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Yoshinori Egashira, Seisuke Tomita: Multi-piece solid golf ball. Bridgestone Sports, Sughrue Mion Zinn Macpeak & Seas, August 8, 1995: US05439227 (210 worldwide citation)

A multi-piece solid golf ball has a solid core of multi-layer configuration including an inner layer circumscribed by an outer layer. The core inner layer is formed from a rubber composition. The core outer layer is formed thereon by injection molding a mixture of 100-50 wt % of a polyether ester ty ...


2
Yasushi Ichikawa, Shunichi Kashiwagi: Golf ball. Bridgestone Sports, Sughrue Mion Zinn Macpeak & Seas PLLC, July 27, 1999: US05929189 (201 worldwide citation)

A golf ball comprises a core and a cover enclosing the core. The cover resin is composed mainly of a thermoplastic polyurethane elastomer having an aliphatic diisocyanate component and exhibiting a tan .delta. peak temperature of not higher than -20.degree. C. in viscoelasticity measurement.


3
Hisashi Yamagishi, Hiroshi Higuchi: Three-piece solid golf ball. Bridgestone Sports, Sughrue Mion Zinn Macpeak & Seas PLLC, July 21, 1998: US05782707 (163 worldwide citation)

The invention provides a three-piece solid golf ball featuring an increased flight distance on driver shots and improved control on approach shots. In a three-piece solid golf ball consisting of a solid core, an intermediate layer, and a cover, provided that hardness is measured by a JIS-C scale har ...


4
Yasunori Imamoto, Hisashi Yamagishi: Golf club head. Bridgestone Sports, Sughrue Mion PLLC, May 12, 2009: US07530901 (158 worldwide citation)

A hollow golf club head includes a fiber-reinforced-plastic body and a metal body. The fiber-reinforced-plastic body includes a main portion of a crown portion. The metal body includes a face portion, a front edge portion of the crown portion continuous with the face portion, and a central portion o ...


5
Takashi Maruko: Solid golf ball. Bridgestone Sports, Sughrue Mion Zinn Macpeak & Seas PLLC, June 6, 2000: US06071201 (150 worldwide citation)

A solid golf ball comprises a solid core and a cover. The solid core has a multilayer construction with an inner core layer and an outer core layer. The inner core layer is composed primarily of a resin, and has a diameter of 15-25 mm and a Shore D hardness of 55-90. The outer core layer is formed o ...


6
Hideo Watanabe: Golf ball. Bridgestone Sports, Sughrue Mion PLLC, January 20, 2004: US06679791 (150 worldwide citation)

A multi-piece golf ball includes a rubbery elastic core, a cover having a plurality of dimples on the surface thereof, and at least one intermediate layer between the core and the cover. The intermediate layer is composed of a resin material which is harder than the cover. The elastic core has a har ...


7
Hiroshi Higuchi, Atsushi Nanba: Multi-piece solid golf ball. Bridgestone Sports, Sughrue Mion PLLC, December 26, 2006: US07153224 (141 worldwide citation)

In a multi-piece solid golf ball comprising a solid core consisting of a center core and an outer core, an inner cover layer and an outer cover layer, the solid core is molded from a rubber composition comprising a base rubber composed of (a) a polybutadiene having a high cis-1,4 content, a minimal ...


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Hideo Matsunaga: Golf club head. Bridgestone Sports, Sughrue Mion PLLC, August 31, 2004: US06783465 (139 worldwide citation)

A hollow golf club head made of metal has a face portion made of a titanium alloy, a crown portion, a sole portion, a toe-side side portion, a back-side side portion, a heel-side side portion, and a hosel portion. Grooves are provided in the crown portion so as to extend in the direction connecting ...


10
Hiroshi Higuchi, Hisashi Yamagishi, Yoshinori Egashira, Tadatoshi Yamada: Three-piece solid golf ball. Bridgestone Sports, Sughrue Mion Zinn Macpeak & Seas, September 10, 1996: US05553852 (125 worldwide citation)

A three-piece solid golf ball comprising a center core, an intermediate layer, and a cover. The center core (1) has a diameter of at least 29 mm, a hardness in the range of 45-80 JIS C and a specific gravity of less than 1.4. The intermediate layer (2) has a thickness of at least 1 mm, a specific gr ...