YH

Yoshihiro Hirasaka

IBM: 2 patents #1,011 of 5,539Top 20%
HG HGST: 1 patents #21 of 110Top 20%
Overall (2003): #18,892 of 273,478Top 7%
3
Patents 2003

Issued Patents 2003

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6657812 Disk drive including a dust catching chamber and an associated gasket portion Kohji Serizawa 2003-12-02
6633452 Disk drive apparatus, hard disk drive, and enclosure for hard disk drive Keishi Takahasi, Kohji Serizawa, Mutsuro Ohta 2003-10-14
6519111 Disk drive apparatus, hard disk drive, filter, and method for inspecting disk drive apparatus Ichiroh Koyanagi, Kohichi Takeuchi 2003-02-11