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Inventor

Hidekazu Kashiwase

Inventor
Kanagawa, JP

Overview

11→
Patents
2004–2019
Patent span
Physics
Primary field (CPC G)

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 transducer58%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests16%
Y10TTechnical subjects covered by former us classification16%
H01FMagnets11%
PatentTitleYear
10,210,895Anti-corrosion insulation layer for magnetic recording medium20198,221,192'Magnetic-recording-disk test-head and method of manufacturing a magnetic-recording disk using the magnetic-recording-disk test-head'20127,876,530'Magnetic recording medium having a cobalt-based alloy film for high density recording and magnetic storage device using same'20117,704,613'Magnetic recording medium for high density recording'20107,545,604'Magnetic recording medium having a cobalt-based alloy film for high density recording and magnetic storage device using same'20097,532,436'Magnetic recording medium and magnetic memory device for high density recording'20097,338,725'Magnetic recording medium and magnetic storage device'20087,267,894'Magnetic recording medium and magnetic recording apparatus'20077,163,756'Magnetic recording medium'20076,887,565'Magnetic recording medium and magnetic storage device'20056,830,837'Magnetic recording medium and magnetic recording apparatus'2004

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004–2010Patents assigned to HITACHI GLOBAL STORAGE TECH (6)· patent assignee history
2004–2007Based in Yokohama, JP· patent location history
2005–2008Patents assigned to HITACHI LTD (2)· patent assignee history
2007Based in Fujisawa, JP· patent location history
2008Based in Tokyo, JP· patent location history
2009–2019Based in Kanagawa, JP· patent location history
2011–2012Patents assigned to HITACHI GLOBAL STORAGE TECH NL (2)· patent assignee history
2012Patents assigned to HASHIMOTO KIYOSHI (1)· patent assignee history
2019Patents assigned to HGST Netherlands BV (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI GLOBAL STORAGE TECH62004–2010
HITACHI GLOBAL STORAGE TECH NL22011–2012
HITACHI LTD22005–2008
HASHIMOTO KIYOSHI12012
HGST Netherlands BV12019
Locations
LocationPatentsSpan
Kanagawa, JP62009–2019
Yokohama, JP32004–2007
Tokyo, JP12008
Fujisawa, JP12007