KO

Keiji Ohama

SL Sri Sports Limited: 54 patents #1 of 176Top 1%
SI Sumitomo Rubber Industries: 28 patents #45 of 1,637Top 3%
DC Dunlop Sports Co.: 10 patents #38 of 168Top 25%
Overall (All Time): #17,269 of 4,157,543Top 1%
92
Patents All Time

Issued Patents All Time

Showing 26–50 of 92 patents

Patent #TitleCo-InventorsDate
8409034 Golf ball Kazuya Kamino, Toshiyuki Tarao, Takahiro Sajima 2013-04-02
8388466 Golf ball Hirotaka Nakamura, Takahiro Sajima 2013-03-05
8389607 Golf ball Hirotaka Nakamura 2013-03-05
8372915 Golf ball Satoko Okabe, Kazuya Kamino 2013-02-12
8366568 Golf ball Hirotaka Nakamura, Kazuhiko Isoagawa, Satoko Okabe 2013-02-05
8299146 Golf ball Hirotaka Nakamura 2012-10-30
8292759 Golf ball Hirotaka Nakamura, Kazuya Kamino 2012-10-23
8282507 Golf ball — 2012-10-09
8262508 Golf ball Hirotaka Nakamura 2012-09-11
8206245 Golf ball Kazuya Kamino, Hirotaka Nakamura 2012-06-26
8182368 Golf ball Kazuya Kamino, Hirotaka Nakamura 2012-05-22
8148474 Golf ball Hirotaka Nakamura, Toshiyuki Tarao 2012-04-03
8133956 Golf ball Kazuya Kamino, Toshiyuki Tarao 2012-03-13
7999019 Golf ball Hirotaka Nakamura 2011-08-16
7691010 Golf ball Takahiro Sajima, Seiichiro Endo 2010-04-06
7635313 Golf ball Kazuhiko Isogawa, Takahiro Sajima 2009-12-22
7410430 Golf ball Kazuhiko Isogawa 2008-08-12
7396301 Golf ball Kazuhiko Isogawa 2008-07-08
7390273 Golf ball Kazuhiko Isogawa, Kazuya Kamino 2008-06-24
7390542 Golf ball Takashi Sasaki 2008-06-24
7384352 Golf ball Kazuhiko Isogawa, Takahiro Sajima 2008-06-10
7326131 Golf ball Takahiro Sajima 2008-02-05
7264559 Golf ball Takashi Sasaki 2007-09-04
7261649 Golf ball Takahiro Sajima 2007-08-28
7261650 Golf ball Takahiro Sajima 2007-08-28