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Inventor

Atsuko Okawa

Inventor
Yokohama, JP

Overview

6→
Patents
2001–2015
Patent span
Physics
Primary field (CPC G)

Patents· 6 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 transducer50%
Y10TTechnical subjects covered by former us classification33%
G09BEducational or demonstration appliances8%
G11CStatic stores8%
PatentTitleYear
9,036,307'Heat-assisted magnetic recording (HAMR) write head with recessed near-field transducer and optically transparent protective film'20158,472,134'Air bearing surface overcoat with soft intermediate film, and methods of producing the same'20136,771,887'Recording/reproducing apparatus and recording/reproducing method'20046,690,544'Magnetic head and magnetic head manufacturing method'20046,504,680'Magnetic head and magnetic head manufacturing method'20036,278,582'Magnetic head and magnetic head manufacturing method'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001Patents assigned to HIATCHI LTD (1)· patent assignee history
2001–2015Based in Yokohama, JP· patent location history
2003–2004Patents assigned to HITACHI LTD (2)· patent assignee history
2004Based in Tokyo, JP· patent location history
2013–2015Patents assigned to HGST Netherlands BV (2)· patent assignee history
2013Patents assigned to INABA HIROSHI (1)· patent assignee history
2013Patents assigned to ISHIZAKI HIROSHI (1)· patent assignee history
2013Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HGST Netherlands BV22013–2015
HITACHI LTD22003–2004
HIATCHI LTD12001
INABA HIROSHI12013
ISHIZAKI HIROSHI12013
Locations
LocationPatentsSpan
Yokohama, JP42001–2015
Kanagawa, JP12013
Tokyo, JP12004