1
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 ...


2
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 ...


3
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 ...


4
Atsushi Nakamura, Hisashi Yamagishi, Takashi Maruko, Yutaka Masutani: Solid golf ball. Bridgestone Sports, Sughrue Mion PLLC, August 13, 2002: US06431998 (122 worldwide citation)

In a solid golf ball comprising a solid core and a cover, the solid core has a multilayer construction which includes a center core and an outer core that encloses the center core. The center core is composed primarily of a resin and has a diameter of 3-20 mm and a specific gravity of 0.90-1.50. The ...


5
Atsushi Nakamura, Hisashi Yamagishi, Takashi Maruko, Yutaka Masutani: Solid golf ball. Bridgestone Sports, Sughrue Mion PLLC, August 12, 2003: US06605009 (118 worldwide citation)

In a solid golf ball comprising a solid core and a cover, the solid core has a multilayer construction which includes a center core and an outer core of at least one layer that encloses the center core. The center core is formed primarily of a resin and has a diameter from 3 mm to less than 15 mm. T ...


6
Hisashi Yamagishi, Jun Shindo: Two-piece solid golf ball. Bridgestone Sports, Sughrue Mion Zinn Macpeak & Seas PLLC, September 8, 1998: US05803834 (103 worldwide citation)

In a two-piece solid golf ball comprising a solid core and a cover having a number of dimples, the solid core has such a distribution of hardness on a JIS-C hardness scale that a surface hardness is 70-85 degrees and a center hardness is lower than the surface hardness by 8-20 degrees, and the hardn ...


7
Hiroshi Higuchi, Hisashi Yamagishi, Yoshinori Egashira, Tadatoshi Yamada: Three-piece solid golf ball. Bridgestone Sports, Sughrue Mion Zinn Macpeak & Seas, September 17, 1996: US05556098 (97 worldwide citation)

A three-piece solid golf ball comprising; a center core, an intermediate layer, and a cover enclosing the core through the intermediate layer,


8
Hisashi Yamagishi, Yasushi Ichikawa, Atsushi Nakamura: Multi-piece solid golf ball. Bridgestone Sports, Sughrue Mion Zinn Macpeak & Seas PLLC, July 14, 1998: US05779563 (88 worldwide citation)

A multi-piece solid golf ball comprises a solid core and a cover of at least two layers enclosing the core and having a number of dimples in cover outer layer surface. The solid core is formed of a rubber base and has a specific gravity of at least 1.00. The cover is formed of a thermoplastic resin ...


9
Yasunori Imamoto, Hisashi Yamagishi: Golf club head. Bridgestone Sports, Sughrue Mion PLLC, March 18, 2008: US07344452 (84 worldwide citation)

A golf club head includes a front body formed of a titanium-based metal material, an FRP body, a metallic sole plate, and a weight member. The front body has a face portion, a metal sole portion, a metal side portion (toe), a metal crown portion, a metal side portion (heel), and a hosel portion. A s ...


10
Atsushi Nakamura, Hisashi Yamagishi, Takashi Maruko, Yutaka Masutani: Solid golf ball. Bridgestone Sports, Sughrue Mion PLLC, May 28, 2002: US06394912 (83 worldwide citation)

A solid golf ball comprises a solid core and a cover of at least one layer, the solid core having a multilayer construction which includes a center core and an outer core layer enclosing the center core. The center core is composed primarily of a thermoplastic resin or elastomer, and has a diameter ...