ET

Eiji Takehana

BC Bridgestone Sports Co.: 47 patents #22 of 224Top 10%
📍 Chichibu, JP: #7 of 144 inventorsTop 5%
Overall (All Time): #60,932 of 4,157,543Top 2%
47
Patents All Time

Issued Patents All Time

Showing 1–25 of 47 patents

Patent #TitleCo-InventorsDate
10046206 Golf ball Takashi Ohira, Tsuyoshi Nakajima 2018-08-14
8864605 Colored golf ball Kae Iizuka, Hiroyuki Nagasawa 2014-10-21
8802778 Golf ball material, golf ball and method for preparing golf ball material Yoshinori Egashira, Jun Shindo 2014-08-12
8669313 Golf ball material and method of preparing the same Kae Iizuka 2014-03-11
8669312 Golf ball material and method of preparing the same Kae Iizuka 2014-03-11
8487027 Golf ball material and method of preparing the same Kae Iizuka 2013-07-16
8461268 Golf ball material, golf ball and method for preparing golf ball material Yoshinori Egashira 2013-06-11
8450419 Golf ball material, golf ball, and method for preparing golf ball material Yoshinori Egashira 2013-05-28
8394876 Golf ball Kae Iizuka 2013-03-12
8372911 Golf ball material and method of preparing the same Kae Iizuka 2013-02-12
8362149 Golf ball material, golf ball and method for preparing golf ball material Yoshinori Egashira, Jun Shindo, Hiroyuki Nagasawa 2013-01-29
8288476 Golf ball material, golf ball and method for preparing golf ball material Yoshinori Egashira 2012-10-16
8158708 Golf ball material, golf ball and method for preparing golf ball material Yoshinori Egashira, Jun Shindo 2012-04-17
8133947 Golf ball material and method of preparing the same Kae Iizuka 2012-03-13
8106115 Golf ball material, golf ball and method for preparing golf ball material Yoshinori Egashira 2012-01-31
8106125 Golf ball material, golf ball and method for preparing golf ball material Yoshinori Egashira, Jun Shindo, Hiroyuki Nagasawa 2012-01-31
8106134 Golf ball and method of improving golf ball performance Yoshinori Egashira, Jun Shindo, Takashi Ohira 2012-01-31
8071684 Golf ball material, golf ball and method for preparing golf ball material Yoshinori Egashira, Jun Shindo, Hiroyuki Nagasawa 2011-12-06
8053524 Golf ball material, golf ball and method for preparing golf ball material Yoshinori Egashira 2011-11-08
8008392 Golf ball material and method of preparing the same Kae Iizuka 2011-08-30
7892112 Golf ball material, golf ball and method for preparing golf ball material Yoshinori Egashira 2011-02-22
7892113 Golf ball Yoshinori Egashira 2011-02-22
7871341 Golf ball material, golf ball and method for preparing golf ball material Yoshinori Egashira 2011-01-18
7851527 Golf ball material, golf ball, and method for preparing golf ball material Yoshinori Egashira, Kae Yamazaki 2010-12-14
7838584 Golf ball Toshihiko Manami 2010-11-23