Phase change multilayer heterostructure with multiple heaters
US-12593621-B2 · Mar 31, 2026 · US
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Ok Injo patents
Ok Injo is listed as an inventor on 299 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Ok Injo |
| Total patents | 299 |
| First publication | Sep 10, 2015 |
| Latest publication | Mar 31, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Programming current control for artificial intelligence (AI) devices
US-12588217-B2 · Mar 24, 2026 · US
Memory cell with a variable element and a phase change memory
US-12557564-B2 · Feb 17, 2026 · US
Magnetic tunnel junction device
US-12557556-B2 · Feb 17, 2026 · US
Antenna assisted ReRAM formation
US-12402544-B2 · Aug 26, 2025 · US
Phase change memory programming current leakage reduction
US-12329045-B2 · Jun 10, 2025 · US
Proximity heater to lower RRAM forming voltage
US-12324365-B2 · Jun 3, 2025 · US
Uniform voltage drop in arrays of memory devices
US-12317764-B2 · May 27, 2025 · US
Phase change memory gaps
US-12310263-B2 · May 20, 2025 · US
Phase change memory using multiple phase change layers and multiple heat conductors
US-12310264-B2 · May 20, 2025 · US
Recent patents
Latest publications not already listed above.
Phase change memory cell with double active volume
US-12250889-B2 · Mar 11, 2025 · US
Vertical field effect transistor with low-resistance bottom source-drain contact
US-12183826-B2 · Dec 31, 2024 · US
Heater for phase change material memory cell
US-12150393-B2 · Nov 19, 2024 · US
Back end of line embedded RRAM structure with low forming voltage
US-12144271-B2 · Nov 12, 2024 · US
Back end of line embedded RRAM structure with grain growth enhancement
US-12144270-B2 · Nov 12, 2024 · US
Vertical magnetic tunnel junction device
US-2024237544-A1 · Jul 11, 2024 · US
Memory cell with a variable element and a phase change memory
US-2024215462-A1 · Jun 27, 2024 · US
Wrap-around projection liner for AI device
US-12010930-B2 · Jun 11, 2024 · US
Proximity heater to lower rram forming voltage
US-2024188455-A1 · Jun 6, 2024 · US
Confined bridge cell phase change memory
US-11980111-B2 · May 7, 2024 · US
Magnetic tunnel junction device
US-2024130243-A1 · Apr 18, 2024 · US
Contact resistance of a metal liner in a phase change memory cell
US-11957069-B2 · Apr 9, 2024 · US
Heater for phase change material memory cell
US-2024114807-A1 · Apr 4, 2024 · US
Phase change memory cell spacer
US-11930724-B2 · Mar 12, 2024 · US
Phase change multilayer heterostructure with multiple heaters
US-2024081159-A1 · Mar 7, 2024 · US
Self-aligned patterned projection liner for sidewall electrode pcm
US-2024074336-A1 · Feb 29, 2024 · US
Multi-layer phase change memory device
US-11889773-B2 · Jan 30, 2024 · US
Vertical ultra-thin pcm cell
US-2024008374-A1 · Jan 4, 2024 · US
Phase change memory cell galvanic corrosion prevention
US-11800817-B2 · Oct 24, 2023 · US
Antenna assisted reram formation
US-2023309421-A1 · Sep 28, 2023 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| IBM | 294 |
| Globalfoundries Inc | 11 |
| Elpis Tech Inc | 3 |
| Tessera Inc | 3 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| H10D84/038 | 141 |
| H10N70/826 | 80 |
| H10N70/231 | 78 |
| H10D64/017 | 68 |
| H10W20/069 | 63 |