OH

Osamu Hirai

HC Hitachi Chemical Company: 1 patents #20 of 118Top 20%
Overall (2004): #143,443 of 270,089Top 55%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6743500 Hollow carbon fiber and production method Shinji Takeda, Noriyuki Taguchi, Kazumi Kokaji 2004-06-01