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Yoshihiro Yamana

BC Bridgestone Sports Co.: 5 patents #81 of 224Top 40%
KC Kuraray Co.: 5 patents #308 of 1,827Top 20%
CL Central Glass Company, Limited: 1 patents #505 of 968Top 55%
DC Dow Corning Toray Co.: 1 patents #117 of 258Top 50%
📍 Kurashiki, JP: #75 of 838 inventorsTop 9%
Overall (All Time): #464,531 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
8691921 Polyurethane and manufacturing method therefor, master batch, ink binder, ink composition, thermoplastic polymer composition for molding, molded body, and composite molded body and manufacturing method therefor Takayoshi Otomo, Yuichi Tsuji, Katsumi Kihara, Hidekazu Saito, Kazumasa HATTORI 2014-04-08
7794641 Method for producing golf ball Hiroyuki Nagasawa, Yoshinori Egashira, Hidekazu Saito, Hiroki Kimura 2010-09-14
7601290 Method for producing golf ball Hiroyuki Nagasawa, Yoshinori Egashira, Hidekazu Saito, Hiroki Kimura 2009-10-13
7479533 Golf ball Hiroyuki Nagasawa, Yoshinori Egashira, Hidekazu Saito, Hiroki Kimura 2009-01-20
7388066 Golf ball Hiroyuki Nagasawa, Hidekazu Saito, Hiroki Kimura 2008-06-17
7387837 Thermoplastic polyurethane composition and process for producing the same Hiroyuki Ono 2008-06-17
7278929 Three-piece solid golf ball Junji Umezawa, Kazufumi Tabata, Hiroyuki Nagasawa, Hidekazu Saito, Hiroki Kimura 2007-10-09
7084207 Thermoplastic polyurethane composition and process for producing the same Hiroyuki Ono 2006-08-01
6197915 Thermoplastic polyurethanes, polyurethane elastic fibers therefrom, and method for producing the fibers Hiroyuki Ono 2001-03-06
5403654 Chopped strand mat and thermoplastic sheet Akira Muto, Isao Ohnishi, Shigeru Yano, Mitsuo Nakazawa 1995-04-04
4916010 Stamping-moldable material Yasuhira Takeuchi 1990-04-10