Inventor
Youichi Kawakubo
Inventor
Tokyo, JP
Overview
Patents· 9 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 transducer82%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
Y10TTechnical subjects covered by former us classification9%
PatentTitleYear
7,385,786'Magnetic head slider and a magnetic disk device in which the slider is mounted'20087,072,146'Magnetic head slider and a magnetic disk device in which the slider is mounted'20066,985,334'Magnetic head slider and a magnetic disk device in which the slider is mounted'20066,597,537'Magnetic head slider and a magnetic disk device in which the slider is mounted'20036,452,751'Magnetic head slider and a magnetic disk device in which the slider is mounted'20026,373,661'Magnetic head slider and a magnetic disk device in which the slider is mounted'20025,548,454'Information recording disk, its production method and recording apparatus'19965,020,041'Magneto-optical memory apparatus having a floating magnetic head'19914,721,646'Magnetic recording medium'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–2006Patents assigned to HITACHI LTD (7)· patent assignee history
1988–1996Based in Tokorozawa, JP· patent location history
2002–2008Based in Tokyo, JP· patent location history
2006–2008Patents assigned to HITACHI GLOBAL STORAGE TECH (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 7 | 1988–2006 |
| HITACHI GLOBAL STORAGE TECH | 2 | 2006–2008 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 6 | 2002–2008 |
| Tokorozawa, JP | 3 | 1988–1996 |