Granted Patent
Utility
US 6,487,247
· Confirmation No. 4494
METHOD OF PROTECTION OF DATA REPRODUCTION, AND REPRODUCTION APPARATUS PROVIDING PROTECTION OF DATA REPRODUCTION
Inventor:
Takayuki Sugahara
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2005-05-26 | EBCC.AD |
Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update | 1 | View | |
| 2001-11-26 | TRNA |
Transmittal of New Application | 2 | View | |
| 2001-11-26 | SPEC |
Specification | 34 | View | |
| 2001-11-26 | CLM |
Claims | 2 | View | |
| 2001-11-26 | ABST |
Abstract | 1 | View | |
| 2001-11-26 | DRW |
Drawings-only black and white line drawings | 16 | View | |
| 2001-11-26 | OATH |
Oath or Declaration filed | 2 | View |
Inventors
Takayuki Sugahara
Yokohama, JAPAN
Attorneys & Agents of Record
Classification
USPC
375/240.01
H04N9/87
G06F21/1063
G06F2211/007
G06F2221/2101
G06F2221/2107
G06F2221/2113
G06F2221/2149
G11B20/00007
G11B20/00086
G11B20/00094
G11B20/00159
G11B20/00188
G11B20/00739
G11B20/00768
G11B27/105
G11B27/3027
G11B2020/00014
G11B2020/10537
G11B2220/2545
H04N5/85
H04N9/8042
H04N9/806
Prosecution
- Examiner
- LEE, Y YOUNG
- Art Unit
- 2613
- Customer No.
- 22902
- Docket No.
- 041-179032
- Confirmation No.
- 4494
Foreign Priority
6-47762
·
1994-02-22
·
JAPAN
Publication
- Pub. No.
- US20020031171A1
- Pub. Date
- 2002-03-14
Patent Term Adjustment
-94days
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Quick Facts
- Patent No.
- US 6,487,247
- App. No.
- 09/991,662
- Filed
- 2001-11-26
- Granted
- 2002-11-26
- Pub. No.
- US20020031171A1
- Examiner
- LEE, Y YOUNG
- Art Unit
- 2613
- PTA
- -94 days
External Links