YN

Yumi Nagano

HG HGST: 4 patents #440 of 1,677Top 30%
IBM: 1 patents #44,794 of 70,183Top 65%
Overall (All Time): #1,020,076 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7969681 Disk drive and control method thereof Noriaki Satoh, Toyomi Ohsawa, Nobumasa Nishiyama 2011-06-28
7864474 Disk drive and control method thereof Noriaki Satoh, Toyomi Ohsawa, Kouji Miyake, Yoshiaki Uji, Masayuki Kurita 2011-01-04
7457067 Method of controlling a recording current, and magnetic disk device Michio Nakajima, Toyomi Ohsawa, Masato Taniguchi 2008-11-25
7417209 Recording disk drive with reduced noise thermal flyheight control John Contreras, Takashi Ikeda, Nobumasa Nishiyama, Toyomi Ohsawa, Mike Suk 2008-08-26
6798598 Method for controlling write current to a write head during data write on a hard disk Hiroaki Suzuki, Hideo Asano, Michio Nakajima, Masaomi Ikeda, Masashi Murai 2004-09-28