TT

Takashi Tokuyama

NS Nippon Steel: 2 patents #1,308 of 4,423Top 30%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
SC Sumitomo Electric Tochigi Co.: 2 patents #6 of 16Top 40%
SI Sumitomo Rubber Industries: 2 patents #809 of 1,637Top 50%
Overall (All Time): #1,868,182 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10914015 Steel cord and method for producing the same Tetsuya Nakajima, Kenichi Yamashita, Shinei Takamura, Masumi Suzuki, Koji FUJISAWA +1 more 2021-02-09
10632791 Tire Tetsuya Nakajima, Kenichi Yamashita, Shinei Takamura, Masumi Suzuki, Koji FUJISAWA 2020-04-28