HE

Hiroshi Ezaki

BC Bridgestone Sports Co.: 10 patents #56 of 224Top 25%
Bridgestone: 1 patents #1,586 of 2,860Top 60%
Overall (All Time): #469,641 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
7438649 Golf club head Yasunori Imamoto 2008-10-21
5842934 Golf clubhead Tetsuya Miyajima 1998-12-01
D400943 Golf club head 1998-11-10
5823887 Iron golf club set Daisuke Mikame, Masaomi Hiruta, Hirato Shimasaki 1998-10-20
D399277 Golf club head 1998-10-06
D398687 Golf club head Tetsuya Miyajima 1998-09-22
5711722 Golf club head Tetsuya Miyajima, Hirato Shimasaki 1998-01-27
5681228 Golf club head Daisuke Mikame, Yasunori Imamoto, Hirato Shimasaki 1997-10-28
5603667 Golf club head Hidekimi Inoue, Ryohei Uji, Hirato Shimasaki, Masaomi Hiruta, Hideyuki Ishii 1997-02-18
5386996 Golf club head Masaomi Hiruta, Ikuo Aoki, Ryohei Uji, Hirato Shimasaki, Hideyuki Ishii +1 more 1995-02-07
4874171 Golf club set Yoneji Kobayashi, Katsumi Iida 1989-10-17