Inventor

SUMIYA NORIYUKI

JP3 patents

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

HITACHI GLOBAL STORAGE TECH

2 patents

US7298573B2Nov 20, 2007

Magnetic disk drive with offset detection of composite magnetic head

HITACHI GLOBAL STORAGE TECH23 citations87

US7586707B2Sep 8, 2009

Magnetic disk drive with increased storage capacity

HITACHI GLOBAL STORAGE TECH2 citations59

HITACHI GLOBAL STORAGE TECH NL

1 patent

US7885027B2Feb 8, 2011

Magnetic disk drive with error correction

HITACHI GLOBAL STORAGE TECH NL1 citations48