NK

Noriyuki Kumasaka

HI Hitachi: 4 patents #260 of 3,950Top 7%
📍 Wenatchee, WA: #3 of 33 inventorsTop 10%
🗺 Washington: #140 of 3,602 inventorsTop 4%
Overall (2002): #13,288 of 266,432Top 5%
4
Patents 2002

Issued Patents 2002

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6477133 Disk drive with unbalance correcting mechanism Yasuhiro Yoshimura, Yoshishige Endo, Katsutoshi Nii, Yoshihiro Satou, Yoshiaki Yamauchi +3 more 2002-11-05
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
6339676 Video signal recording and reproducing apparatus compatible with analog and digital video signal recording and reproducing Nobutaka Amada, Hitoaki Owashi, Takaharu Noguchi, Hideo Zama 2002-01-15