Patents by Inventor Masayuki Kodani
Masayuki Kodani 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: 11799352Abstract: A motor device includes a motor body, a case that houses the motor body, a printed circuit board that controls the drive of the motor body and is supported by the case, and a ground bus bar that is arranged between the motor body and the printed circuit board and connects the motor body and ground of the printed circuit board.Type: GrantFiled: January 20, 2022Date of Patent: October 24, 2023Assignee: SHINANO KENSHI CO., LTD.Inventors: Eiji Hirachi, Naomasa Yoshida, Masayuki Kodani
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Publication number: 20220271611Abstract: A motor device includes a motor body, a case that houses the motor body, a printed circuit board that controls the drive of the motor body and is supported by the case, and a ground bus bar that is arranged between the motor body and the printed circuit board and connects the motor body and ground of the printed circuit board.Type: ApplicationFiled: January 20, 2022Publication date: August 25, 2022Applicant: SHINANO KENSHI CO., LTD.Inventors: Eiji HIRACHI, Naomasa YOSHIDA, Masayuki KODANI
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Patent number: 9563056Abstract: The optical scanner comprises: a motor having an rotor shaft; a rotor being attached to the rotor shaft; a tilt mirror having an inclined reflective surface and being attached to the rotor shaft together with the rotor; and a bearing section being provided to a stator housing and capable of rotatably holding the rotor shaft. The rotor and the tilt mirror are prohibited from detaching from and rotating with respect to the rotor shaft. A recessed part, through which the rotor shaft is penetrated, is formed in the tilt mirror. An elastic member, which always biases the tilt mirror toward the rotor, is provided between a retainer section and an inner bottom part of the recessed part.Type: GrantFiled: June 29, 2015Date of Patent: February 7, 2017Assignee: SHINANO KENSHI KABUSHIKI KAISHAInventors: Masayuki Kodani, Nobuchika Maruyama
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Patent number: 9557564Abstract: The rotary body driving apparatus for rotating a rotary body comprises: a rotor shaft, to which the rotary body and a rotor are attached, being rotatably held by a bearing section; a rotor magnet being attached to the rotor and partially exposed as a position detecting magnet; a first positioning section being formed in the rotor, the first positioning section corresponding to the position detecting magnet; and a second positioning section corresponding to a reference surface of the rotary body. The rotary body is attached to the rotor in a state where the first positioning section and the second positioning section are aligned so as to make circumferential positions of the reference surface and the position detecting magnet correspond to each other.Type: GrantFiled: June 29, 2015Date of Patent: January 31, 2017Assignee: SHINANO KENSHI KABUSHIKI KAISHAInventors: Masayuki Kodani, Nobuchika Maruyama
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Patent number: 9515533Abstract: The rotary body driving apparatus comprises: a rotary body having reflective surfaces; a motor having a rotor shaft; a rotor being attached to one end part of the rotor shaft together with the rotary body; a stator housing having a bearing section, which rotatably holds the rotor shaft; a motor substrate for detecting a rotational position of the rotor, the motor substrate being provided to the stator housing; a magnetized section for frequency generation, the magnetized section being formed into a ring shape and provided to an end surface of the rotary body facing the motor substrate; and a circular frequency generation pattern, which faces the magnetized section, being provided to the motor substrate and disposed close to the magnetized section.Type: GrantFiled: October 13, 2015Date of Patent: December 6, 2016Assignee: SHINANO KENSHI KABUSHIKI KAISHAInventors: Masayuki Kodani, Nobuchika Maruyama
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Patent number: 9470237Abstract: An electric fluid pump includes: a case including a recess portion into which a fluid flows; a rotor arranged in the recess portion; an axial member supporting the rotor; and a flange member insert-molded with the case and the axial member, secured to an end portion of the axial member, and buried in a bottom wall portion of the recess portion, wherein the flange member includes: a first flange portion; a reduced portion closer to an inner surface of the bottom wall portion than the first flange portion, and smaller than the first flange portion in a radial direction; and a second flange portion closer to the inner surface than the reduced portion, larger than the first flange portion in the radial direction, and partially exposed from the inner surface, and the inner surface is flat.Type: GrantFiled: January 8, 2014Date of Patent: October 18, 2016Assignee: SHINANO KENSHI CO., LTD.Inventors: Nobuchika Maruyama, Masayuki Kodani, Takeshi Miyasaka
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Patent number: 9411156Abstract: The optical scanner comprises: a rotor being attached to one end part of a rotor shaft; a polygon mirror having reflective surfaces and being attached to the rotor shaft; and a bearing section being provided to a stator housing and capable of rotatably holding the rotor shaft. A recessed part, through which the rotor shaft is penetrated, is formed in a top part of the polygon mirror. A retainer section of the rotor shaft, which is provided in the recessed part, and an elastic member, which is provided between the retainer section and an inner bottom part of the recessed part and which always biases the polygon mirror toward the rotor, are accommodated in the recessed part together with an end part of the rotor shaft.Type: GrantFiled: November 23, 2015Date of Patent: August 9, 2016Assignee: SHINANO KENSHI KABUSHIKI KAISHAInventors: Nobuchika Maruyama, Masayuki Kodani
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Patent number: 9391488Abstract: The rotary body driving apparatus comprises: a rotary body having a plurality of reflective surfaces; a rotor being attached to a rotor shaft together with the rotary body; a stator housing having a bearing section; a motor substrate for detecting a rotational position of the rotor; a circular magnetized section for frequency generation facing the motor substrate; a circular frequency generation pattern, which faces the magnetized section, being provided to the motor substrate and disposed close to the magnetized section; a position detecting section, which corresponds to a reference reflective surface of the rotary body, being radially outwardly or inwardly projected from a part of the magnetized section; and a magnetic sensor, which faces the position detecting section, being provided to the motor substrate.Type: GrantFiled: November 23, 2015Date of Patent: July 12, 2016Assignee: SHINANO KENSHI KABUSHIKI KAISHAInventors: Masayuki Kodani, Nobuchika Maruyama
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Patent number: 9385568Abstract: The stator of the electric motor comprises: a stator core; tooth sections being radially extended from the stator core; an even number of slots, each of which is formed between the tooth sections; an insulator covering the tooth sections; and motor coils being wound in the slots. The insulator has guide projections, each of which corresponds to each of the tooth sections so as to guide a magnet wire. The guide projections have guide sections, each of which includes a base end part and a front end part. In each of the guide sections, a radial thickness of at least one part located in the base end part is thin, a radial thickness of the front end part is thicker than that of the base end part. The guide sections are formed in same side faces of the guide projections arranged in the circumferential direction.Type: GrantFiled: November 4, 2013Date of Patent: July 5, 2016Assignees: SHINANO KENSHI KABUSHIKI KAISHA, YAMADA MANUFACTURING CO., LTD.Inventors: Masayuki Kodani, Nobuchika Maruyama, Keisuke Wakabayashi, Nobuyuki Kabasawa, Yasuaki Motegi, Daisuke Kiryu
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Publication number: 20160181888Abstract: The rotary body driving apparatus comprises: a rotary body having a plurality of reflective surfaces; a rotor being attached to a rotor shaft together with the rotary body; a stator housing having a bearing section; a motor substrate for detecting a rotational position of the rotor; a circular magnetized section for frequency generation facing the motor substrate; a circular frequency generation pattern, which faces the magnetized section, being provided to the motor substrate and disposed close to the magnetized section; a position detecting section, which corresponds to a reference reflective surface of the rotary body, being radially outwardly or inwardly projected from a part of the magnetized section; and a magnetic sensor, which faces the position detecting section, being provided to the motor substrate.Type: ApplicationFiled: November 23, 2015Publication date: June 23, 2016Inventors: Masayuki KODANI, Nobuchika MARUYAMA
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Publication number: 20160178896Abstract: The optical scanner comprises: a rotor being attached to one end part of a rotor shaft; a polygon mirror having reflective surfaces and being attached to the rotor shaft; and a bearing section being provided to a stator housing and capable of rotatably holding the rotor shaft. A recessed part, through which the rotor shaft is penetrated, is formed in a top part of the polygon mirror. A retainer section of the rotor shaft, which is provided in the recessed part, and an elastic member, which is provided between the retainer section and an inner bottom part of the recessed part and which always biases the polygon mirror toward the rotor, are accommodated in the recessed part together with an end part of the rotor shaft.Type: ApplicationFiled: November 23, 2015Publication date: June 23, 2016Inventors: Nobuchika MARUYAMA, Masayuki KODANI
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Publication number: 20160149458Abstract: The rotary body driving apparatus comprises: a rotary body having reflective surfaces; a motor having a rotor shaft; a rotor being attached to one end part of the rotor shaft together with the rotary body; a stator housing having a bearing section, which rotatably holds the rotor shaft; a motor substrate for detecting a rotational position of the rotor, the motor substrate being provided to the stator housing; a magnetized section for frequency generation, the magnetized section being formed into a ring shape and provided to an end surface of the rotary body facing the motor substrate; and a circular frequency generation pattern, which faces the magnetized section, being provided to the motor substrate and disposed close to the magnetized section.Type: ApplicationFiled: October 13, 2015Publication date: May 26, 2016Inventors: Masayuki KODANI, Nobuchika MARUYAMA
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Publication number: 20150378153Abstract: The rotary body driving apparatus for rotating a rotary body comprises: a rotor shaft, to which the rotary body and a rotor are attached, being rotatably held by a bearing section; a rotor magnet being attached to the rotor and partially exposed as a position detecting magnet; a first positioning section being formed in the rotor, the first positioning section corresponding to the position detecting magnet; and a second positioning section corresponding to a reference surface of the rotary body. The rotary body is attached to the rotor in a state where the first positioning section and the second positioning section are aligned so as to make circumferential positions of the reference surface and the position detecting magnet correspond to each other.Type: ApplicationFiled: June 29, 2015Publication date: December 31, 2015Inventors: Masayuki KODANI, Nobuchika MARUYAMA
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Publication number: 20150378152Abstract: The optical scanner comprises: a motor having an rotor shaft; a rotor being attached to the rotor shaft; a tilt mirror having an inclined reflective surface and being attached to the rotor shaft together with the rotor; and a bearing section being provided to a stator housing and capable of rotatably holding the rotor shaft. The rotor and the tilt mirror are prohibited from detaching from and rotating with respect to the rotor shaft. A recessed part, through which the rotor shaft is penetrated, is formed in the tilt mirror. An elastic member, which always biases the tilt mirror toward the rotor, is provided between a retainer section and an inner bottom part of the recessed part.Type: ApplicationFiled: June 29, 2015Publication date: December 31, 2015Inventors: Masayuki KODANI, Nobuchika MARUYAMA
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Patent number: 9048715Abstract: The rotor of the present invention is capable of improving magnetic characteristics, general versatility and ease of assembly. The rotor comprises: a rotor shaft; a ring-shaped rotor magnet being disposed coaxially with the rotor shaft; and a non-magnetic cover covering an outer circumference of the rotor magnet. The rotor magnet and the cover are integral-molded with molding resin in a state where an outer circumference of the cover is exposed and both end parts and an inner circumference of the rotor magnet are covered with the molding resin.Type: GrantFiled: July 23, 2012Date of Patent: June 2, 2015Assignees: SHINANO KENSHI KABUSHIKI KAISHA, YAMADA MANUFACTURING CO., LTD.Inventors: Masayuki Kodani, Keisuke Wakabayashi, Nobuyuki Kabasawa, Yasuaki Motegi
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Publication number: 20140241915Abstract: An electric fluid pump includes: a case including a recess portion into which a fluid flows; a rotor arranged in the recess portion; an axial member supporting the rotor; and a flange member insert-molded with the case and the axial member, secured to an end portion of the axial member, and buried in a bottom wall portion of the recess portion, wherein the flange member includes: a first flange portion; a reduced portion closer to an inner surface of the bottom wall portion than the first flange portion, and smaller than the first flange portion in a radial direction; and a second flange portion closer to the inner surface than the reduced portion, larger than the first flange portion in the radial direction, and partially exposed from the inner surface, and the inner surface is flat.Type: ApplicationFiled: January 8, 2014Publication date: August 28, 2014Applicant: SHINANO KENSHI CO., LTD.Inventors: Nobuchika MARUYAMA, Masayuki KODANI, Takeshi MIYASAKA
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Publication number: 20140145544Abstract: The stator of the electric motor comprises: a stator core; tooth sections being radially extended from the stator core; an even number of slots, each of which is formed between the tooth sections; an insulator covering the tooth sections; and motor coils being wound in the slots. The insulator has guide projections, each of which corresponds to each of the tooth sections so as to guide a magnet wire. The guide projections have guide sections, each of which includes a base end part and a front end part. In each of the guide sections, a radial thickness of at least one part located in the base end part is thin, a radial thickness of the front end part is thicker than that of the base end part. The guide sections are formed in same side faces of the guide projections arranged in the circumferential direction.Type: ApplicationFiled: November 4, 2013Publication date: May 29, 2014Applicants: YAMADA MANUFACTURING CO., LTD., SHINANO KENSHI KABUSHIKI KAISHAInventors: Masayuki Kodani, Nobuchika Maruyama, Keisuke Wakabayashi, Nobuyuki Kabasawa, Yasuaki Motegi, Daisuke Kiryu
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Publication number: 20130069469Abstract: The rotor of the present invention is capable of improving magnetic characteristics, general versatility and ease of assembly. The rotor comprises: a rotor shaft; a ring-shaped rotor magnet being disposed coaxially with the rotor shaft; and a non-magnetic cover covering an outer circumference of the rotor magnet. The rotor magnet and the cover are integral-molded with molding resin in a state where an outer circumference of the cover is exposed and both end parts and an inner circumference of the rotor magnet are covered with the molding resin.Type: ApplicationFiled: July 23, 2012Publication date: March 21, 2013Applicants: YAMADA MANUFACTURING CO., LTD., SHINANO KENSHI KABUSHIKI KAISHAInventors: Masayuki Kodani, Keisuke Wakabayashi, Nobuyuki Kabasawa, Yasuaki Motegi