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 76–92 of 92 patents

Patent #TitleCo-InventorsDate
6659888 Three-piece solid golf ball Seiichiro Endo 2003-12-09
6645090 Multi-piece solid golf ball Seiichiro Endo 2003-11-11
6576707 Multi-piece solid golf ball Seiichiro Endo 2003-06-10
6572493 Multi-piece solid golf ball 2003-06-03
6561923 Colored golf ball Hidenori Hiraoka 2003-05-13
6558276 Method of making a solid golf ball Masatoshi Yokota 2003-05-06
6558275 Three-piece solid golf ball 2003-05-06
6521711 Multi-piece solid golf ball Keiji Moriyama, Kazunari Yoshida, Satoshi Iwami 2003-02-18
6520872 Three-piece solid golf ball Seiichiro Endo 2003-02-18
6494793 Two-piece solid golf ball 2002-12-17
6494794 Two-piece solid golf ball 2002-12-17
6435984 Golf ball 2002-08-20
6319155 Multi-piece solid golf ball Keiji Moriyama, Kazunari Yoshida, Takeshi Asakura, Takahiro Sajima 2001-11-20
6315682 Multi-piece solid golf ball Satoshi Iwami, Keiji Moriyama, Kazunari Yoshida 2001-11-13
6287218 Solid golf ball 2001-09-11
6241625 Solid golf ball Masatoshi Yokota, Satoshi Iwami 2001-06-05
6139447 Rubber composition for golf ball and golf ball produced using the same 2000-10-31