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 1–25 of 92 patents

Patent #TitleCo-InventorsDate
9968828 Colored golf ball Kosuke TACHIBANA 2018-05-15
9962578 Colored golf ball Kosuke TACHIBANA 2018-05-08
9744408 Golf ball Kazuya Kamino 2017-08-29
9517385 Golf ball and process for preparing the same Satoko Okabe, Takahiro Shigemitsu 2016-12-13
9447222 Golf ball resin composition and golf ball using the same Kazuyoshi Shiga, Toshiyuki Tarao 2016-09-20
9186555 Golf ball Kazuya Kamino, Hirotaka Nakamura 2015-11-17
9139712 Golf ball Hirotaka Nakamura 2015-09-22
9040632 Golf ball Satoko Okabe 2015-05-26
9011272 Golf ball Kazuhiko Isogawa, Yoshiko Matsuyama, Seiichiro Endo 2015-04-21
8986138 Golf ball Hirotaka Nakamura, Kazuhiko Isogawa 2015-03-24
8974319 Golf ball material and golf ball using the same Kazuyoshi Shiga, Toshiyuki Tarao 2015-03-10
8888611 Golf ball cover material and golf ball using the same Kazuyoshi Shiga, Toshiyuki Tarao 2014-11-18
8888610 Golf ball Yoshiko Matsuyama, Takahiro Sajima 2014-11-18
8882610 Golf ball Yoshiko Matsuyama, Takahiro Sajima 2014-11-11
8877875 Golf ball Kazuya Kamino, Toshiyuki Tarao 2014-11-04
8840493 Golf ball Hirotaka Nakamura, Seiichiro Endo 2014-09-23
8777780 Golf ball Kazuya Kamino 2014-07-15
8721474 Golf ball Hirotaka Nakamura, Kazuya Kamino 2014-05-13
8721475 Golf ball and method for producing the same Kazuyoshi Shiga, Toshiyuki Tarao 2014-05-13
8690714 Golf ball material and golf ball Kazuyoshi Shiga, Toshiyuki Tarao 2014-04-08
8672774 Golf ball 2014-03-18
8657704 Golf ball Yoshiko Matsuyama, Toshiyuki Tarao, Kazuyoshi Shiga, Hirotaka Nakamura, Takahiro Sajima 2014-02-25
8574097 Golf ball Hirotaka Nakamura, Kazuhiko Isoagawa, Satoko Okabe 2013-11-05
8501871 Golf ball Satoko Okabe 2013-08-06
8409033 Golf ball Kazuya Kamino, Takahiro Sajima 2013-04-02