Vertical memory device with gate lines at the same level connected
US-9640549-B2 · May 2, 2017 · US
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Lee Chang-Hyun patents
Lee Chang-Hyun holds 9 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 9 |
| Recent patents | 0 |
| First publication | May 5, 2015 |
| Latest publication | May 2, 2017 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
Vertical memory devices
US-9634023-B2 · Apr 25, 2017 · US
Semiconductor devices having air gaps
US-9577115-B2 · Feb 21, 2017 · US
Non-volatile memory device and method of programming the same
US-9443596-B2 · Sep 13, 2016 · US
Vertical-type non-volatile memory devices having dummy channel holes
US-9406692-B2 · Aug 2, 2016 · US
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Vertical memory device with gate lines at the same level connected
US-9640549-B2 · May 2, 2017 · US
Vertical memory devices
US-9634023-B2 · Apr 25, 2017 · US
Semiconductor devices having air gaps
US-9577115-B2 · Feb 21, 2017 · US
Non-volatile memory device and method of programming the same
US-9443596-B2 · Sep 13, 2016 · US
Vertical-type non-volatile memory devices having dummy channel holes
US-9406692-B2 · Aug 2, 2016 · US
Top CPC classifications
Most common classification codes in this portfolio.
| CPC | Patents |
|---|---|
| H01L27/11582 | 5 |
| H10B43/27 | 5 |
| H10D30/693 | 4 |
| H10D30/0413 | 4 |
| H01L29/7926 | 3 |
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Electricity | 7 |
| Physics | 2 |
| Chemistry & Metallurgy | 1 |