OH

Osamu Hirai

HC Hitachi Chemical Company: 1 patents #9 of 96Top 10%
Overall (2003): #146,845 of 273,478Top 55%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6641792 Hollow carbon fiber and production method Shinji Takeda, Noriyuki Taguchi, Kazumi Kokaji 2003-11-04