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公开(公告)号：US10850168B2
公开(公告)日：2020-12-01
申请号：US16031653
申请日：2018-07-10
发明人： Masatoshi Kato
IPC分类号： A63B53/04
摘要： The golf club head according to the present invention is a golf club head including a face portion, a crown portion, a sole portion, and a hosel portion configured to accept insertion of a shaft. A reference sole line of intersection which is a line of intersection between a plane containing a central axis of the shaft and perpendicular to a setting surface and a surface of the sole portion with the golf club head in a reference state is prescribed, and a curvature radius of a circular arc that passes through three points on the reference sole line of intersection respectively corresponding to a face center, a position 25 mm from the face center on a toe side and a position 25 mm from the face center on a heel side is 5.0 to 6.0 inches.
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公开(公告)号：US10471311B2
公开(公告)日：2019-11-12
申请号：US16031413
申请日：2018-07-10
发明人： Masatoshi Kato
IPC分类号： A63B53/04
摘要： The golf club head according to the present invention includes a face portion, a crown portion and a sole portion, the crown portion including a first region extending in a toe-heel direction along at least part of the face portion, a second region arranged further on a back side than the first region, and a step region extending in the toe-heel direction between the first region and the second region and extending downward toward the second region from the first region side, and the second region including a first part arranged in a vicinity of the middle in the toe-heel direction and contacting the step region, and a second part having a thinner wall thickness than the first part and arranged to surround a periphery of the first part on the back side, the toe side and the heel side of the first part.
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公开(公告)号：US10987550B2
公开(公告)日：2021-04-27
申请号：US16578508
申请日：2019-09-23
发明人： Masatoshi Kato
摘要： A golf club head has an inner cavity and comprises a face member and a head main body which a front opening, which are connected to each other. The head main body comprises a sole portion, and a weight member which has a specific gravity greater than that of the head main body is fixed to an inner surface of the sole portion. A weld which fix the weight member to the sole portion is disposed at the peripheral edge of the weight member. The weight member has the width in the toe-heel direction of the head, which is smaller on its rear side than its front side.
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公开(公告)号：US09881137B2
公开(公告)日：2018-01-30
申请号：US14815700
申请日：2015-07-31
发明人： Kousuke Okazaki , Masatoshi Kato , Masahiko Ueda , Naoyoshi Ueda , Shimpei Oyama
CPC分类号： G16H20/30 , A63B69/3632 , A63B2069/3605 , G06F3/011 , G06F19/00 , G06F19/3481 , G06Q10/0639 , G09B19/0038
摘要： Provided is a fitting apparatus that accurately and objectively determines an optimal swingability index, which is a swingability index of a golf club suited to a golfer. The fitting apparatus is provided with an acquisition unit, a calculation unit, and a determination unit. The acquisition unit acquires a measurement value obtained by measuring a swing action of a test club by the golfer with a measurement device. The calculation unit calculates a swing index indicating a feature amount of the swing action, based on the measurement value. The determination unit determines the optimal swingability index, according to a magnitude of the swing index.
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公开(公告)号：US09630066B2
公开(公告)日：2017-04-25
申请号：US14430601
申请日：2013-09-24
发明人： Masatoshi Kato
CPC分类号： A63B53/00 , A61B5/1122 , A61B5/6895 , A61B2503/10 , A63B53/02 , A63B53/10 , A63B53/14 , A63B60/42 , A63B60/46 , A63B69/3632 , A63B2220/40 , A63B2220/803 , A63B2220/833 , A63B2225/50
摘要： A fitting method, of a shaft of a golf club, for selecting a shaft having a torque matching a golfer based on a swing of the golfer. The method includes the steps of obtaining measurement values from a sensor attached to a grip of the golf club and capable of measuring angular velocities about three axes when a golf ball is hit by the golf club; obtaining a predetermined index value for the angular velocities quantified from the measurement values; and selecting a shaft matching the golfer from among multiple shafts whose torques have been measured in advance, based on a relationship established through test-hitting performed in advance between the index value and a torque of a shaft.
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公开(公告)号：US09452331B2
公开(公告)日：2016-09-27
申请号：US13853125
申请日：2013-03-29
发明人： Kousuke Okazaki , Masahiko Ueda , Masatoshi Kato
摘要： A fitting method of a shaft of a golf club for selecting a shaft matching a golfer based on a swing of the golfer. The method includes the steps of obtaining measurement values from a sensor attached to a grip of a golf club; determining address, top, and impact of a swing from the measurement values; and selecting a shaft that matches a golfer through a usage of the swing characteristic amounts and values.
摘要翻译： 一种高尔夫球杆轴的装配方法，用于根据高尔夫球手的摆动选择与高尔夫球手相匹配的轴。 该方法包括从附接到高尔夫球杆的把手的传感器获得测量值的步骤; 从测量值确定摆动的地址，顶部和影响; 以及通过使用挥杆特征量和值来选择与高尔夫球手匹配的轴。
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公开(公告)号：US11786785B2
公开(公告)日：2023-10-17
申请号：US17380162
申请日：2021-07-20
发明人： Masatoshi Kato
CPC分类号： A63B53/0437 , A63B53/0466 , A63B53/08 , A63B2053/0491 , A63B2209/00
摘要： A golf club head has a hollow portion therein. The golf club head includes a head main body comprising a striking face portion, a crown portion and a sole portion, the head main body being provided with a recess extending in a toe-heel direction of the club head on at least one of the crown portion and the sole portion, and a reinforcing rod being fixed to the recess and extending in the toe-heel direction of the club head.
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公开(公告)号：US10252106B2
公开(公告)日：2019-04-09
申请号：US14743625
申请日：2015-06-18
发明人： Kousuke Okazaki , Masahiko Ueda , Masatoshi Kato , Yuki Nagano
摘要： A golf swing analysis apparatus for analyzing a swing action of a golf club is provided. The golf swing analysis apparatus comprises an acquisition unit configured to acquire a measurement value obtained by measuring the swing action using a measurement device; a grip behavior derivation unit configured to derive a behavior of a grip of the golf club that occurs during the swing action, based on the measurement value; and a shoulder behavior derivation unit configured to derive a behavior of a pseudo shoulder of a golfer that occurs during the swing action, based on the behavior of the grip.
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公开(公告)号：US20150224371A1
公开(公告)日：2015-08-13
申请号：US14430601
申请日：2013-09-24
发明人： Masatoshi Kato
CPC分类号： A63B53/00 , A61B5/1122 , A61B5/6895 , A61B2503/10 , A63B53/02 , A63B53/10 , A63B53/14 , A63B60/42 , A63B60/46 , A63B69/3632 , A63B2220/40 , A63B2220/803 , A63B2220/833 , A63B2225/50
摘要： A fitting method, of a shaft of a golf club, for selecting a shaft having a torque matching a golfer based on a swing of the golfer. The method includes the steps of obtaining measurement values from a sensor attached to a grip of the golf club and capable of measuring angular velocities about three axes when a golf ball is hit by the golf club; obtaining a predetermined index value for the angular velocities quantified from the measurement values; and selecting a shaft matching the golfer from among multiple shafts whose torques have been measured in advance, based on a relationship established through test-hitting performed in advance between the index value and a torque of a shaft.
摘要翻译： 一种高尔夫球杆轴的装配方法，用于根据高尔夫球手的摆动选择具有与高尔夫球手相匹配的转矩的轴。 该方法包括以下步骤：从附接到高尔夫球杆的把手的传感器获得测量值，并且当高尔夫球被高尔夫球杆撞击时能够测量围绕三个轴的角速度; 从所述测量值获得用于定量的角速度的预定指标值; 并且基于通过在指标值和轴的扭矩之间预先执行的试验建立的关系，从预先测量了扭矩的多个轴中选择与高尔夫球手相匹配的轴。
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公开(公告)号：US08926444B2
公开(公告)日：2015-01-06
申请号：US13870560
申请日：2013-04-25
发明人： Masatoshi Kato , Masahiko Ueda
CPC分类号： A63B69/3632 , A63B24/0003 , A63B53/14 , A63B60/16 , A63B60/50 , A63B60/54 , A63B2069/3605 , A63B2220/34 , A63B2220/40 , A63B2220/80 , A63B2220/833 , A63B2225/50
摘要： A golf club having a head disposed at a front end of a shaft and having a grip disposed at a back end of the shaft. The golf club includes a sensor section arranged on a grip-end edge of the grip and used for analyzing action of a golf swing.
摘要翻译： 一种高尔夫球杆，其具有设置在轴的前端的头部，并且具有设置在所述轴的后端的把手。 高尔夫球杆包括布置在把手的握持端边缘上并用于分析高尔夫挥杆动作的传感器部分。
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