Inventor
Masahiko Hatatani
Inventor
Kanagawa, JP
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer65%
B82YSpecific uses or applications of nanostructures24%
G01RMeasuring electric variables6%
H10NElectric solid-state devices not otherwise provided for6%
PatentTitleYear
9,406,322'Graded side shield gap reader'20169,263,086'Magnetization control for magnetic shield in magnetic recording head'20169,142,227'Microwave assisted magnetic recording (MAMR) write head and system'20158,976,493'Magnetic read sensor with novel pinned layer and side shield design for improved data track resolution and magnetic pinning robustness'20158,149,548'Magnetic head and manufacturing method thereof'20127,599,151'Magnetic head with laminated side shields'20097,535,683'Magnetoresistive head with improved in-stack longitudinal biasing layers'20097,505,232'Magnetic head with side shield and manufacturing method thereof'20097,440,240'Magnetic head with domain stabilization and magnetic recording/reproducing apparatus using the same'20087,274,542'Magnetic sensor having a free layer containing a single magnetic domain'20076,937,449'Spin-valve head containing closed-flux-structure domain control films'2005Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2005Patents assigned to HITACHI LTD (1)· patent assignee history
2005–2007Based in Odawara, JP· patent location history
2007–2012Patents assigned to HITACHI GLOBAL STORAGE TECH (6)· patent assignee history
2008–2012Based in Kanagawa, JP· patent location history
2012Patents assigned to HATATANI MASAHIKO (1)· patent assignee history
2012Patents assigned to HOSHINO KATSUMI (1)· patent assignee history
2015–2016Patents assigned to HGST Netherlands BV (4)· patent assignee history
2015–2016Based in Kamakura, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI GLOBAL STORAGE TECH | 6 | 2007–2012 |
| HGST Netherlands BV | 4 | 2015–2016 |
| HATATANI MASAHIKOself | 1 | 2012 |
| HITACHI LTD | 1 | 2005 |
| HOSHINO KATSUMI | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 5 | 2008–2012 |
| Kamakura, JP | 4 | 2015–2016 |
| Odawara, JP | 2 | 2005–2007 |