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 1–25 of 61 patents

Patent #TitleCo-InventorsDate
9421426 Multi-piece solid golf ball Hideo Watanabe 2016-08-23
9227111 Multi-piece solid golf ball Hideo Watanabe 2016-01-05
9039545 Multi-piece solid golf ball Hideo Watanabe 2015-05-26
9022883 Multi-piece solid golf ball Hiroshi Higuchi 2015-05-05
9022882 Multi-piece solid golf ball Hiroshi Higuchi 2015-05-05
8834296 Multi-piece solid golf ball Kae Iizuka, Daisuke Arai, Hiroshi Higuchi 2014-09-16
8827840 Multi-piece solid golf ball Kae Iizuka, Daisuke Arai, Hiroshi Higuchi 2014-09-09
8827839 Multi-piece solid golf ball Hideo Watanabe 2014-09-09
8821317 Golf ball 2014-09-02
8814726 Multi-piece solid golf ball Kae Iizuka, Daisuke Arai, Hiroshi Higuchi 2014-08-26
8808111 Multi-piece solid golf ball Kae Iizuka, Daisuke Arai, Hiroshi Higuchi 2014-08-19
8808110 Multi-piece solid golf ball Kae Iizuka, Daisuke Arai, Hiroshi Higuchi 2014-08-19
8764583 Multi-piece solid golf ball Hideo Watanabe 2014-07-01
8672776 Multi-piece solid golf ball Hiroshi Higuchi, Toru Ogawana, Hiroyuki Nagasawa, Kae Iizuka 2014-03-18
8672775 Multi-piece solid golf ball Hiroshi Higuchi, Toru Ogawana, Hiroyuki Nagasawa 2014-03-18
8585515 Multi-piece solid golf ball Kae Iizuka, Daisuke Arai, Hiroshi Higuchi 2013-11-19
8545346 Multi-piece solid golf ball Hiroshi Higuchi, Hiroyuki Nagasawa, Daisuke Arai 2013-10-01
8512165 Multi-piece solid golf ball Kae Iizuka, Daisuke Arai, Hiroshi Higuchi 2013-08-20
8419571 Method for preparing golf ball and golf ball Takashi Ohira, Shinichi Hinomoto, Hideo Watanabe 2013-04-16
8133136 Multi-piece solid golf ball Hiroshi Higuchi, Daisuke Arai, Hiroyuki Nagasawa 2012-03-13
8123628 Multi-piece solid golf ball Kae Iizuka, Daisuke Arai, Hiroshi Higuchi 2012-02-28
8021249 Two-piece solid golf ball Hiroshi Higuchi, Katsunori Sato, Takuma Nakagawa 2011-09-20
7951017 Golf ball 2011-05-31
7938744 Multi-piece solid golf ball Kae Iizuka, Daisuke Arai, Hiroshi Higuchi 2011-05-10
7909710 Multi-piece solid golf ball Hiroshi Higuchi, Toru Ogawana, Hiroyuki Nagasawa 2011-03-22