Patents by Inventor Makoto Tsuruta
Makoto Tsuruta 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: 11110885Abstract: A gas generator includes an igniter, a cup-shaped member, and a fixing member. The cup-shaped member accommodating an enhancer agent bursts or melts at the time of activation. The fixing member fixing a filter does not burst and melt even at the time of activation. Ra and Ha satisfy a condition of Ra/Ha 1.00 where Ra represents an inner diameter of a sidewall portion of the cup-shaped member and Ha represents a distance between a top wall portion of the cup-shaped member and the igniter. The sidewall portion includes a first region surrounded by a partition wall portion of the fixing member and a second region not surrounded by the partition wall portion. The partition wall portion has an end portion arranged closer to a top plate portion than the igniter. A gas generating agent is arranged to face the top wall portion, the second region, and the partition wall portion.Type: GrantFiled: March 13, 2018Date of Patent: September 7, 2021Assignee: NIPPON KAYAKU KABUSHIKI KAISHAInventors: Hiroaki Koyama, Shinya Ueda, Satoshi Ohsugi, Makoto Tsuruta, Motohiro Kanaji, Hirotaka Mukunoki
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Publication number: 20200139925Abstract: A gas generator includes an igniter, a cup-shaped member, and a fixing member. The cup-shaped member accommodating an enhancer agent bursts or melts at the time of activation. The fixing member fixing a filter does not burst and melt even at the time of activation. Ra and Ha satisfy a condition of Ra/Ha 1.00 where Ra represents an inner diameter of a sidewall portion of the cup-shaped member and Ha represents a distance between a top wall portion of the cup-shaped member and the igniter. The sidewall portion includes a first region surrounded by a partition wall portion of the fixing member and a second region not surrounded by the partition wall portion. The partition wall portion has an end portion arranged closer to a top plate portion than the igniter. A gas generating agent is arranged to face the top wall portion, the second region, and the partition wall portion.Type: ApplicationFiled: March 13, 2018Publication date: May 7, 2020Applicant: NIPPON KAYAKU KABUSHIKI KAISHAInventors: Hiroaki KOYAMA, Shinya UEDA, Satoshi OHSUGI, Makoto TSURUTA, Motohiro KANAJI, Hirota ka MUKUNOKI
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Patent number: 10231042Abstract: Provided is a speaker device in which reproduction sound pressure is increased, and heat resistance and water resistance are improved. The speaker device includes: a diaphragm formed of a film containing polyimide; and a frame for supporting the diaphragm. A cross-section passing the center of the diaphragm and parallel to a sound emission direction includes sequentially from an inner periphery to an outer periphery of the diaphragm along the sound emission direction: a first bent plate portion having a concave arc; a second bent plate portion having a convex arc; a third bent plate portion having a concave arc; and a fourth bent plate portion having a convex arc. An area of the first bent plate portion is larger than any of areas of the second, the third, the fourth bent plate portions.Type: GrantFiled: January 9, 2015Date of Patent: March 12, 2019Assignees: PIONEER CORPORATION, TOHOKU PIONEER CORPORATION, ANDEN CO., LTD.Inventors: Kazuaki Watanabe, Junichi Sato, Susumu Miyata, Makoto Tsuruta
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Patent number: 9930442Abstract: A sound production device for a vehicle includes: a speaker that causes a diaphragm to vibrate thereby producing sound; and a housing receiving the speaker and having a sound passage through which the sound produced by the speaker passes and a sound emission hole that causes the sound passed through the sound passage to externally emit. Plural resonant chambers having different resonant frequencies are defined in the sound passage, such that the sound passage has a labyrinth structure that is able to prevent a foreign substance form entering the diaphragm from the sound emission hole.Type: GrantFiled: May 27, 2015Date of Patent: March 27, 2018Assignee: ANDEN CO., LTD.Inventors: Susumu Miyata, Makoto Tsuruta
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Patent number: 9868392Abstract: This approaching vehicle notification sound speaker device is equipped with a voice coil for conducting an electrical signal, a cylindrical voice coil bobbin on which the voice coil is wound, an insulating sheet, and a cap. The sheet is wound on the voice coil bobbin at a position closer to the sound-emitting side than the voice coil, the cap is disposed closer to the sound-emitting side than the voice coil bobbin, the voice coil bobbin and the cap are made of an aluminum-containing material, and the sheet is formed with the inclusion of an aramid-based nonwoven fabric.Type: GrantFiled: March 28, 2014Date of Patent: January 16, 2018Assignees: PIONEER CORPORATION, TOHOKU PIONEER CORPORATION, ANDEN CO., LTD.Inventors: Kazuaki Watanabe, Junichi Sato, Susumu Miyata, Makoto Tsuruta
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Publication number: 20170374439Abstract: Provided is a speaker device in which reproduction sound pressure is increased, and heat resistance and water resistance are improved. The speaker device includes: a diaphragm formed of a film containing polyimide; and a frame for supporting the diaphragm. A cross-section passing the center of the diaphragm and parallel to a sound emission direction includes sequentially from an inner periphery to an outer periphery of the diaphragm along the sound emission direction: a first bent plate portion having a concave arc; a second bent plate portion having a convex arc; a third bent plate portion having a concave arc; and a fourth bent plate portion having a convex arc. An area of the first bent plate portion is larger than any of areas of the second, the third, the fourth bent plate portions.Type: ApplicationFiled: January 9, 2015Publication date: December 28, 2017Applicants: PIONEER CORPORATION, Tohoku Pioneer Corporation, ANDEN CO., LTD.Inventors: Kazuaki WATANABE, Junichi SATO, Susumu MIYATA, Makoto TSURUTA
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Publication number: 20170134847Abstract: A sound production device for a vehicle includes: a speaker that causes a diaphragm to vibrate thereby producing sound; and a housing receiving the speaker and having a sound passage through which the sound produced by the speaker passes and a sound emission hole that causes the sound passed through the sound passage to externally emit. Plural resonant chambers having different resonant frequencies are defined in the sound passage, such that the sound passage has a labyrinth structure that is able to prevent a foreign substance form entering the diaphragm from the sound emission hole.Type: ApplicationFiled: May 27, 2015Publication date: May 11, 2017Inventors: Susumu MIYATA, Makoto TSURUTA
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Publication number: 20170111744Abstract: An approaching vehicle warning speaker device includes a diaphragm that generates sound, an edge section joined to an outer edge of the diaphragm, and a frame supporting an outer periphery of the edge section. The diaphragm is made of a film containing polyimide. The edge section includes a base member made of fiber and rubber-containing waterproof layers provided on both sides of the base member.Type: ApplicationFiled: March 28, 2014Publication date: April 20, 2017Inventors: Kazuaki WATANABE, Junichi SATO, Susumu MIYATA, Makoto TSURUTA
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Publication number: 20170101053Abstract: This approaching vehicle notification sound speaker device is equipped with a voice coil for conducting an electrical signal, a cylindrical voice coil bobbin on which the voice coil is wound, an insulating sheet, and a cap. The sheet is wound on the voice coil bobbin at a position closer to the sound-emitting side than the voice coil, the cap is disposed closer to the sound-emitting side than the voice coil bobbin, the voice coil bobbin and the cap are made of an aluminum-containing material, and the sheet is formed with the inclusion of an aramid-based nonwoven fabric.Type: ApplicationFiled: March 28, 2014Publication date: April 13, 2017Inventors: Kazuaki WATANABE, Junichi SATO, Susumu MIYATA, Makoto TSURUTA
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Patent number: 9440406Abstract: The present invention relates to a method of forming at least one circumferential belt layer of a pneumatic tire comprising: winding the strip for a half length of an outer circumferential length of the crown portion of the carcass along the tire equatorial plane from a widthwise inner side of the belt end region; winding the strip for the remaining half length while shifting the strip for the width of the strip from a widthwise inner to outer side; winding the strip for the outer circumferential length of the crown portion of the carcass along the tire equatorial plane; winding the strip for the half length of the outer circumferential length of the crown portion of the carcass while shifting the strip for the width of the strip from the widthwise outer to inner side; and winding the strip for the remaining half length along the tire equatorial plane.Type: GrantFiled: October 31, 2013Date of Patent: September 13, 2016Assignee: BRIDGESTONE CORPORATIONInventors: Yusuke Yoshikawa, Hiroshi Nakata, Takashi Oono, Makoto Tsuruta
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Patent number: 9398377Abstract: A piezoelectric sound generating element capable of providing flatter and less fluctuated sound pressure frequency characteristics includes a diaphragm that is formed in a circular plate shape with a circular profile. A piezoelectric element is affixed to the side of a bottom wall portion of the diaphragm. The piezoelectric element has an asymmetric octagonal profile including a pair of long side portions opposing each other, a pair of short side portions opposing each other, and four connecting side portions.Type: GrantFiled: August 2, 2012Date of Patent: July 19, 2016Assignees: HOKURIKU ELECTRIC INDUSTRY CO., LTD., ANDEN CO., LTD.Inventors: Tadao Sunahara, Masahide Tamura, Osamu Kawasaki, Masaru Tsuchiya, Ryuta Suzuki, Makoto Tsuruta, Nobuhiro Miwa, Hitoshi Sakamoto
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Patent number: 9328935Abstract: A base portion has a separation wall, and an air hole is defined in the separation wall. A case portion defines a first space with the separation wall of the base portion. A covering portion defines a second space with the separation wall of the base portion. A waterproof and breathable sheet covers the air hole. A water guiding portion is arranged adjacent to a surface of the sheet not to contact the surface of the sheet. The water guiding portion is located between the covering portion and the sheet.Type: GrantFiled: December 14, 2012Date of Patent: May 3, 2016Assignee: ANDEN CO., LTD.Inventors: Susumu Miyata, Makoto Tsuruta
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Patent number: 9085115Abstract: The present invention relates to a method of forming at least one circumferential belt layer of a pneumatic tire comprising: winding the strip for a half length of an outer circumferential length of the crown portion of the carcass along the tire equatorial plane from a widthwise inner side of the belt end region; winding the strip for the remaining half length while shifting the strip for the width of the strip from a widthwise inner to outer side; winding the strip for the outer circumferential length of the crown portion of the carcass along the tire equatorial plane; winding the strip for the half length of the outer circumferential length of the crown portion of the carcass while shifting the strip for the width of the strip from the widthwise outer to inner side; and winding the strip for the remaining half length along the tire equatorial plane.Type: GrantFiled: January 17, 2012Date of Patent: July 21, 2015Assignee: BRIDGESTONE CORPORATIONInventors: Yusuke Yoshikawa, Hiroshi Nakata, Takashi Oono, Makoto Tsuruta
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Publication number: 20150114538Abstract: The present invention includes a run-flat tire comprising a plurality of turbulence generation ridges which extend on a surface of a tire side portion in a tire-radial direction and which are arranged at a pitch in a tire-circumferential direction and relationship Si>So is satisfied. Si is the sum of sidewall areas of all the turbulence generation ridges located at the inner side, in the tire-radial direction, of a maximum width position of the pneumatic tire. So is the sum of sidewall areas of all the turbulence generation ridges located at the outer side, in the tire-radial direction, of the tire maximum width position.Type: ApplicationFiled: December 30, 2014Publication date: April 30, 2015Applicant: BRIDGESTONE CORPORATIONInventors: Makoto TSURUTA, Masashi YAMAGUCHI, Atsushi MIYASAKA
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Patent number: 9016340Abstract: The present invention includes a run-flat tire 1 comprising a plurality of turbulence generation ridges 20 which extend on a surface of a tire side portion 3 in a tire-radial direction and which are arranged at a pitch in a tire-circumferential direction and relationship Si>So is satisfied. Si is the sum of sidewall areas of all the turbulence generation ridges located at the inner side, in the tire-radial direction, of a maximum width position of the pneumatic tire. So is the sum of sidewall areas of all the turbulence generation ridges located at the outer side, in the tire-radial direction, of the tire maximum width position.Type: GrantFiled: July 30, 2008Date of Patent: April 28, 2015Assignee: Bridgestone CorporationInventors: Makoto Tsuruta, Masashi Yamaguchi, Atsushi Miyasaka
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Publication number: 20140241550Abstract: A piezoelectric sound generating element capable of providing flatter and less fluctuated sound pressure frequency characteristics includes a diaphragm that is formed in a circular plate shape with a circular profile. A piezoelectric element is affixed to the side of a bottom wall portion of the diaphragm. The piezoelectric element has an asymmetric octagonal profile including a pair of long side portions opposing each other, a pair of short side portions opposing each other, and four connecting side portions.Type: ApplicationFiled: August 2, 2012Publication date: August 28, 2014Applicants: ANDEN CO., LTD., HOKURIKU ELECTRIC INDUSTRY CO., LTD.Inventors: Tadao Sunahara, Masahide Tamura, Osamu Kawasaki, Masaru Tsuchiya, Ryuta Suzuki, Makoto Tsuruta, Nobuhiro Miwa, Hitoshi Sakamoto
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Patent number: 8761426Abstract: A housing structure for a sound generator includes a base portion having a separation wall; a case portion that defines a first space with the base portion; a covering portion that defines a second space with the base portion; a frame portion that projects toward the second space from the separation wall; a screen wall disposed on an outer side of the frame portion to define a groove between the screen wall and the frame portion; and a screen board arranged on an inner side of the screen wall. The screen board is distanced from the frame portion and the screen wall.Type: GrantFiled: December 14, 2012Date of Patent: June 24, 2014Assignee: Anden Co., Ltd.Inventors: Susumu Miyata, Makoto Tsuruta
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Publication number: 20140053964Abstract: The present invention relates to a method of forming at least one circumferential belt layer of a pneumatic tire comprising: winding the strip for a half length of an outer circumferential length of the crown portion of the carcass along the tire equatorial plane from a widthwise inner side of the belt end region; winding the strip for the remaining half length while shifting the strip for the width of the strip from a widthwise inner to outer side; winding the strip for the outer circumferential length of the crown portion of the carcass along the tire equatorial plane; winding the strip for the half length of the outer circumferential length of the crown portion of the carcass while shifting the strip for the width of the strip from the widthwise outer to inner side; and winding the strip for the remaining half length along the tire equatorial plane.Type: ApplicationFiled: October 31, 2013Publication date: February 27, 2014Applicant: BRIDGESTONE CORPORATIONInventors: Yusuke YOSHIKAWA, Hiroshi NAKATA, Takashi OONO, Makoto TSURUTA
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Patent number: 8615100Abstract: Sound generated by a sound emitting unit passes through a first sound passage defined between a first shielding board and a shielding cylinder and a second sound passage defined between a second shielding board and the shielding cylinder, and is emitted outside from a sound emitting hole defined in at least one of a case and a cover. The second shielding board and the shielding cylinder shield a space between the sound emitting hole and the first sound passage when the first sound passage is seen from the sound emitting hole.Type: GrantFiled: June 12, 2012Date of Patent: December 24, 2013Assignee: Anden Co., Ltd.Inventors: Makoto Tsuruta, Susumu Miyata, Masaru Tsuchiya
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Patent number: D711853Type: GrantFiled: January 2, 2013Date of Patent: August 26, 2014Assignee: Anden Co., Ltd.Inventors: Susumu Miyata, Makoto Tsuruta