Method of wet etching and method of fabricating semiconductor device using the same
US-10242880-B2 · Mar 26, 2019 · US
Ko Yongsun patents
Ko Yongsun holds 6 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 6 |
| Recent patents | 0 |
| First publication | Jan 27, 2015 |
| Latest publication | Mar 26, 2019 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
Metal etchant compositions and methods of fabricating a semiconductor device using the same
US-10155903-B2 · Dec 18, 2018 · US
Magneto-resistance random access memory device and method of manufacturing the same
US-9735351-B2 · Aug 15, 2017 · US
Semiconductor wafers including indications of crystal orientation and methods of forming the same
US-9589901-B2 · Mar 7, 2017 · US
Substrate treatment systems using supercritical fluid
US-9027576-B2 · May 12, 2015 · US
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Method of wet etching and method of fabricating semiconductor device using the same
US-10242880-B2 · Mar 26, 2019 · US
Metal etchant compositions and methods of fabricating a semiconductor device using the same
US-10155903-B2 · Dec 18, 2018 · US
Magneto-resistance random access memory device and method of manufacturing the same
US-9735351-B2 · Aug 15, 2017 · US
Semiconductor wafers including indications of crystal orientation and methods of forming the same
US-9589901-B2 · Mar 7, 2017 · US
Substrate treatment systems using supercritical fluid
US-9027576-B2 · May 12, 2015 · US
Top CPC classifications
Most common classification codes in this portfolio.
| CPC | Patents |
|---|---|
| H10P50/283 | 3 |
| H01L21/31111 | 3 |
| H10P50/00 | 2 |
| H01L27/11582 | 2 |
| H10B43/27 | 2 |
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Electricity | 6 |
| Chemistry & Metallurgy | 2 |
Frequently asked questions
Answers are generated from the same data shown on this page.
- How many patents does Ko Yongsun have in patentsdb?
- Ko Yongsun is linked to 6 publications as assignee in our database.
- What technology areas does Ko Yongsun patent most?
- Top mapped technology areas by patent count: Electricity (6); Chemistry & Metallurgy (2).
- Is Ko Yongsun's patent activity growing?
- In our data, assignee counts were 1 in 2018 and 1 in 2019 (similar year over year).
- What are recent patents assigned to Ko Yongsun?
- See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.