EK

Eiichi Koyama

BL Bridgestone Tire Company Limited: 2 patents #115 of 438Top 30%
DC Delta Tooling Co.: 2 patents #34 of 93Top 40%
SC Suminoe Textile Co.: 2 patents #4 of 50Top 8%
KL Kanebo, Limited: 1 patents #248 of 571Top 45%
Overall (All Time): #1,271,006 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6670018 Net fabric to be processed into net product Etsunori Fujita, Yumi Ogura, Masaki Nishino, Yoshio Tsumura, Kazuhiro Ueda 2003-12-30
6315364 Cushion and seat each having net-like skin Etsunori Fujita, Hiroki Ohshimo, Shigeki Wagata, Masaki Nishino, Yumi Ogura +6 more 2001-11-13
4718470 Pneumatic radial tires Noboru Kusakabe, Masaaki Morimoto, Koichi Kojima 1988-01-12
4399853 Metal cord-rubber composite materials Masaaki Morimoto, Noboru Kusakabe, Koichi Kojima 1983-08-23