Inventor

LENGSFIELD III BYRON HASSBERG

US11 patents

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

HITACHI GLOBAL STORAGE TECH

8 patents

US7582368B2Sep 1, 2009

Perpendicular magnetic recording medium with an exchange-spring recording structure and a lateral coupling layer for increasing intergranular exchange coupling

HITACHI GLOBAL STORAGE TECH27 citations91

US7588841B2Sep 15, 2009

Perpendicular magnetic recording exchange-spring type medium with a lateral coupling layer for increasing intergranular exchange coupling in the lower magnetic layer

HITACHI GLOBAL STORAGE TECH13 citations83

US7572526B2Aug 11, 2009

Perpendicular magnetic recording medium with exchange-spring structure having multiple exchange-spring layers and recording system for the medium

HITACHI GLOBAL STORAGE TECH16 citations83

US7532432B2May 12, 2009

Perpendicular magnetic recording system with medium having thin soft underlayer and recording head having thick-throat trailing shield

HITACHI GLOBAL STORAGE TECH9 citations83

US7550210B2Jun 23, 2009

Perpendicular magnetic recording medium with multiple exchange-coupled magnetic layers having substantially similar anisotropy fields

HITACHI GLOBAL STORAGE TECH16 citations82

US7443630B2Oct 28, 2008

Apparatus, system, and method for writing magnetically encoded data to discrete lands

HITACHI GLOBAL STORAGE TECH9 citations81

US7572527B2Aug 11, 2009

Perpendicular magnetic recording medium with improved antiferromagnetically-coupled recording layer

HITACHI GLOBAL STORAGE TECH7 citations73

US7529065B2May 5, 2009

Laminated magnetic thin films with weak antiferromagnetic coupling for perpendicular magnetic recording

HITACHI GLOBAL STORAGE TECH2 citations61

HITACHI GLOBAL STORAGE TECH NL

3 patents

US7894159B2Feb 22, 2011

Perpendicular write head with independent trailing shield designs

HITACHI GLOBAL STORAGE TECH NL44 citations93

US7846563B2Dec 7, 2010

Perpendicular magnetic recording exchange-spring type medium with a lateral coupling layer for increasing intergranular exchange coupling in the lower magnetic layer

HITACHI GLOBAL STORAGE TECH NL8 citations83

US8021769B2Sep 20, 2011

Patterned perpendicular magnetic recording medium with exchange coupled recording layer structure and magnetic recording system using the medium

HITACHI GLOBAL STORAGE TECH NL5 citations62