Patents by Inventor Yoshiki Kitamura
Yoshiki Kitamura 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: 20240149317Abstract: A cold rolling mill rolling condition setting method using a prediction model being generated with an explanatory variable being first multi-dimensional data obtained by transforming past rolling performance data including pre-cold rolling data of a roll material on an entry side of the cold rolling mill into multi-dimensional data, and an objective variable being post-cold rolling data of the roll material on a delivery side of the cold rolling mill, the method includes: estimating a post-rolling shape of a roll target material by inputting, to the prediction model, second multi-dimensional data generated from information including the pre-cold rolling data of the roll target material on the entry side of the cold rolling mill and a target rolling condition of the cold rolling mill; and changing the target rolling condition of the cold rolling mill such that the estimated post-rolling shape of the roll target material satisfies a predetermined condition.Type: ApplicationFiled: February 1, 2022Publication date: May 9, 2024Applicant: JFE STEEL CORPORATIONInventors: Noriki FUJITA, Takuya KITAMURA, Tetsuya ARAKAWA, Yoshiki IKOMA, Takumi YAMADA
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Publication number: 20240091833Abstract: A cold rolling mill rolling condition calculation method includes: an estimation step of estimating a rolling constraint condition with respect to a target steady rolling condition of a roll target material, by inputting second multi-dimensional data to a prediction model, the prediction model having been trained with explanatory variable and response variable, the explanatory variable being first multi-dimensional data generated based on non-steady rolling performance data, among past rolling performance in rolling a roll material by a cold rolling mill, and the response variable being steady rolling performance data and rolling constraint condition data during steady rolling, and the second multi-dimensional data having been generated based on non-steady rolling performance data of the roll target material; and a change step of changing the target steady rolling condition so that the estimated rolling constraint condition satisfies a predetermined condition.Type: ApplicationFiled: October 29, 2021Publication date: March 21, 2024Applicant: JFE Steel CorporationInventors: Noriki Fujita, Takuya Kitamura, Tetsuya Arakawa, Yoshiki Ikoma, Miwa Ohashi
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Patent number: 6873073Abstract: A rotor core, rotating in the vicinity of a generating coil, comprises a balance weight section and a pair of magnetic poles, provided on opposite sides of the balance weight section 2 with respect to a center of rotation O of the rotor core 1 to sandwich a magnet, and confronting through a magnetic gap G. A magnet holding section 9 for preventing the magnet 5 flying out through the magnetic gap G due to centrifugal force, is provided integrally contiguous to each of the magnetic poles so as to connect between the two magnetic poles.Type: GrantFiled: June 25, 2002Date of Patent: March 29, 2005Assignee: Oppama Industry Co., Ltd.Inventors: Masao Iwata, Kiyoshige Enomoto, Yoshiki Kitamura, Shigeyuki Suzuki
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Patent number: 6584957Abstract: A contactless ignition system is provided with an ignition charge discharge condenser for charging an induced voltage of a generating coil, a first switching element, triggered to conduct when an induced voltage of a trigger coil reaches an initial trigger level, for supplying a voltage charged into the ignition charge discharge condenser into an ignition coil, and a trigger control condenser for charging induced voltages of the generating coil and the trigger coil, and triggering of the first switching element caused by an induced voltage of the trigger coil is inhibited by a second switching element during a specified discharge time following charging of the trigger control condenser.Type: GrantFiled: June 24, 2002Date of Patent: July 1, 2003Assignee: Oppama Industry Co., Ltd.Inventors: Masao Iwata, Kiyoshige Enomoto, Yoshiki Kitamura, Shigeyuki Suzuki
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Publication number: 20030056756Abstract: A contactless ignition system is provided with an ignition charge discharge condenser for charging an induced voltage of a generating coil, a first switching element, triggered to conduct when an induced voltage of a trigger coil reaches an initial trigger level, for supplying a voltage charged into the ignition charge discharge condenser into an ignition coil, and a trigger control condenser for charging induced voltages of the generating coil and the trigger coil, and triggering of the first switching element caused by an induced voltage of the trigger coil is inhibited by a second switching element during a specified discharge time following charging of the trigger control condenser.Type: ApplicationFiled: June 24, 2002Publication date: March 27, 2003Inventors: Masao Iwata, Kiyoshige Enomoto, Yoshiki Kitamura, Shigeyuki Suzuki
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Publication number: 20030011263Abstract: A rotor core, rotating in the vicinity of a generating coil, comprises a balance weight section and a pair of magnetic poles, provided on opposite sides of the balance weight section 2 with respect to a center of rotation O of the rotor core 1 to sandwich a magnet, and confronting through a magnetic gap G. A magnet holding section 9 for preventing the magnet 5 flying out through the magnetic gap G due to centrifugal force, is provided integrally contiguous to each of the magnetic poles so as to connect between the two magnetic poles.Type: ApplicationFiled: June 25, 2002Publication date: January 16, 2003Inventors: Masao Iwata, Kiyoshige Enomoto, Yoshiki Kitamura, Shigeyuki Suzuki
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Patent number: 6467147Abstract: By inserting a male screw for fixing a ratchet claw into a nut placed on an insert core and the like to prevent rotation, it is possible to eliminate additional screw processing on the insert core, to increase magnetic resistance between a magnet and the insert core provided with the former, to concentrate irradiation of magnetic flux from the second magnet pole toward outside and to fix the magnet and the second magnet pole onto the insert core with screws. Further, by tapering an axial hole of the rotor, it is possible to easily and accurately attach the insert core or the rotor to a crankshaft. Furthermore, by inserting a removal parts of a removal tool into a perforation hole of the rotor, it is possible to realize quick and simple removal of the rotor from the crankshaft.Type: GrantFiled: October 18, 1999Date of Patent: October 22, 2002Assignee: Oppama Industry Co., Ltd.Inventors: Masao Iwata, Yoshiki Kitamura, Norio Kawai
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Publication number: 20020047421Abstract: By inserting a male screw for fixing a ratchet claw into a nut placed on an insert core and the like to prevent rotation, it is possible to eliminate additional screw processing on the insert core, to increase magnetic resistance between a magnet and the insert core provided with the former, to concentrate irradiation of magnetic flux from the second magnet pole toward outside and to fix the magnet and the second magnet pole onto the insert core with screws. Further, by tapering an axial hole of the rotor, it is possible to easily and accurately attach the insert core or the rotor to a crankshaft. Furthermore, by inserting a removal parts of a removal tool into a perforation hole of the rotor, it is possible to realize quick and simple removal of the rotor from the crankshaft.Type: ApplicationFiled: October 18, 1999Publication date: April 25, 2002Inventors: MASAO IWATA, YOSHIKI KITAMURA, NORIO KAWAI
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Patent number: 6023828Abstract: By inserting a male screw for fixing a ratchet claw into a nut placed on an insert core and the like to prevent rotation, it is possible to eliminate additional screw processing on the insert core, to increase magnetic resistance between a magnet and the insert core provided with the former, to concentrate irradiation of magnetic flux from the second magnet pole toward outside and to fix the magnet and the second magnet pole onto the insert core with screws. Further, by tapering an axial hole of the rotor, it is possible to easily and accurately attach the insert core or the rotor to a crankshaft. Furthermore, by inserting a removal parts of a removal tool into a perforation hole of the rotor, it is possible to realize quick and simple removal of the rotor from the crankshaft.Type: GrantFiled: June 26, 1997Date of Patent: February 15, 2000Assignee: Oppama Industry Co., Ltd.Inventors: Masao Iwata, Yoshiki Kitamura, Norio Kawai
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Patent number: 5903079Abstract: A rotor core is provided with a pole piece portion holding a magnet and a balance weight portion, wherein said hub fitting hole is inserted a metal hub having a tapered axis hole and part fitting portion so as to be fixed each other, and said rotor core is coated with synthetic resins, thereby the use of metal can be limited only to parts where mechanical strength is required so that the whole rotor weight can be reduced and can be assembled easily, and be allow various parts can be fitted stably, and the degradation of magnetic properties of the magnet can be prevented.Type: GrantFiled: December 18, 1997Date of Patent: May 11, 1999Assignee: Oppama Industry Co. Ltd.Inventors: Masao Iwata, Yoshiki Kitamura, Shigeru Ohtake
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Patent number: 5811908Abstract: By inserting a male screw for fixing a ratchet claw into a nut placed on an insert core and the like to prevent rotation, it is possible to eliminate additional screw processing on the insert core, to increase magnetic resistance between a magnet and the insert core provided with the former, to concentrate irradiation of magnetic flux from the second magnet pole toward outside and to fix the magnet and the second magnet pole onto the insert core with screws. Further, by tapering an axial hole of the rotor, it is possible to easily and accurately attach the insert core or the rotor to a crankshaft. Furthermore, by inserting a removal parts of a removal tool into a perforation hole of the rotor, it is possible to realize quick and simple removal of the rotor from the crankshaft.Type: GrantFiled: May 1, 1996Date of Patent: September 22, 1998Assignee: Oppama Industry Co. Ltd.Inventors: Masao Iwata, Yoshiki Kitamura, Norio Kawai
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Patent number: 5287582Abstract: An adhering substance peeling apparatus provided with a vertically reciprocating scraping blade at the lower end of an operating rod of a proper length so that chewing gum, dirt and other adhering substances adhering to the ground surface or the like may be peeled off while the worker is standing upright.Type: GrantFiled: June 22, 1993Date of Patent: February 22, 1994Assignee: Oppama Kogyo Kabushiki KaishaInventors: Norio Kawai, Yoshiki Kitamura