SS

Sigeru Sano

HI Hitachi: 3 patents #10,712 of 28,497Top 40%
Overall (All Time): #1,624,873 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6303205 Magnetic disk including protective layer having surface with protrusions, and substrate therefor Hideaki Tanaka, Kenichi Gomi, Yoshihiko Miyake, Youichi Inomata, Hiroshi Yashiki +2 more 2001-10-16
5930073 Magnetic disk including protective layer having surface with magnetic disk including protrusions, and magnetic disk apparatus including the magnetic disk Hideaki Tanaka, Kenichi Gomi, Yoshihiko Miyake, Youichi Inomata, Hiroshi Yashiki +2 more 1999-07-27
5504646 Magnetic disk including protective layer having surface with protusions and magnetic disk apparatus including the magnetic disk Hideaki Tanaka, Kenichi Gomi, Yoshihiko Miyake, Youichi Inomata, Hiroshi Yashiki +2 more 1996-04-02