NE

Naofumi Ezawa

Bridgestone: 3 patents #795 of 2,860Top 30%
SK Showa Denko K.K.: 1 patents #940 of 1,736Top 55%
Overall (All Time): #1,592,128 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7019063 Rubber composition for inner liner Ichiro Wada, Masashi Ohara, Osamu Uchino, Toshiaki Koura, Motoaki Kanoh +2 more 2006-03-28
6656992 Rubber composition Yasuo Fukushima, Susumu Shibusawa 2003-12-02
6242522 Rubber composition for tire tread and pneumatic tire using same Kazuo Yagawa, Naohiro Sasaka 2001-06-05