobu SATO
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Patent number: 9951882Abstract: Provided is a cap for a handwheel that opens and closes a valve, capable of being readily attached to the handwheel without requiring a large space around the handwheel. The cap has easily switchable two working modes: One is a co-rotation mode where the cap is capable of rotating with the handwheel and the other is an independent rotation mode where the cap is capable of rotating independently of the handwheel. The cap has an internal casing to be securely fitted to the handwheel; an external casing being rotatable around its axis and having the internal casing in an interior thereof; a clutch for connecting the external casing with the internal casing and for disconnecting the former from the latter; and a maintaining member for keeping the external casing rotatable independently of the internal casing when they are disconnected by the clutch.Type: GrantFiled: February 6, 2015Date of Patent: April 24, 2018Assignee: Fujikin IncorporatedInventors: Yusuke Iwanaga, Hidenobu Sato, Takahiro Matsuda
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Publication number: 20160341332Abstract: Provided is a cap for a handwheel that opens and closes a valve, capable of being readily attached to the handwheel without requiring a large space around the handwheel. The cap has easily switchable two working modes: One is a co-rotation mode where the cap is capable of rotating with the handwheel and the other is an independent rotation mode where the cap is capable of rotating independently of the handwheel. The cap has an internal casing to be securely fitted to the handwheel; an external casing being rotatable around its axis and having the internal casing in an interior thereof; a clutch for connecting the external casing with the internal casing and for disconnecting the former from the latter; and a maintaining member for keeping the external casing rotatable independently of the internal casing when they are disconnected by the clutch.Type: ApplicationFiled: February 6, 2015Publication date: November 24, 2016Inventors: Yusuke IWANAGA, Hidenobu SATO, Takahiro MATSUDA