SE

Seiichiro Endo

SI Sumitomo Rubber Industries: 35 patents #31 of 1,637Top 2%
SL Sri Sports Limited: 27 patents #11 of 176Top 7%
DC Dunlop Sports Co.: 3 patents #75 of 168Top 45%
Overall (All Time): #33,965 of 4,157,543Top 1%
65
Patents All Time

Issued Patents All Time

Showing 1–25 of 65 patents

Patent #TitleCo-InventorsDate
9061183 Golf ball Kazuhiko Isogawa 2015-06-23
9011272 Golf ball Kazuhiko Isogawa, Keiji Ohama, Yoshiko Matsuyama 2015-04-21
8956252 Golf ball Hirotaka Nakamura, Kazuhiko Isogawa, Hyoungchol Kim 2015-02-17
8840493 Golf ball Hirotaka Nakamura, Keiji Ohama 2014-09-23
8419570 Golf ball Masatoshi Yokota 2013-04-16
8118690 Golf ball Kazuya Kamino, Tsutomu Hirau 2012-02-21
7927235 Golf ball Masatoshi Yokota, Masaaki Kikuchi, Koichi Fujisawa, Kazuhiko Isogawa 2011-04-19
7914397 Golf ball Masatoshi Yokota 2011-03-29
7914399 Golf ball Masatoshi Yokota, Masaaki Kikuchi, Koichi Fujisawa, Kazuhiko Isogawa 2011-03-29
7842216 Method for the production of golf ball Masatoshi Yokota, Koichi Fujisawa, Kazuhiko Isogawa 2010-11-30
7727086 Golf ball Masatoshi Yokota, Masaaki Kikuchi, Koichi Fujisawa, Kazuhiko Isogawa 2010-06-01
7718107 Mold for golf ball Takahiro Sajima 2010-05-18
7704431 Mold for golf ball Masatoshi Yokota, Yoshiyuki Nakai, Hiroaki Tanaka 2010-04-27
7691010 Golf ball Keiji Ohama, Takahiro Sajima 2010-04-06
7682266 Golf ball Masatoshi Yokota 2010-03-23
7628715 Golf ball Masatoshi Yokota, Masaaki Kikuchi, Koichi Fujisawa, Kazuhiko Isogawa 2009-12-08
7614966 Golf ball Tsutomu Hirau, Kazuya Kamino 2009-11-10
7582026 Golf ball Kazuya Kamino, Tsutomu Hirau 2009-09-01
7278930 Golf ball Masatoshi Yokota, Koichi Fujisawa 2007-10-09
7270615 Golf ball Masatoshi Yokota, Kazuhiko Isogawa 2007-09-18
7201862 Method of the production of a golf ball Takahiro Sajima 2007-04-10
7192366 Three-piece solid golf ball Keiji Ohama 2007-03-20
7182700 Golf ball Keiji Ohama 2007-02-27
7153223 Golf ball Keiji Ohama, Takahiro Sajima 2006-12-26
7150618 Mold for golf ball Takahiro Sajima 2006-12-19