Perfectdata Corporation
Chatsworth, CA, US· latest recorded location
Perfectdata Corporation is named on 8 US grants and 0 published applications in this corpus. Its most frequent classification is G11B (Information storage based on relative movement between record carrier and transducer).
- Granted patents
- 8
- Published applications
- 0
- Inventors
- 5
- Granted in 2026 so far
- 0
- Most recent grant
- 27 Jun 1989
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
By publication year.
Technology areas
Share of 8 documents
Recent patents
- Cleaning cartridge for cleaning the drive head/drive wheel of a cartridge tape drive system27 Jun 1989US 4,843,508 A
- Micro floppy disc head cleaner21 Jul 1987US 4,682,257 A
- Floppy diskette storage container2 Sep 1986US 4,609,231 A
- Apparatus and method for enhancing flexible magnet disk performance5 Aug 1986US 4,604,672 A
- Type element cleaner17 Dec 1985US 4,558,482 A
No published applications.
Most cited
By later US patents
- Manually operated conditioner for flexible magnetic disks33US 4,490,767 A1984
- Disk storage and display container15US 4,527,692 A1985
- Micro floppy disc head cleaner11US 4,682,257 A1987
- Non-abrasive magnetic head cleaning system9US 4,498,114 A1985
- Cleaning cartridge for cleaning the drive head/drive wheel of a cartridge tape drive system8US 4,843,508 A1989