Granted Patent
Utility
US 6,643,105
· Confirmation No. 5294
MAGNETIC HEAD HAVING MAGNETIC SHIELD LAYERS
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2003-08-29 | IFEE |
Issue Fee Payment (PTO-85B) | 1 | View | |
| 2002-08-08 | TRNA |
Transmittal of New Application | 2 | View | |
| 2002-08-08 | A.PE |
Preliminary Amendment | 7 | View | |
| 2002-08-08 | SPEC |
Specification | 33 | View | |
| 2002-08-08 | CLM |
Claims | 2 | View | |
| 2002-08-08 | ABST |
Abstract | 1 | View | |
| 2002-08-08 | DRW |
Drawings-only black and white line drawings | 7 | View | |
| 2002-08-08 | OATH |
Oath or Declaration filed | 5 | View |
Inventors
Kazuhiro Nakamoto
Odawara, JAPAN
Hiroyuki Hoshiya
Odawara, JAPAN
Takashi Kawabe
Hitachi, JAPAN
Hiromasa Takahashi
Hachioji, JAPAN
Hisashi Kimura
Odawara, JAPAN
Katsuro Watanabe
Odawara, JAPAN
Chiaki Ishikawa
Kokubunji, JAPAN
Kaori Totsuka
Mitaka, JAPAN
Attorneys & Agents of Record
Classification
USPC
360/319
G11B5/3903
G11B5/40
Prosecution
- Examiner
- DAVIS, DAVID DONALD
- Art Unit
- 2652
- Customer No.
- 20457
- Docket No.
- 520.38371CX1
- Confirmation No.
- 5294
Foreign Priority
11-162040
·
1999-06-09
·
JAPAN
Publication
- Pub. No.
- US20020191352A1
- Pub. Date
- 2002-12-19
Patent Term Adjustment
-1days
RELEASE OF SECURITY INTEREST AT REEL 052915 FRAME 0566
Recorded 2022-02-08
SECURITY INTEREST
Recorded 2020-02-06
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2016-12-05
from
HITACHI, LTD.
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2005-01-27
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Quick Facts
- Patent No.
- US 6,643,105
- App. No.
- 10/214,102
- Filed
- 2002-08-08
- Granted
- 2003-11-04
- Pub. No.
- US20020191352A1
- Examiner
- DAVIS, DAVID DONALD
- Art Unit
- 2652
- PTA
- -1 days
External Links