HY

Hisashi Yamagishi

BC Bridgestone Sports Co.: 134 patents #3 of 224Top 2%
Bridgestone: 4 patents #601 of 2,860Top 25%
SS Sidel Participations S.A.S: 1 patents #171 of 310Top 60%
Overall (All Time): #7,200 of 4,157,543Top 1%
140
Patents All Time

Issued Patents All Time

Showing 101–125 of 140 patents

Patent #TitleCo-InventorsDate
5876294 Three-piece solid golf ball Hiroshi Higuchi, Junji Hayashi, Nobuhiko Matsumura, Kunitoshi Ishihara 1999-03-02
5872185 Golf ball Yasushi Ichikawa, Hiroshi Higuchi, Shunichi Kashiwagi 1999-02-16
5863264 Two-piece solid golf ball Atsushi Nakamura 1999-01-26
5830085 Three-piece solid golf ball Hiroshi Higuchi, Yasushi Ichikawa 1998-11-03
5830086 Multi-piece solid golf ball Junji Hayashi, Hiroshi Higuchi 1998-11-03
5820492 Golf ball Jun Shindo, Atsushi Nakamura 1998-10-13
5820487 Three-piece solid golf ball Atsushi Nakamura 1998-10-13
5816942 Wound golf ball Junji Hayashi 1998-10-06
5816941 Wound golf ball Junji Hayashi 1998-10-06
5816940 Wound golf ball Junji Hayashi 1998-10-06
5813924 Golf ball Yoshinori Egashira, Hideo Watanabe, Atuki Kasasima 1998-09-29
5807192 Solid golf ball Junji Hayashi, Atsushi Nakamura, Yasushi Ichikawa 1998-09-15
5803834 Two-piece solid golf ball Jun Shindo 1998-09-08
5803832 Solid golf ball Atsushi Nakamura 1998-09-08
5803833 Two-piece solid golf ball Atsushi Nakamura 1998-09-08
5797808 Wound golf ball Junji Hayashi 1998-08-25
5782702 Practice golf ball Jun Shindo, Hiroto Sasaki 1998-07-21
5782703 Practice golf ball Jun Shindo, Hiroto Sasaki 1998-07-21
5782707 Three-piece solid golf ball Hiroshi Higuchi 1998-07-21
5779563 Multi-piece solid golf ball Yasushi Ichikawa, Atsushi Nakamura 1998-07-14
5779564 Solid golf ball Atsushi Nakamura 1998-07-14
5756583 Golf ball cover composition Yoshinori Egashira, Hideo Watanabe, Yasushi Ichikawa 1998-05-26
5752889 Two-piece solid golf ball Yasushi Ichikawa, Atsushi Nakamura 1998-05-19
5743817 Golf ball Yoshinori Egashira, Hideo Watanabe 1998-04-28
5733205 Multi-piece solid golf ball Hiroshi Higuchi, Junji Hayashi 1998-03-31