Plus Development Corporation
Milipitas, CA, US· latest recorded location
Plus Development Corporation is named on 13 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
- 13
- Published applications
- 0
- Inventors
- 15
- Granted in 2026 so far
- 0
- Most recent grant
- 30 Oct 1990
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 5 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
By publication year.
Technology areas
Share of 13 documents
Recent patents
- Removable hard disk drive module30 Oct 1990US D311,737 SDesign
- Media defect management within disk drive sector format3 Apr 1990US 4,914,530 A
- Microprocessor controlled rigid disk file subsystem21 Nov 1989US 4,882,671 A
- A method for using a modular unitary disk file subsystem22 Aug 1989US 4,860,194 A
- Modular unitary disk file subsystem with differing density zones15 Aug 1989US 4,858,034 A
No published applications.
Most cited
By later US patents
- Modular unitary disk file subsystem125US 4,639,863 A1987
- Aerodynamic latch for disk file actuator73US 4,647,997 A1987
- Compact head and disk assembly59US 4,772,974 A1988
- Thin and compact micro-Winchester head and disk assembly44US 4,712,146 A1987
- Modular unitary disk file subsystem with differing density zones41US 4,858,034 A1989