KH

Kohei HOSOI

IJ Ishikawajima-Harima Jukogyo: 1 patents #170 of 494Top 35%
TO Tosoh: 1 patents #576 of 1,042Top 60%
Overall (All Time): #1,731,903 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12391621 Sintered body, powder and method for producing the same Koji Matsui 2025-08-19
4837906 Rolling roll with variable profile and of the tapered piston type Takaaki Mori, Kinichi Higuchi, Tsukasa Oyauchi, Masao Nitanda, Isao Imai +2 more 1989-06-13