Information recording device and data erasing method
US-10643650-B2 · May 5, 2020 · US
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Overwriting (G11B7/0065 takes precedence)
Overwriting (G11B7/0065 takes precedence) · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G11B7/006 |
| Official title | Overwriting (G11B7/0065 takes precedence) |
| Display label | Overwriting (G11B7/0065 takes precedence) |
| Total patents | 5 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Information recording device and data erasing method
US-2019279676-A1 · Sep 12, 2019 · US
Information recording device and data erasing method
US-10068604-B2 · Sep 4, 2018 · US
Information recording device and data erasing method
US-2017194027-A1 · Jul 6, 2017 · US
Reversible recording medium based on optical storage of information, method of reversible recording on such a medium
US-9368145-B2 · Jun 14, 2016 · US