KI

Kazuhiko Isogawa

SL Sri Sports Limited: 41 patents #4 of 176Top 3%
DC Dunlop Sports Co.: 19 patents #12 of 168Top 8%
SI Sumitomo Rubber Industries: 18 patents #91 of 1,637Top 6%
MC Mitsubishi Chemical: 1 patents #1,511 of 3,022Top 50%
Overall (All Time): #23,899 of 4,157,543Top 1%
78
Patents All Time

Issued Patents All Time

Showing 51–75 of 78 patents

Patent #TitleCo-InventorsDate
7390273 Golf ball Keiji Ohama, Kazuya Kamino 2008-06-24
7387821 Golf ball and process for preparing the same Takashi Sasaki 2008-06-17
7384352 Golf ball Keiji Ohama, Takahiro Sajima 2008-06-10
7371193 Golf ball Koichi Fujisawa, Yoshikazu Yabuki 2008-05-13
7326749 Golf ball Koichi Fujisawa, Yoshikazu Yabuki 2008-02-05
7311616 One-piece golf ball Koichi Fujisawa, Yoshikazu Yabuki 2007-12-25
7294069 Golf ball Koichi Fujisawa, Yoshikazu Yabuki 2007-11-13
7270615 Golf ball Seiichiro Endo, Masatoshi Yokota 2007-09-18
7207904 Golf ball Koichi Fujisawa, Yoshikazu Yabuki 2007-04-24
7153926 Golf ball and process for producing the same Koichi Fujisawa 2006-12-26
7141628 Golf ball and golf ball paint Koichi Fujisawa 2006-11-28
7129295 Golf ball Koichi Fujisawa 2006-10-31
7125346 Solid golf ball Keiji Ohama, Koichi Fujisawa 2006-10-24
7122588 Golf ball Koichi Fujisawa 2006-10-17
7026381 One-piece golf ball Koichi Fujisawa 2006-04-11
6972310 Golf ball and method of making the same 2005-12-06
6875837 Coated golf ball Seiichiro Endo 2005-04-05
6824479 Golf ball Seiichiro Endo, Yoshinori Sano 2004-11-30
6766739 Golf ball printing method Seiichiro Endo 2004-07-27
6716115 Thread wound golf ball Keiji Moriyama 2004-04-06
6705955 Thread wound golf ball Akira Kato 2004-03-16
6676539 Thread-wound golf ball Keiji Moriyama 2004-01-13
6676538 Golf ball, and golf ball printing ink Takashi Sasaki 2004-01-13
6634960 Thread wound golf ball Keiji Moriyama, Kuniyasu Horiuchi, Akira Kato 2003-10-21
6623379 Golf ball Takashi Sasaki 2003-09-23