MI

Mina Ishida

HI Hitachi: 2 patents #899 of 4,225Top 25%
Overall (2003): #51,654 of 273,478Top 20%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6665147 Magnetic disk drive with supply of perfluoropolyether as lubricant Takayuki Nakakawaji, Yutaka Ito, Hiroyuki Matsumoto, Hiroshi Tani 2003-12-16
6555197 Lubricant, magnetic disk and magnetic disk apparatus Takayuki Nakakawaji, Yutaka Ito, Hiroyuki Matsumoto, Hiroshi Tani, Heigo Ishihara 2003-04-29