KU

Kazuaki Usui

HI Hitachi: 1 patents #1,745 of 4,225Top 45%
📍 Chiyoda, JP: #79 of 181 inventorsTop 45%
Overall (2003): #182,873 of 273,478Top 70%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6597532 Information recording disk apparatus Keiko Watanabe, Kei Yasuna, Tetsuya Hamaguchi, Tsuyoshi Arai 2003-07-22