Patents by Inventor Kazuo Itoh
Kazuo Itoh 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: 20240124244Abstract: A conveying roller, a conveyor device, and an inclined conveyor for objects. A conveying roller comes into contact with an object and moves the object, the conveying roller including: a core member and a plurality of blade-shaped pieces, the blade-shaped piece being elastically deformable and being provided around the core member.Type: ApplicationFiled: March 7, 2022Publication date: April 18, 2024Inventors: Kazuo ITOH, Tatsuhiko NAKAMURA, Koji UEDA, Atsushi NISHIMURA
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Publication number: 20230416011Abstract: There is provided a conveyance device capable of reducing the frequency of stopping.Type: ApplicationFiled: October 19, 2021Publication date: December 28, 2023Inventors: Kazuo ITOH, Toshiyuki TACHIBANA, Akira TAKANAGA, Mitsuo INOUE, Shin ASADA
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Patent number: 11760575Abstract: A conveyance device and a planar conveyance apparatus capable of carrying out an article in any direction. The conveyance device includes an energizing mechanism unit configured to energize and move an article and a rotation mechanism unit configured to rotate the energizing mechanism unit itself, and is capable of changing a moving direction of the article by rotating the energizing mechanism unit with the rotation mechanism unit. The energizing mechanism unit includes an energizing mechanism side motor, and the energizing mechanism side motor includes a coil on a center side and an outer body surrounding the coil, and is an outer rotor type motor in which the outer body rotates. The energizing mechanism side motor is disposed such that a central shaft of the outer body is in a substantially horizontal posture, and the outer body energizes the article by coming into contact with the article directly or through a freely-rotating rotor interposed therebetween.Type: GrantFiled: January 26, 2021Date of Patent: September 19, 2023Assignee: Itoh Denki Co., Ltd.Inventors: Kazuo Itoh, Tatsuhiko Nakamura, Hideo Naiki, Kentarou Iwasawa
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Publication number: 20230087156Abstract: A conveyance device and a planar conveyance apparatus having a simple structure and capable of carrying out an article in any direction are developed. A conveyance device 1 that includes an energizing mechanism unit 2 configured to energize and move an article and a rotation mechanism unit 3 configured to rotate the energizing mechanism unit itself, and is capable of changing a moving direction of the article by rotating the energizing mechanism unit 2 with the rotation mechanism unit 3. The energizing mechanism unit 2 includes an energizing mechanism side motor 10, and the energizing mechanism side motor 10 includes a coil 32 on a center side and an outer body 30 surrounding the coil 32, and is an outer rotor type motor in which the outer body 30 rotates.Type: ApplicationFiled: January 26, 2021Publication date: March 23, 2023Inventors: Kazuo ITOH, Tatsuhiko NAKAMURA, Hideo NAIKI, Kentarou IWASAWA
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Publication number: 20220112036Abstract: Provided is a method for manufacturing a conveyance device capable of accurately completing the conveyance device imagined by a customer in a relatively short time. In a method for manufacturing a conveyance device, one or a plurality of operation confirmation devices that visually confirms an operation of the conveyance device is used, the method includes exhibiting a desired operation of the conveyance device in a video by the operation confirmation device and confirming a required operation of the conveyance device in a specification confirmation step, inputting data for realizing the required operation or realizing an operation similar to the required operation to the operation confirmation device, and exhibiting the operation of the conveyance device in a video based on the data that has been input in a virtual operation confirmation step, and inputting the data to an actual individual controller of the conveyance unit in a data input step.Type: ApplicationFiled: October 7, 2021Publication date: April 14, 2022Inventors: Kazuo ITOH, Toshiyuki TACHIBANA, Mitsuo INOUE, Akira TAKANAGA
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Patent number: 11273986Abstract: A conveyance roller 3 including a support shaft 31, a main rotating portion 34, and a sub rotating portion 35, and a driving body 50 that is in contact with the main rotating portion 34 and the sub rotating portion 35 and that supplies a rotational force to the main rotating portion 34 and the sub rotating portion 35 are provided, wherein the main rotating portion 34 and the sub rotating portion 35 are attached along the support shaft 31 and are rotatable independently of each other around the support shaft 31, the sub rotating portion 35 is not configured to contact an object to be conveyed but the main rotating portion 34 is configured to contact the object to be conveyed and bias the object to be conveyed, the driving body 50 is rotated by power around a rotation shaft 51 in a direction intersecting with the support shaft 31, the support shaft 31 is configured to change an orientation of the support shaft 31 by rotating around the rotation shaft 51, and the driving body 50 is in contact with the main rotatType: GrantFiled: October 29, 2020Date of Patent: March 15, 2022Assignee: Itoh Denki Co., Ltd.Inventors: Kazuo Itoh, Tatsuhiko Nakamura, Koji Ueda, Takuya Nagasawa
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Publication number: 20220024697Abstract: Conveyer device including a local controller provided in each zone for controlling a transport operation of the zone, and host controller that reports information relating to a cause of non-transport are included. Host controller includes mouse and the like for receiving, from a user, a selection instruction through which one of a plurality of zones is selected, and report processor that obtains, as clue information, information relating to a phenomenon that can be the cause of the non-transport of a conveyed object, from local controller of the target zone, and reports cause information corresponding to information relating to the cause based on the clue information, when the clue information satisfies a determination condition previously set.Type: ApplicationFiled: October 4, 2021Publication date: January 27, 2022Inventors: Kazuo ITOH, Toshiyuki TACHIBANA, Tomoya MATOBA
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Patent number: 11097899Abstract: An objective is to develop a conveyor device capable of conveying a conveyance object in a plurality of directions. The conveyor device includes a roller portion (rotating body) 30 and a driving body 50. The rotating body 30 is rotatable around at least a first rotation axis 60, and the rotating body is rotatable around a second rotation axis 61 in a direction intersecting with the first rotation axis 60, and changes an attitude by rotating to change a direction of the first rotation axis 60. The driving body 50 is rotated by power around a third rotation axis 62, and the third rotation axis 62 extends in a direction intersecting with the first rotation axis 60. The driving body 50 is in contact with the rotating body at a position eccentric to one end in the direction of the first rotation axis 60 relative to the second rotation axis 61 regardless of attitude-changing of the rotating body.Type: GrantFiled: February 25, 2019Date of Patent: August 24, 2021Assignee: Itoh Denki Co., Ltd.Inventors: Kazuo Itoh, Tatsuhiko Nakamura, Takahiro Itoh
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Publication number: 20210139244Abstract: A conveyance roller 3 including a support shaft 31, a main rotating portion 34, and a sub rotating portion 35, and a driving body 50 that is in contact with the main rotating portion 34 and the sub rotating portion 35 and that supplies a rotational force to the main rotating portion 34 and the sub rotating portion 35 are provided, wherein the main rotating portion 34 and the sub rotating portion 35 are attached along the support shaft 31 and are rotatable independently of each other around the support shaft 31, the sub rotating portion 35 is not configured to contact an object to be conveyed but the main rotating portion 34 is configured to contact the object to be conveyed and bias the object to be conveyed, the driving body 50 is rotated by power around a rotation shaft 51 in a direction intersecting with the support shaft 31, the support shaft 31 is configured to change an orientation of the support shaft 31 by rotating around the rotation shaft 51, and the driving body 50 is in contact with the main rotatType: ApplicationFiled: October 29, 2020Publication date: May 13, 2021Inventors: Kazuo Itoh, Tatsuhiko Nakamura, Koji Ueda, Takuya Nagasawa
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Publication number: 20210124324Abstract: Conveyor system may comprise conveyor mechanism(s) provided with transport path(s) along which conveyed object(s) are conveyed to transport destination(s); electric current detector(s) and/or abnormality detector(s) that detect triggering event(s) which may be event(s) occurring at conveyor mechanism(s) due to conveyed object(s) during transport of conveyed object(s); and removal processor(s) that, when triggering event(s) detected by electric current detector(s) and/or abnormality detector(s) satisfy triggering condition(s), cause conveyed object(s) to be transported by conveyor mechanism(s) to removal area(s) which are not transport destination(s).Type: ApplicationFiled: October 12, 2020Publication date: April 29, 2021Inventors: Kazuo ITOH, Tetsuya ITOH, Tomoya MATOBA
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Publication number: 20200385213Abstract: An objective is to develop a conveyor device capable of conveying a conveyance object in a plurality of directions. The conveyor device includes a roller portion (rotating body) 30 and a driving body 50. The rotating body 30 is rotatable around at least a first rotation axis 60, and the rotating body is rotatable around a second rotation axis 61 in a direction intersecting with the first rotation axis 60, and changes an attitude by rotating to change a direction of the first rotation axis 60. The driving body 50 is rotated by power around a third rotation axis 62, and the third rotation axis 62 extends in a direction intersecting with the first rotation axis 60. The driving body 50 is in contact with the rotating body at a position eccentric to one end in the direction of the first rotation axis 60 relative to the second rotation axis 61 regardless of attitude-changing of the rotating body.Type: ApplicationFiled: February 25, 2019Publication date: December 10, 2020Inventors: Kazuo Itoh, Tatsuhiko Nakamura, Takahiro Itoh
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Patent number: 10766714Abstract: A lifting device 1 includes an upper station 2, a lower station 3, and lifting and lowering placing tables 10 and 11. The upper station 2 and the lower station 3 have horizontal placing tables 5 and 6, respectively. The horizontal placing tables 5 and 6 move only in the horizontal direction. The lifting and lowering placing tables 10 and 11 move only in the vertical direction. When any of the lifting and lowering placing tables 10 and 11 is in the upper station 2, the upper side horizontal placing table 5 is at a position adjacent to the lifting and lowering placing tables 10 and 11 to form a series of conveying passages. When the lifting and lowering placing tables 10 and 11 move away from the upper station 2, the upper side horizontal placing table 5 moves to a position where the lifting and lowering placing tables 10 and 11 used to exist.Type: GrantFiled: June 22, 2017Date of Patent: September 8, 2020Assignee: Itoh Denki Co., Ltd.Inventors: Kazuo Itoh, Tatsuhiko Nakamura, Takuya Nagasawa
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Publication number: 20200122935Abstract: A lifting device 1 includes an upper station 2, a lower station 3, and lifting and lowering placing tables 10 and 11. The upper station 2 and the lower station 3 have horizontal placing tables 5 and 6, respectively. The horizontal placing tables 5 and 6 move only in the horizontal direction. The lifting and lowering placing tables 10 and 11 move only in the vertical direction. When any of the lifting and lowering placing tables 10 and 11 is in the upper station 2, the upper side horizontal placing table 5 is at a position adjacent to the lifting and lowering placing tables 10 and 11 to form a series of conveying passages. When the lifting and lowering placing tables 10 and 11 move away from the upper station 2, the upper side horizontal placing table 5 moves to a position where the lifting and lowering placing tables 10 and 11 used to exist.Type: ApplicationFiled: June 22, 2017Publication date: April 23, 2020Inventors: Kazuo ITOH, Tatsuhiko NAKAMURA, Takuya NAGASAWA
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Patent number: 10597237Abstract: The lifting and lowering apparatus includes a plurality of shelf members 6 and 7 and a lifting and lowering mechanism 8. The shelf members 6 and 7 respectively include placing tables A and B positioned on different heights, and each placing table is provided with a conveying unit 10. The shelf members 6 and 7 are lifted and lowered by the lifting and lowering mechanism 8, whereby the placing table A (B) of the shelf member 6 (7) which is one of the shelf members 6 and 7 is adjusted to be on the same height as the placing table B (A) of the other shelf member 7 (6), and with this state, an object is transferred from the placing table of one of the shelf members to the placing table of the other shelf member.Type: GrantFiled: September 28, 2018Date of Patent: March 24, 2020Assignee: ITOH DENKI CO., LTD.Inventors: Kazuo Itoh, Tatsuhiko Nakamura, Koji Takahashi
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Patent number: 10577189Abstract: A conveyance device capable of performing traveling operation and turning operation, a planar conveyance apparatus, and a conveyance unit. A conveyance device 1 has a travel part 5 having a belt 2 for allowing an article to be placed, and a turning table 6 that supports the travel part 5. The belt 2 is an endless member suspended between a pair of rollers 3. The belt 2 travels by being engaged with a driving body 4 to which power of a motor for traveling 9 is transmitted by a drive shaft 14. Power of a motor for turning 8 is transmitted to the turning table 6, so that the turning table 6 turns. That is, when the motor for turning 8 is driven, the travel part 5 turns along with the turning table 6.Type: GrantFiled: June 24, 2016Date of Patent: March 3, 2020Assignee: ITOH DENKI CO., LTD.Inventors: Kazuo Itoh, Tatsuhiko Nakamura, Kazuwo Miki
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Patent number: 10530477Abstract: A visible light communication apparatus includes: an on/off switch connected in series to a load circuit including a light emitting diode; an impedance circuit connected in series to the on/off switch; a feedback circuit that feeds back an error between a voltage drop across the impedance circuit and a reference voltage potential to a voltage source as a feedback signal; a drive circuit that turns on and off the on/off switch in accordance with a communication signal which is a binary signal; an isolation circuit that transmits power while being electrically isolated; and an auxiliary power supply circuit that is connected between two output terminals of the voltage source, generates an auxiliary supply voltage, and supplies power based on the auxiliary supply voltage generated to the on/off switch and the drive circuit via the isolation circuit.Type: GrantFiled: February 21, 2019Date of Patent: January 7, 2020Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Hiroyuki Nishino, Hiromichi Goto, Kazuo Itoh, Shojiro Kido, Teruhito Takeda
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Patent number: 10518975Abstract: An object of the present invention is to develop a conveying device capable of carrying out an object in multiple directions. The conveying device includes a plurality of conveying cells 1 that move the object, and the plurality of conveying cells 1 are arranged in plane. The conveying cell 1 includes a conveying direction changing unit that changes a conveying direction and a controller. An address is given to the conveying cell 1, and based on a conveying destination of the object carried in the conveying cell 1 and an own address of the conveying cell 1, the controller determines a carrying-out direction of the conveying cell 1 such that the object approaches the conveying destination.Type: GrantFiled: May 17, 2017Date of Patent: December 31, 2019Assignee: Itoh Denki Co., Ltd.Inventors: Kazuo Itoh, Toshiyuki Tachibana, Yoshiyuki Kujihashi, Masayuki Shimoda
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Patent number: 10486902Abstract: Provided is an article storage apparatus capable of effectively utilizing the capacity of a building. The article storage apparatus includes an article moving device 3. The article moving device 3 includes an X-direction travel wheel 38, a Y-direction travel wheel 48, a travel wheel lifting and lowering unit that lifts and lowers the travel wheels, and an article lifting and lowering unit that lifts and lowers an article. It is possible to lower the X-direction travel wheel 38 or the Y-direction travel wheel 48 so as to be set down on a travel passage by the travel wheel lifting and lowering unit and rotate the set-down travel wheel to cause the article moving device to travel in an X direction or a Y direction. It is possible to lift the article lifting and lowering unit to pick up an article on an article supporting member or lower the article lifting and lowering unit to transfer the article previously lifted by the article lifting and lowering unit onto the article supporting member.Type: GrantFiled: December 16, 2015Date of Patent: November 26, 2019Assignee: Itoh Denki Co., Ltd.Inventors: Kazuo Itoh, Tatsuhiko Nakamura, Kazuwo Miki
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Patent number: 10464756Abstract: A conveying device has: a main conveyor unit; a sub conveyor unit; and a lifting and lowering unit that lifts and lowers at least one of the main conveyor unit and the sub conveyor unit, wherein the main conveyor unit has a main conveying passage disposed in a fixed region, the main conveying passage conveying a conveyance object, wherein the sub conveyor unit has a sub conveying passage disposed in the fixed region, the sub conveying passage conveying the conveyance object in an intersecting direction with respect to a conveying direction of the main conveying passage, wherein a conveyance attitude is capable of being changed between a main conveyance attitude in which a conveying surface of the sub conveying passage is located below a conveying surface of the main conveying passage, and a sub conveyance attitude in which both ends in the intersecting direction of the conveying surface of the sub conveying passage are located above the conveying surface of the main conveying passage, and in the sub conveyancType: GrantFiled: October 11, 2017Date of Patent: November 5, 2019Assignee: Itoh Denki Co., Ltd.Inventors: Kazuo Itoh, Tatsuhiko Nakamura, Koji Ueda, Takahiro Itoh
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Patent number: D911289Type: GrantFiled: November 19, 2018Date of Patent: February 23, 2021Assignee: ITOH DENKI CO., LTD.Inventors: Kazuo Itoh, Tatsuhiko Nakamura, Hideo Naiki