KI

Koichi Ishikawa

DC Daido Steel Co.: 1 patents #1 of 14Top 8%
UN Unknown: 1 patents #273 of 2,925Top 10%
Overall (2003): #176,894 of 273,478Top 65%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6667005 Corrosion resistant steel Kiyohito Ishida, Katsunari Oikawa, Takashi Ebata, Toshiharu Noda, Tetsuya Shimizu 2003-12-23