KW

Keiko Watanabe

HI Hitachi: 2 patents #899 of 4,225Top 25%
Overall (2003): #56,769 of 273,478Top 25%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6636385 Magnetic disc apparatus having actuator for head positioning mechanism Kei Yasuna, Takashi Yamaguchi, Tetsuya Hamaguchi 2003-10-21
6597532 Information recording disk apparatus Kazuaki Usui, Kei Yasuna, Tetsuya Hamaguchi, Tsuyoshi Arai 2003-07-22