Process for producing mesophase pitch by hydrogenation of high-temperature coal tar
US-9994775-B2 · Jun 12, 2018 · US
This page is not indexed by search engines while we improve data quality.
Qiu Jieshan patents
Qiu Jieshan holds 2 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 2 |
| Recent patents | 0 |
| First publication | Mar 19, 2015 |
| Latest publication | Jun 12, 2018 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Chemistry & Metallurgy | 2 |
| Cross-Sectional Technologies | 2 |