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 26–50 of 78 patents

Patent #TitleCo-InventorsDate
8663031 Golf ball Satoko Okabe, Hirotaka Nakamura 2014-03-04
8651977 Golf ball Tsutomu Hirau 2014-02-18
8608594 Golf ball Tsutomu Hirau, Hirotaka Nakamura, Takahiro Shigemitsu 2013-12-17
8608593 Golf ball Tsutomu Hirau 2013-12-17
8523710 Golf ball Tsutomu Hirau 2013-09-03
8491417 Golf ball Tsutomu Hirau 2013-07-23
8450425 Golf ball Satoko Okabe, Takahiro Shigemitsu, Tsutomu Hirau 2013-05-28
8399563 Golf ball Tsutomu Hirau, Satoko Okabe 2013-03-19
8314172 Golf ball Tsutomu Hirau, Satoko Okabe 2012-11-20
8043168 Golf ball Tsutomu Hirau 2011-10-25
7976412 Golf ball Tsutomu Hirau 2011-07-12
7927235 Golf ball Masatoshi Yokota, Seiichiro Endo, Masaaki Kikuchi, Koichi Fujisawa 2011-04-19
7914399 Golf ball Masatoshi Yokota, Seiichiro Endo, Masaaki Kikuchi, Koichi Fujisawa 2011-03-29
7842216 Method for the production of golf ball Seiichiro Endo, Masatoshi Yokota, Koichi Fujisawa 2010-11-30
7824739 Method for producing a golf ball Koichi Fujisawa, Yoshikazu Yabuki 2010-11-02
7727086 Golf ball Masatoshi Yokota, Seiichiro Endo, Masaaki Kikuchi, Koichi Fujisawa 2010-06-01
7708657 Golf ball Masatoshi Yokota, Koichi Fujisawa 2010-05-04
7695380 Golf ball 2010-04-13
7648427 Golf ball 2010-01-19
7638580 Golf ball Takashi Sasaki 2009-12-29
7635313 Golf ball Keiji Ohama, Takahiro Sajima 2009-12-22
7628715 Golf ball Masatoshi Yokota, Seiichiro Endo, Masaaki Kikuchi, Koichi Fujisawa 2009-12-08
7622065 Method for the production of golf ball Koichi Fujisawa 2009-11-24
7410430 Golf ball Keiji Ohama 2008-08-12
7396301 Golf ball Keiji Ohama 2008-07-08