Patents by Inventor Satoru Matsuno
Satoru Matsuno 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: 20230275295Abstract: The present invention achieves an electric device system having: a low/intermediate-voltage battery pack 201 capable of outputting a low voltage (18 V) or an intermediate voltage (36 V); an intermediate/high-voltage battery pack 301 capable of outputting the intermediate voltage or a high voltage (72 V); a low-voltage device main body 1 configured to be connected to the low/intermediate-voltage battery pack and supplied with the low voltage; an intermediate-voltage device main body 31 configured to be connected to the low/intermediate-voltage battery pack and the intermediate/high-voltage battery pack and supplied with the intermediate voltage; and a high-voltage device main body 61 configured to be connected to the intermediate/high-voltage battery pack and supplied with the high voltage.Type: ApplicationFiled: September 3, 2021Publication date: August 31, 2023Applicant: Koki Holdings Co., Ltd.Inventors: Hayato Yamaguchi, Tomomasa NISHIKAWA, Satoru MATSUNO
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Publication number: 20230263116Abstract: A plant cultivation apparatus including a conveyor that contains a conveying device for a cultivation bed and a blowing means that sends a flow of air to plants on the cultivation bed on the conveying device. The plant cultivation apparatus is provided with a space for causing the flow of air to pass between the cultivation bed adjacent in a conveying direction and pass through a bottom surface of the conveying device.Type: ApplicationFiled: April 27, 2023Publication date: August 24, 2023Applicants: Mitsubishi Chemical Aqua Solutions Co., Ltd., Creo Technology Co,. Inc.Inventors: Junya FUSE, Satoru MATSUNO, Yasutaka AZUMAYA, Yasumasa MIYAKE, Yuichiro TAKASAKI, Seiichi AKIMOTO
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Patent number: 11411277Abstract: The purpose of the invention is to provide a battery pack and a power tool on which the same can be detachably mounted such that compatibility can be ensured even if the dimensions of the battery cells therefor are changed, as well as a battery pack and power tool set. A second battery pack is provided with second battery cells, a second case which houses the second battery cells, a second latch portion for mounting the second battery pack to the power tool, and a second latch operating portion. The second battery pack has a larger case width than that of a specified battery pack for housing battery cells shorter than the second battery cells. However, as the rail width is the same, the second battery pack can be detachably mounted to the power tool in place of the specified battery pack.Type: GrantFiled: March 31, 2017Date of Patent: August 9, 2022Assignee: Koki Holdings Co., Ltd.Inventors: Tomomasa Nishikawa, Satoru Matsuno, Mitsutaka Sakamoto
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Publication number: 20190148687Abstract: The purpose of the invention is to provide a battery pack and a power tool on which the same can be detachably mounted such that compatibility can be ensured even if the dimensions of the battery cells therefor are changed, as well as a battery pack and power tool set. A second battery pack is provided with second battery cells, a second case which houses the second battery cells, a second latch portion for mounting the second battery pack to the power tool, and a second latch operating portion. The second battery pack has a larger case width than that of a specified battery pack for housing battery cells shorter than the second battery cells. However, as the rail width is the same, the second battery pack can be detachably mounted to the power tool in place of the specified battery pack.Type: ApplicationFiled: March 31, 2017Publication date: May 16, 2019Applicant: Koki Holdings Co., Ltd.Inventors: Tomomasa NISHIKAWA, Satoru MATSUNO, Mitsutaka SAKAMOTO
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Publication number: 20170259412Abstract: In order to suppress a galling phenomenon between an impact member and a rotating member even when a gouging force acts on an impact tool, an inclined portion is provided between a wall portion which is provided between a pair of hammer cams and in a circumferential direction of a through-hole and a bottom portion which is provided in each center portion of the hammer cams and in the circumferential direction of the through-hole, the inclined portion which has a smaller size than a size of the wall portion in the shaft direction of the through-hole and a larger size than a size of the bottom portion in the shaft direction of the through-hole and against which the spindle is pushed when the first pawl and the second pawl are engaged with each other.Type: ApplicationFiled: July 24, 2015Publication date: September 14, 2017Inventors: Tomomasa NISHIKAWA, Tetsuhiro HARADA, Satoru MATSUNO
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Publication number: 20170144278Abstract: In order to increase the screw tightening speed and improve the work efficiency, three first pawls 30e of a hammer 30 and three second pawls 18d of an anvil 18 are provided, so that a striking interval can be set to “interval of 120 degrees”, which is shorter than that of the related art. By setting total inertia obtained by sum of inertia of a rotor 12b and inertia of a spindle 26 to a low value which is “300 kg·mm2” or less when converted in terms of a rotation axis of the spindle 26, the rotor 12b and the spindle 26 can be sufficiently accelerated and the work efficiency can be improved.Type: ApplicationFiled: June 19, 2015Publication date: May 25, 2017Applicants: HITACHI KOKI CO., LTD., HITACHI KOKI CO., LTD.Inventors: Tomomasa NISHIKAWA, Tetsuhiro HARADA, Nobuhiro TAKANO, Satoru MATSUNO
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Patent number: 9486867Abstract: A chainsaw having improved cutting workability is provided. A chainsaw is used to cut an object to be worked by a saw chain. A chainsaw main body is provided with an electric motor and a sprocket, and a guide bar around which the saw chain is wound is provided on the chainsaw main body. The guide bar is attached to the chainsaw main body by a screw member serving as an attaching member. A load sensor detects whether or not the guide bar is attached to the chainsaw main body. Rotation of the saw chain is prohibited based upon a signal from the load sensor when the guide bar is not attached to the chainsaw main body.Type: GrantFiled: December 25, 2012Date of Patent: November 8, 2016Assignee: HITACHI KOKI CO., LTD.Inventors: Yasuo Etou, Satoru Matsuno, Kouji Sagawa, Miyoji Onose, Yasutaka Shimizu, Ai Nakayama
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Patent number: 9381665Abstract: A chainsaw in which a remaining amount of chain oil to be supplied to a saw chain can be easily checked is provided. In a chainsaw 1 including: a saw chain 6 driven by a motor embedded in a main body; and an oil tank 11 in which the chain oil to be supplied to the saw chain 6 in wood cutting process is stored, an illumination unit (LED 15) is provided in vicinity of the oil tank 11. In this manner, the chain oil of the oil tank 11 positioned on a left side of the LED 15 can be illuminated. This illumination unit is configured to be used also as an illuminating device for illuminating the vicinity of the saw chain 6, that is, an area indicated by dotted lines from 21c to 21d. According to the present invention, in a dark location, the remaining amount of the chain oil can be checked, and besides, a positional relationship among the chainsaw 1 main body, the saw chain 6, and the periphery thereof can be easily visually checked, so that the working efficiency can be improved.Type: GrantFiled: February 12, 2013Date of Patent: July 5, 2016Assignee: HITACHI KOKI CO., LTD.Inventors: Miyoji Onose, Kouji Sagawa, Satoru Matsuno, Yasuo Etou, Ai Nakayama, Yasutaka Shimizu
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Publication number: 20150321377Abstract: A chainsaw in which a remaining amount of chain oil to be supplied to a saw chain can be easily checked is provided. In a chainsaw 1 including: a saw chain 6 driven by a motor embedded in a main body; and an oil tank 11 in which the chain oil to be supplied to the saw chain 6 in wood cutting process is stored, an illumination unit (LED 15) is provided in vicinity of the oil tank 11. In this manner, the chain oil of the oil tank 11 positioned on a left side of the LED 15 can be illuminated. This illumination unit is configured to be used also as an illuminating device for illuminating the vicinity of the saw chain 6, that is, an area indicated by dotted lines from 21c to 21d. According to the present invention, in a dark location, the remaining amount of the chain oil can be checked, and besides, a positional relationship among the chainsaw 1 main body, the saw chain 6, and the periphery thereof can be easily visually checked, so that the working efficiency can be improved.Type: ApplicationFiled: February 12, 2013Publication date: November 12, 2015Inventors: Miyoji ONOSE, Kouji SAGAWA, Satoru MATSUNO, Yasuo ETOU, Ai NAKAYAMA, Yasutaka SHIMIZU
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Patent number: 9044875Abstract: A chain saw includes: a motor driven by electric power; a housing configured to accommodate the motor; a guide bar attached to the housing; a chain blade wound around the guide bar; a sprocket engaged with the chain blade to drive the chain blade, wherein the chain saw is configured to transmit a driving force of the motor to the sprocket via a clutch mechanism, wherein the chain saw comprises a shut-off switch for detecting an actuation of the clutch mechanism and is configured such that the power supply to the motor is stopped when the actuation of the clutch mechanism is detected by the shut-off switch so as to brake electrically. The electrical brake is provided together with a mechanical brake that is configured to work when a hand guard is rotated.Type: GrantFiled: January 11, 2013Date of Patent: June 2, 2015Assignee: HITACHI KOKI CO., LTD.Inventors: Yasutaka Shimizu, Kouji Sagawa, Satoru Matsuno, Yasuo Etou, Ai Nakayama, Miyoji Onose
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Publication number: 20140345149Abstract: A chainsaw having improved cutting workability is provided. A chainsaw is used to cut an object to be worked by a saw chain. A chainsaw main body is provided with an electric motor and a sprocket, and a guide bar around which the saw chain is wound is provided on the chainsaw main body. The guide bar is attached to the chainsaw main body by a screw member serving as an attaching member. A load sensor detects whether or not the guide bar is attached to the chainsaw main body. Rotation of the saw chain is prohibited based upon a signal from the load sensor when the guide bar is not attached to the chainsaw main body.Type: ApplicationFiled: December 25, 2012Publication date: November 27, 2014Inventors: Yasuo Etou, Satoru Matsuno, Kouji Sagawa, Miyoji Onose, Yasutaka Shimizu, Ai Nakayama
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Patent number: 7681661Abstract: A cover which covers outer peripheries of fastening screws are disposed on an outer periphery of a hammer case. A stopper which detachably positions and fixes the cover to the outer periphery of the hammer case is disposed.Type: GrantFiled: November 1, 2005Date of Patent: March 23, 2010Assignee: Hitachi Koki Co., Ltd.Inventors: Masato Sakai, Satoru Matsuno, Masanori Watanabe, Chikai Yoshimizu
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Patent number: 7665541Abstract: A cover which covers outer peripheries of fastening screws are disposed on an outer periphery of a hammer case. A stopper which detachably positions and fixes the cover to the outer periphery of the hammer case is disposed.Type: GrantFiled: September 8, 2008Date of Patent: February 23, 2010Assignee: Hitachi Koki Co., Ltd.Inventors: Masato Sakai, Satoru Matsuno, Masanori Watanabe, Chikai Yoshimizu
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Publication number: 20090014194Abstract: A cover which covers outer peripheries of fastening screws are disposed on an outer periphery of a hammer case. A stopper which detachably positions and fixes the cover to the outer periphery of the hammer case is disposed.Type: ApplicationFiled: September 8, 2008Publication date: January 15, 2009Applicant: Hitachi Koki Co., Ltd.Inventors: Masato Sakai, Satoru Matsuno, Masanori Watanabe, Chikai Yoshimizu
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Patent number: 7108079Abstract: A cover which covers outer peripheries of fastening screws are disposed on an outer periphery of a hammer case. A stopper which detachably positions and fixes the cover to the outer periphery of the hammer case is disposed.Type: GrantFiled: December 17, 2002Date of Patent: September 19, 2006Assignee: Hitachi Koki Co., Ltd.Inventors: Masato Sakai, Satoru Matsuno, Masanori Watanabe, Chikai Yoshimizu
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Publication number: 20060048959Abstract: A cover which covers outer peripheries of fastening screws are disposed on an outer periphery of a hammer case. A stopper which detachably positions and fixes the cover to the outer periphery of the hammer case is disposed.Type: ApplicationFiled: November 1, 2005Publication date: March 9, 2006Applicant: Hitachi Koki Co., Ltd.Inventors: Masato Sakai, Satoru Matsuno, Masanori Watanabe, Chikai Yoshimizu
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Publication number: 20040052061Abstract: A mounting structure of a wireless module having low cost and excellent productivity is provided. In the mounting structure of a wireless module according to the present, a cover 4 has a box-shaped cover portion 4a and one or a plurality of leg portions 4b projected downward from the cover portion 4a. First through holes 1a for inserting the leg portions 4b are provided in the circuit board 1, and second through holes 6a for inserting the leg portions 4b are provided in the motherboard 6. Since the leg portions 4b are soldered to the circuit board 1 and the motherboard 6 at the first and second through holes 1a, 6a in a state that the leg portions 4b are inserted into the first and second through holes 1a, 6a, respectively, the cover 4 also serves as the conventional protective cover. Therefore, this invention has less components than the conventional art, decreases the cost, simplifies the mounting process of the cover, and thus provides excellent productivity.Type: ApplicationFiled: September 9, 2003Publication date: March 18, 2004Applicant: Alps Electric Co., Ltd.Inventors: Satoru Matsuno, Hideki Watanabe
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Publication number: 20030159843Abstract: A cover which covers outer peripheries of fastening screws are disposed on an outer periphery of a hammer case. A stopper which detachably positions and fixes the cover to the outer periphery of the hammer case is disposed.Type: ApplicationFiled: December 17, 2002Publication date: August 28, 2003Applicant: Hitachi Koki Co., Ltd.Inventors: Masato Sakai, Satoru Matsuno, Masanori Watanabe, Chikai Yoshimizu