Yasushi Ichikawa

BC Bridgestone Sports Co.: 105 patents #4 of 224Top 2%

Nike: 46 patents #145 of 2,652Top 6%

Nissan Motor Co.: 15 patents #389 of 8,689Top 5%

SK Showa Denko K.K.: 5 patents #278 of 1,736Top 20%

NE NS Sumikin Engineering: 2 patents #16 of 113Top 15%

NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%

SC Showa Highpolymer Co.: 1 patents #45 of 102Top 45%

FC Feng Tay Enterprises Co.: 1 patents #9 of 18Top 50%

📍 Tualatin, OR: #2 of 324 inventorsTop 1%

🗺 Oregon: #74 of 28,073 inventorsTop 1%

Overall (All Time): #4,462 of 4,157,543Top 1%

176

Patents All Time

Issued Patents All Time

Showing 176–176 of 176 patents

Patent #	Title	Co-Inventors	Date
5559188	Golf ball	Yoshinori Egashira, Hideo Watanabe	1996-09-24