Patents by Inventor Yoshihiro Ozawa
Yoshihiro Ozawa 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: 20240142292Abstract: An information processing device includes an acquisition device that acquires, as a first strength, a strength of a radio signal related to position information received at a position of a first height, and a first determination device that determines that the first height is a water level when an attenuation amount of the first strength with respect to a reference strength exceeds a predetermined value.Type: ApplicationFiled: October 30, 2023Publication date: May 2, 2024Applicant: SEIKO EPSON CORPORATIONInventors: Hideo SASAHARA, Yoshihiro YAMAMURA, Hidetoshi YAMAMOTO, Yuya OZAWA
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Publication number: 20200407921Abstract: There is provided an efficient pitch trouble prevention method in a papermaking step of paper production. The pitch trouble prevention method in a papermaking step of paper production includes: an aeration step of exposing at least one of white water and adjusted water to gas; and a pitch control agent addition step of adding a pitch control agent to at least one of the white water and the adjusted water.Type: ApplicationFiled: November 28, 2018Publication date: December 31, 2020Applicant: KURITA WATER INDUSTRIES LTD.Inventors: Hiroki KATSURA, Satoshi WADA, Yoshihiro OZAWA
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Publication number: 20190003814Abstract: A displacement measuring device includes: a probe having a telescopic structure capable of extending and contracting as a whole; and a measuring unit configured to measure a displacement of a front end relative to a base end of the probe, the probe includes a single cylindrical body or a plurality of cylindrical bodies having different diameters and a columnar or cylindrical front end member that is movably inserted into the single cylindrical body or the cylindrical body having the smallest diameter and of which a front end is mounted to a displacement measuring object, and the single or the plurality of cylindrical bodies and the front end member have a rotation applying mechanism that applies a rotation movement in conjunction with a forward/backward movement when the inner cylindrical body or the front end member moves forward/backward relative to the outer cylindrical body in an extension and contraction direction.Type: ApplicationFiled: April 12, 2017Publication date: January 3, 2019Applicant: Teruko ISHIKAWAInventor: Yoshihiro OZAWA
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Patent number: 10006490Abstract: A half thrust bearing having a semicircular shape includes a thrust bearing body having a slide surface that receives an axial force from a crankshaft, and thrust reliefs formed adjacent to respective end portions of the thrust bearing body. Wall thicknesses of the thrust reliefs decrease to the respective end portions. Each thrust relief length continuously increases in a direction from an inner circumference to an outer circumference of the half thrust bearing. Each thrust relief length is a length, in a direction perpendicular to a plane that includes an end portion of the half thrust bearing, from the plane to a point at which a surface of each thrust relief intersects an inner circumference of the thrust bearing body. The half thrust bearing includes a bearing alloy layer and a resin slide layer, or additionally a back metal layer. The slide surface includes the resin slide layer.Type: GrantFiled: June 30, 2016Date of Patent: June 26, 2018Assignee: Daido Metal Company Ltd.Inventors: Shiho Tanaka, Yoshihiro Ozawa
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Patent number: 9982709Abstract: The present invention provides a half thrust bearing in a semicircular ring shape for receiving an axial force of the crankshaft of the internal combustion engine, including thrust reliefs formed adjacent to both circumferential end portions of a slide surface which receives the axial force, so that a wall thickness of the half thrust bearing becomes thinner toward the circumferential end portions, wherein at least the thrust relief on a rear side in a rotational direction of the crankshaft has a thrust relief length which becomes larger toward an outer end portion from an inner end portion in a radial direction of the half thrust bearing. The present invention also provides a bearing device including the above half thrust bearing, a crankshaft, a pair of half bearings supporting a journal portion of the crankshaft, and a bearing housing having a holding hole for holding the pair of half bearings.Type: GrantFiled: July 23, 2015Date of Patent: May 29, 2018Assignee: Daido Metal Company Ltd.Inventors: Shiho Tanaka, Yoshihiro Ozawa
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Patent number: 9909615Abstract: The invention provides a thrust bearing, including a pair of half thrust bearings. Each half thrust bearing includes a bearing alloy layer and a resin slide layer, or a back metal layer, a bearing alloy layer and a resin slide layer. The resin slide layer constitutes a slide surface receiving an axial force of a crankshaft. Each half thrust bearing include thrust reliefs formed adjacent to both circumferential end portions of the sliding surface so that a wall thickness is thinner toward the circumferential end surface. A thrust relief length at an inner end portion of the thrust relief positioned on a rear side of one of the half thrust bearings in a rotational direction is larger than a thrust relief length at an inner end portion of the thrust relief positioned on a front side of the other of the half thrust bearing in the rotational direction.Type: GrantFiled: August 25, 2016Date of Patent: March 6, 2018Assignee: Daido Metal Company Ltd.Inventors: Shiho Tanaka, Yoshihiro Ozawa
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Patent number: 9909614Abstract: The invention provides a bearing device, including a crankshaft, a pair of half bearings each having crush reliefs adjacent to both circumferential ends thereof, a bearing housing having a retaining hole, and one half thrust bearing arranged adjacent to the retaining hole. Each half thrust bearing is configured at least by a bearing alloy layer and a resin slide layer which constitutes a slide surface receiving an axial force of the crankshaft, and thrust reliefs adjacent to both circumferential end portions of the sliding surface so that its wall thickness is made thinner toward the circumferential end surface. A thrust relief length at an inner end portion of the thrust relief positioned on a rear side in the crankshaft rotational direction is formed to be larger than a thrust relief length at an inner end portion of the thrust relief positioned on a front side.Type: GrantFiled: August 25, 2016Date of Patent: March 6, 2018Assignee: Daido Metal Company Ltd.Inventors: Shiho Tanaka, Yoshihiro Ozawa
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Patent number: 9856908Abstract: A thrust bearing for receiving an axial force of a crankshaft of an internal combustion engine. The thrust bearing includes a pair of half thrust bearings having a semi-annular shape that form an annular shape by abutting their circumferential end surfaces. Each half thrust bearing include thrust reliefs formed adjacent to both circumferential end portions of a sliding surface receiving the axial force so that a wall thickness is thinner toward the circumferential end surface. A thrust relief length L2 at an inner end portion of the thrust relief positioned on a rear side of one of the half thrust beings in a rotational direction is larger than a thrust relief length L1 at an inner end portion of the thrust relief positioned on a front side of the other of the half thrust bearing in the rotational direction.Type: GrantFiled: December 14, 2015Date of Patent: January 2, 2018Assignee: DAIDO METAL COMPANY LTD.Inventors: Shiho Tanaka, Yoshihiro Ozawa
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Patent number: 9797435Abstract: A bearing device, including a crankshaft, a pair of half bearings each having crush reliefs formed adjacent to both circumferential ends thereof, a bearing housing in which a retaining hole is formed for retaining the pair of half bearings, and one half thrust bearing having a semi-annular shape arranged adjacent to the retaining hole. The half thrust bearing includes thrust reliefs formed adjacent to both circumferential end portions of a sliding surface receiving an axial force of the crankshaft so that its wall thickness is made thinner toward the circumferential end surface, and a thrust relief length at an inner end portion of the thrust relief positioned on a rear side in the crankshaft rotational direction is formed to be larger than a thrust relief length at an inner end portion of the thrust relief positioned on a front side in the crankshaft rotational direction.Type: GrantFiled: December 10, 2015Date of Patent: October 24, 2017Assignee: DAIDO METAL COMPANY LTD.Inventors: Shiho Tanaka, Yoshihiro Ozawa
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Publication number: 20170058942Abstract: The invention provides a bearing device, including a crankshaft, a pair of half bearings each having crush reliefs adjacent to both circumferential ends thereof, a bearing housing having a retaining hole, and one half thrust bearing arranged adjacent to the retaining hole. Each half thrust bearing is configured at least by a bearing alloy layer and a resin slide layer which constitutes a slide surface receiving an axial force of the crankshaft, and thrust reliefs adjacent to both circumferential end portions of the sliding surface so that its wall thickness is made thinner toward the circumferential end surface. A thrust relief length at an inner end portion of the thrust relief positioned on a rear side in the crankshaft rotational direction is formed to be larger than a thrust relief length at an inner end portion of the thrust relief positioned on a front side.Type: ApplicationFiled: August 25, 2016Publication date: March 2, 2017Inventors: SHIHO TANAKA, YOSHIHIRO OZAWA
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Publication number: 20170058943Abstract: The invention provides a thrust bearing, including a pair of half thrust bearings. Each half thrust bearing includes a bearing alloy layer and a resin slide layer, or a back metal layer, a bearing alloy layer and a resin slide layer. The resin slide layer constitutes a slide surface receiving an axial force of a crankshaft. Each half thrust bearing include thrust reliefs formed adjacent to both circumferential end portions of the sliding surface so that a wall thickness is thinner toward the circumferential end surface. A thrust relief length at an inner end portion of the thrust relief positioned on a rear side of one of the half thrust bearings in a rotational direction is larger than a thrust relief length at an inner end portion of the thrust relief positioned on a front side of the other of the half thrust bearing in the rotational direction.Type: ApplicationFiled: August 25, 2016Publication date: March 2, 2017Inventors: SHIHO TANAKA, YOSHIHIRO OZAWA
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Publication number: 20170009809Abstract: The present invention provides a half thrust bearing in a semicircular ring shape for receiving an axial force of the crankshaft of the internal combustion engine, that include a back metal layer, a bearing alloy layer and a resin slide layer, or a bearing alloy layer and a resin slide layer. The resin slide layer constitutes a slide surface receiving the axial force, and the half thrust bearing includes thrust reliefs formed on a side receiving the axial force and adjacent to both circumferential end portions thereof so that a wall thickness of the half thrust bearing becomes thinner toward the circumferential end portions. At least the thrust relief on a rear side in a rotational direction of the crankshaft has a thrust relief length which becomes larger toward an outer end portion from an inner end portion in a radial direction of the half thrust bearing.Type: ApplicationFiled: June 30, 2016Publication date: January 12, 2017Inventors: SHIHO TANAKA, YOSHIHIRO OZAWA
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Publication number: 20160169271Abstract: The invention provides a bearing device, including a crankshaft, a pair of half bearings each having crush reliefs formed adjacent to both circumferential ends thereof, a bearing housing in which a retaining hole is formed for retaining the pair of half bearings, and one half thrust bearing having a semi-annular shape arranged adjacent to the retaining hole. The half thrust bearing includes thrust reliefs formed adjacent to both circumferential end portions of a sliding surface receiving an axial force of the crankshaft so that its wall thickness is made thinner toward the circumferential end surface, and a thrust relief length at an inner end portion of the thrust relief positioned on a rear side in the crankshaft rotational direction is formed to be larger than a thrust relief length at an inner end portion of the thrust relief positioned on a front side in the crankshaft rotational direction.Type: ApplicationFiled: December 10, 2015Publication date: June 16, 2016Inventors: SHIHO TANAKA, YOSHIHIRO OZAWA
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Publication number: 20160169277Abstract: The invention provides a thrust bearing for receiving an axial force of a crankshaft of an internal combustion engine. The thrust bearing includes a pair of half thrust bearings having a semi-annular shape that form an annular shape by abutting their circumferential end surfaces. Each half thrust bearing include thrust reliefs formed adjacent to both circumferential end portions of a sliding surface receiving the axial force so that a wall thickness is thinner toward the circumferential end surface. A thrust relief length L2 at an inner end portion of the thrust relief positioned on a rear side of one of the half thrust bearings in a rotational direction is larger than a thrust relief length L1 at an inner end portion of the thrust relief positioned on a front side of the other of the half thrust bearing in the rotational direction.Type: ApplicationFiled: December 14, 2015Publication date: June 16, 2016Inventors: SHIHO TANAKA, YOSHIHIRO OZAWA
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Publication number: 20160032961Abstract: The present invention provides a half thrust bearing in a semicircular ring shape for receiving an axial force of the crankshaft of the internal combustion engine, including thrust reliefs formed adjacent to both circumferential end portions of a slide surface which receives the axial force, so that a wall thickness of the half thrust bearing becomes thinner toward the circumferential end portions, wherein at least the thrust relief on a rear side in a rotational direction of the crankshaft has a thrust relief length which becomes larger toward an outer end portion from an inner end portion in a radial direction of the half thrust bearing. The present invention also provides a bearing device including the above half thrust bearing, a crankshaft, a pair of half bearings supporting a journal portion of the crankshaft, and a bearing housing having a holding hole for holding the pair of half bearings.Type: ApplicationFiled: July 23, 2015Publication date: February 4, 2016Inventors: Shiho TANAKA, Yoshihiro OZAWA
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Patent number: 9251720Abstract: A trunk skeleton of a human body dummy includes a spine portion, the spine portion including a plurality of vertebra portions made of metal-based materials or synthetic resin-based materials, a plurality of intervertebral buffer portions disposed between the vertebra portions, the intervertebral buffer portions being made of synthetic resin-based materials, and a bone-coupling portion coupling the vertebra portions in a displaceable manner, the bone-coupling portion including a metal-based rod-shaped member; and a thorax portion, the thorax portion including a plurality of costa portions having first ends coupled to the respective vertebra portions of the spine portion, thus forming respective pairs for the vertebra portions, the costa portions being made of synthetic resin-based materials, and a sternum body coupled to second ends of the costa portions, the sternum body being made of a synthetic resin-based material.Type: GrantFiled: September 5, 2011Date of Patent: February 2, 2016Assignee: JASTI CO., LTD.Inventor: Yoshihiro Ozawa
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Patent number: 9188159Abstract: A half thrust bearing having a semicircular ring shape for receiving an axial force of a crankshaft of an internal combustion engine is provided. The half thrust bearing includes thrust reliefs formed adjacently to end surfaces on both sides in a circumferential direction on a slide surface side which receives the axial force so that wall thicknesses become thinner toward the end surfaces. The thrust relief on a rear side in a rotational direction of the crankshaft or both thrust reliefs are formed so that a length of the thrust relief in an inner end portion in a radial direction of the half thrust bearing is longer than a length of the thrust relief in an outer end portion in the radial direction of the half thrust bearing.Type: GrantFiled: February 18, 2014Date of Patent: November 17, 2015Assignee: Daido Metal Company Ltd.Inventors: Shiho Tanaka, Yoshihiro Ozawa, Shinya Maitani, Takeharu Yamamoto
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Publication number: 20140233874Abstract: A half thrust bearing having a semicircular ring shape for receiving an axial force of a crankshaft of an internal combustion engine is provided. The half thrust bearing includes thrust reliefs formed adjacently to end surfaces on both sides in a circumferential direction on a slide surface side which receives the axial force so that wall thicknesses become thinner toward the end surfaces. The thrust relief on a rear side in a rotational direction of the crankshaft or both thrust reliefs are formed so that a length of the thrust relief in an inner end portion in a radial direction of the half thrust bearing is longer than a length of the thrust relief in an outer end portion in the radial direction of the half thrust bearing.Type: ApplicationFiled: February 18, 2014Publication date: August 21, 2014Applicant: DAIDO METAL COMPANY LTD.Inventors: Shiho TANAKA, Yoshihiro OZAWA, Shinya MAITANI, Takeharu YAMAMOTO
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Patent number: 8672551Abstract: A sliding bearing supporting a crankshaft journal portion of an internal combustion engine includes a semi-cylindrical bearing half provided with a circumferential oil groove on its inner surface. The circumferential oil groove has an open groove end at least at one of its two circumferential ends, one end being in the rotational direction of the crankshaft. The other cylindrical bearing half has at least one circumferential local groove on its inner circumferential surface with an open groove end at a second circumferential end directed in the opposite direction to the relative rotational direction of the crankshaft. The circumferential oil groove and the local circumferential groove are in fluid communication at a region where groove bottom of the local circumferential groove deviates toward the sliding bearing from another groove bottom of the circumferential groove. An axial groove is formed along a contact interface between the first and second circumferential ends.Type: GrantFiled: March 31, 2011Date of Patent: March 18, 2014Assignee: Daido Metal Company, Ltd.Inventors: Tomohiro Ukai, Osamu Ishigo, Yoshihiro Ozawa
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Publication number: 20130230480Abstract: There is provided a a sustained release preparation including a dispersion for a sustained release preparation and a volatile active substance, the dispersion having viscosity at 25° C. of not more than 100 mPa·s and including polymer particles which are obtained by polymerizing ethylenically unsaturated group-containing monomers (A), polyvinyl alcohol (C1) in an amount of more than 0% by weight but not more than 30% by weight relative to a total amount of the ethylenically unsaturated group-containing monomers (A), having a degree of saponification of more than 82 mol % but not more than 91.5 mol %, polyvinyl alcohol (C3) in an amount of more than 0% by weight but not more than 30% by weight relative to the total amount of the ethylenically unsaturated group-containing monomers (A), having a degree of saponification of not less than 98 mol %, and water.Type: ApplicationFiled: April 19, 2013Publication date: September 5, 2013Applicant: Nissin Chemical Industry Co., Ltd.Inventors: Ryuichi Saguchi, Takehiko Fukumoto, Masahiko Ikka, Kouji Kinoshita, Hiroyuki Saitou, Yoshihiro Ozawa