KK

Kazuhiko Kawakami

HI Hitachi: 4 patents #260 of 3,950Top 7%
📍 Hitachinaka, JP: #17 of 281 inventorsTop 7%
Overall (2002): #14,720 of 266,432Top 6%
4
Patents 2002

Issued Patents 2002

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6501617 Press-fit and plastic-flow coupling of a shaft to a hub of a disk device Kouji Harada 2002-12-31
6469866 Spindle motor and magnetic disc device with hydrodynamic bearing Katsutoshi Nii, Masaru Muranishi, Shozo Saegusa, Tsuyoshi Takahashi, Kenji Tomida +5 more 2002-10-22
6369980 Disk drive unit with hydrodynamic fluid bearing unit and disk device with said drive unit Katsutoshi Nii, Kenji Tomida, Hiroshi Nishida, Kouki Uefune, Yuuichi Yanagase +4 more 2002-04-09
6369981 Disk drive unit with hydrodynamic fluid bearing unit and disk device with said drive unit Katsutoshi Nii, Kenji Tomida, Hiroshi Nishida, Kouki Uefune, Yuuichi Yanagase +4 more 2002-04-09