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 51–75 of 92 patents

Patent #TitleCo-InventorsDate
7252602 Golf ball Takahiro Sajima, Takashi Sasaki 2007-08-07
7201674 Golf ball Takashi Sasaki, Takahiro Sajima 2007-04-10
7192366 Three-piece solid golf ball Seiichiro Endo 2007-03-20
7182700 Golf ball Seiichiro Endo 2007-02-27
7163473 Golf ball Takahiro Sajima 2007-01-16
7160206 Golf ball and method of manufacturing the same 2007-01-09
7153223 Golf ball Seiichiro Endo, Takahiro Sajima 2006-12-26
7125346 Solid golf ball Koichi Fujisawa, Kazuhiko Isogawa 2006-10-24
7121959 Multi-piece solid golf ball Kazunari Yoshida, Keiji Moriyama, Satoshi Iwami 2006-10-17
7101292 Multi-piece solid golf ball Seiichiro Endo 2006-09-05
7086966 Golf ball Seiichiro Endo 2006-08-08
7083532 Golf ball and method of manufacturing the same 2006-08-01
7041013 Golf ball Takahiro Sajima 2006-05-09
6986718 Multi-piece solid golf ball Seiichiro Endo 2006-01-17
6951520 Golf ball Takahiro Sajima, Seiichiro Endo 2005-10-04
6905647 Process for producing golf ball Seiichiro Endo 2005-06-14
6855071 Multi-piece golf ball and method for manufacturing the same Seiichiro Endo 2005-02-15
6852045 Golf ball Takahiro Sajima 2005-02-08
6843735 Golf ball Takahiro Sajima 2005-01-18
6815507 Golf ball with improved shot feel without deterioration in durability and flight performance 2004-11-09
6805644 Three-piece solid golf ball Keiji Moriyama, Kazunari Yoshida, Satoshi Iwami 2004-10-19
6790148 Multi-piece solid golf ball and method of making the same Kazunari Yoshida, Keiji Moriyama, Hidenori Hiraoka, Takumi Nishino 2004-09-14
6726579 Multi-piece solid golf ball Takahiro Sajima, Seiichiro Endo 2004-04-27
6712718 Three-piece solid golf ball Seiichiro Endo 2004-03-30
6676540 Multi-piece solid golf ball 2004-01-13