RH

Ryohheita Hattori

HG HGST: 5 patents #358 of 1,677Top 25%
📍 San Jose, CA: #10,736 of 32,062 inventorsTop 35%
🗺 California: #106,790 of 386,348 inventorsTop 30%
Overall (All Time): #1,022,679 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
8085489 Method for writing servo patterns and disk drive including a controller for writing servo patterns according to the method Masaki Yoshioka, Suthasun Thambirajah, Minoru Hashimoto, Kei Yasuna 2011-12-27
8023220 Method for writing servo data to a disk and disk drive configured to write servo data utilizing the method Masaki Yoshioka, Kei Yasuna, Makoto Takase 2011-09-20
7692898 Magnetic head that includes negative expansion material Naoki Kodama, Hiroyuki Suzuki 2010-04-06
7457072 Disk drive with head fly-height compensation for disk surface variations Roel Dieron, Satyajit Patwardhan, Christopher David Wiederholt 2008-11-25
7375914 Disk drive with improved method for operating a thermal head fly-height actuator Roel Dieron, Satyajit Patwardhan, Christopher David Wiederholt 2008-05-20