Method for improving a patterned perpendicular magnetic recording disk with annealing
US-9147423-B2 · Sep 29, 2015 · US
This page is not indexed by search engines while we improve data quality.
Hellwig Olav patents
Hellwig Olav holds 2 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 2 |
| Recent patents | 0 |
| First publication | Jun 16, 2015 |
| Latest publication | Sep 29, 2015 |
Filing trend
Year-over-year patent counts for this assignee.
Not enough yearly data to assess filing trend yet.
| Year | Patents |
|---|---|
| 2015 | 2 |
| Year | Patents |
|---|---|
| 2015 | 2 |
Recent patents
Latest publications where this party is an assignee.
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Top CPC classifications
Most common classification codes in this portfolio.
| CPC | Patents |
|---|---|
| G11B5/855 | 2 |
| G11B5/743 | 1 |
| C23C14/225 | 1 |
| C23C14/226 | 1 |
| G11B5/82 | 1 |
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Chemistry & Metallurgy | 2 |
| Physics | 2 |
| Operations & Transport | 1 |
| Cross-Sectional Technologies | 1 |