KF

Koji FUJISAWA

SI Sumitomo Rubber Industries: 6 patents #366 of 1,637Top 25%
Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
SC Sumitomo Electric Tochigi Co.: 3 patents #2 of 16Top 15%
NS Nippon Steel: 2 patents #1,308 of 4,423Top 30%
Overall (All Time): #811,405 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
11780266 Tire with specified belt layers of 1X4 steel cords Akifumi MATSUOKA, Kazuhiko Saito, Shinei Takamura, Masumi Suzuki 2023-10-10
11433706 Composite and pneumatic tire Natsuki MAEKAWA, Hiroshi Ito, Ryosuke Harada, Daiko Fujimori 2022-09-06
10940718 Composite and pneumatic tire Natsuki MAEKAWA, Hiroshi Ito, Ryosuke Harada, Daiko Fujimori 2021-03-09
10914015 Steel cord and method for producing the same Tetsuya Nakajima, Kenichi Yamashita, Takashi Tokuyama, Shinei Takamura, Masumi Suzuki +1 more 2021-02-09
10632791 Tire Tetsuya Nakajima, Kenichi Yamashita, Takashi Tokuyama, Shinei Takamura, Masumi Suzuki 2020-04-28
10086651 Rubber composition and pneumatic tire having tread fabricated using rubber composition Toshifumi HABA, Gen Higa, Satoko Kitamura, Takahiro Mabuchi, Kazuya Torita 2018-10-02