Granted Patent
Utility
US 6,657,257
· Confirmation No. 7937
INSULATED GATE FIELD EFFECT TRANSISTOR AND SEMICONDUCTOR INTEGRATED CIRCUIT
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2003-09-26 | IFEE |
Issue Fee Payment (PTO-85B) | 1 | View | |
| 2003-09-26 | LET. |
Miscellaneous Incoming Letter | 1 | View | |
| 2003-09-26 | DRW |
Drawings-only black and white line drawings | 24 | View | |
| 2001-04-09 | TRNA |
Transmittal of New Application | 2 | View | |
| 2001-04-09 | SPEC |
Specification | 45 | View | |
| 2001-04-09 | CLM |
Claims | 7 | View | |
| 2001-04-09 | ABST |
Abstract | 1 | View | |
| 2001-04-09 | DRW |
Drawings-only black and white line drawings | 24 | View | |
| 2001-04-09 | OATH |
Oath or Declaration filed | 4 | View |
Inventors
Takasumi Ohyanagi
Hamura, JAPAN
Atsuo Watanabe
Hitachiohta, JAPAN
Attorneys & Agents of Record
Classification
USPC
257/347
H10D86/01
H10D62/157
H10D86/201
H10D84/151
H10D30/0281
H10D30/657
H10D64/516
Prosecution
- Examiner
- ORTIZ, EDGARDO
- Art Unit
- 2815
- Customer No.
- 26021
- Docket No.
- 81940.0009
- Confirmation No.
- 7937
Foreign Priority
2000-131509
·
2000-04-26
·
JAPAN
Publication
- Pub. No.
- US20010038125A1
- Pub. Date
- 2001-11-08
Patent Term Adjustment
-92days
No related applications found.
CHANGE OF ADDRESS
Recorded 2017-11-29
MERGER AND CHANGE OF NAME
Recorded 2010-07-29
from
HITACHI, LTD.
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2003-09-26
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2001-04-09
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Quick Facts
- Patent No.
- US 6,657,257
- App. No.
- 09/829,582
- Filed
- 2001-04-09
- Granted
- 2003-12-02
- Pub. No.
- US20010038125A1
- Examiner
- ORTIZ, EDGARDO
- Art Unit
- 2815
- PTA
- -92 days
External Links