JU

Junji Umezawa

BC Bridgestone Sports Co.: 59 patents #14 of 224Top 7%
Bridgestone: 2 patents #1,066 of 2,860Top 40%
📍 Chichibu, JP: #6 of 144 inventorsTop 5%
Overall (All Time): #38,186 of 4,157,543Top 1%
61
Patents All Time

Issued Patents All Time

Showing 26–50 of 61 patents

Patent #TitleCo-InventorsDate
7867419 Method for preparing golf ball and golf ball Takashi Ohira, Shinichi Hinomoto, Hideo Watanabe 2011-01-11
7862454 Golf ball 2011-01-04
7850547 Multi-piece solid golf ball Kae Iizuka, Daisuke Arai, Hiroshi Higuchi 2010-12-14
7568986 Golf ball Hideo Watanabe 2009-08-04
7513837 Three-piece solid golf ball Kazufumi Tabata 2009-04-07
7344454 Three-piece solid golf ball Kazufumi Tabata 2008-03-18
7300362 Golf ball Hiroyuki Nagasawa 2007-11-27
7278929 Three-piece solid golf ball Kazufumi Tabata, Hiroyuki Nagasawa, Yoshihiro Yamana, Hidekazu Saito, Hiroki Kimura 2007-10-09
7140979 Three-piece solid golf ball Kazufumi Tabata 2006-11-28
7140980 Three-piece solid golf ball Kazufumi Tabata 2006-11-28
6846250 Solid golf ball Hiroshi Higuchi, Hirotaka Shimosaka, Yasushi Ichikawa, Rinya Takesue 2005-01-25
6814676 Multi-piece solid golf ball Hideo Watanabe, Yasushi Ichikawa, Rinya Takesue 2004-11-09
6746347 Solid golf ball Hiroshi Higuchi, Hirotaka Shimosaka, Yasushi Ichikawa, Rinya Takesue 2004-06-08
6739986 Multi-piece solid golf ball Hiroshi Higuchi, Hirotaka Shimosaka, Yasushi Ichikawa 2004-05-25
6736737 Multi-piece solid golf ball Hiroshi Higuchi, Hirotaka Shimosaka, Atsuki Kasashima, Yasushi Ichikawa, Rinya Takesue 2004-05-18
6659889 Golf ball Atsuki Kasashima, Hideo Watanabe, Hirotaka Shimosaka 2003-12-09
6656059 Multi-piece solid golf ball Hideo Watanabe 2003-12-02
6652392 Multi-piece solid golf ball Hiroshi Higuchi, Hirotaka Shimosaka, Atsuki Kasashima 2003-11-25
6592470 Solid multi-piece golf ball Hideo Watanabe, Hirotaka Shimosaka 2003-07-15
6547679 Golf ball Hirotaka Shimosaka, Atsuki Kasashima, Hideo Watanabe 2003-04-15
6527651 Wound golf ball Jun Shindo, Shinichi Kakiuchi 2003-03-04
6238305 Wound golf ball Shinichi Kakiuchi 2001-05-29
6142885 Thread-wound golf ball Shinichi Kakiuchi 2000-11-07
6095932 Wound golf ball Shinichi Kakiuchi 2000-08-01
6083120 Wound golf ball Shinichi Kakiuchi 2000-07-04