P

Inventor

OHDAKE ICHIRO

JP5 patents
⚠️ This page may combine multiple inventors who share the name “OHDAKE ICHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI GLOBAL STORAGE TECH

3 patents
US7646564B2Jan 12, 2010

Perpendicular magnetic recording head for high frequency drive

HITACHI GLOBAL STORAGE TECH27 citations92
US7576952B2Aug 18, 2009

Magnetic write head including a magnetic pole piece having a protrusion

HITACHI GLOBAL STORAGE TECH6 citations61
US7551395B2Jun 23, 2009

Main pole structure coupled with trailing gap for perpendicular recording

HITACHI GLOBAL STORAGE TECH2 citations61

HITACHI GLOBAL STORAGE TECH NL

1 patent
US8000058B2Aug 16, 2011

Magnetic head for perpendicular recording having pole pieces provided on surface of soft magnetic film

HITACHI GLOBAL STORAGE TECH NL1 citations51

MARUYAMA YOJI

1 patent
US8437102B2May 7, 2013

Perpendicular magnetic head with side shield depth less than write gap film

MARUYAMA YOJI3 citations46