Electronic devices comprising a stepped pillar region, and related methods
US-2024074184-A1 · Feb 29, 2024 · US
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Ishigaki Hirokazu patents
Ishigaki Hirokazu is listed as an inventor on 17 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Ishigaki Hirokazu |
| Total patents | 17 |
| First publication | Sep 17, 2015 |
| Latest publication | Feb 29, 2024 |
Notable patents
Publications ranked by popularity score, then publication date.
Semiconductor memory device
US-11309322-B2 · Apr 19, 2022 · US
Semiconductor memory device
US-2020303393-A1 · Sep 24, 2020 · US
Semiconductor device including a blocking layer having a varying thickness
US-10658376-B2 · May 19, 2020 · US
Three-dimensional semiconductor memory device and method for manufacturing the same
US-10269821-B2 · Apr 23, 2019 · US
Semiconductor memory device and method of manufacturing the same
US-10263008-B2 · Apr 16, 2019 · US
Semiconductor device and method for manufacturing same
US-10181477-B2 · Jan 15, 2019 · US
Semiconductor device and method for manufacturing the same
US-2018294279-A1 · Oct 11, 2018 · US
Nonvolatile semiconductor memory device and method of manufacturing the same
US-9786678-B2 · Oct 10, 2017 · US
Semiconductor device and method for manufacturing same
US-2017263633-A1 · Sep 14, 2017 · US
Recent patents
Latest publications not already listed above.
Semiconductor memory device and method for manufacturing the same
US-2017062451-A1 · Mar 2, 2017 · US
Semiconductor memory device and method of manufacturing the same
US-2017018565-A1 · Jan 19, 2017 · US
Nonvolatile semiconductor memory device and method of manufacturing the same
US-2016079269-A1 · Mar 17, 2016 · US
Nonvolatile semiconductor storage device and method of manufacturing the same
US-2016079068-A1 · Mar 17, 2016 · US
Semiconductor memory device
US-9240416-B2 · Jan 19, 2016 · US
Semiconductor memory device
US-2015364485-A1 · Dec 17, 2015 · US
Semiconductor memory device and manufacturing method of the same
US-2015263034-A1 · Sep 17, 2015 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Toshiba Kk | 8 |
| Toshiba Memory Corp | 7 |
| Kioxia Corp | 1 |
| Micron Technology Inc | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| H10B43/27 | 17 |
| H01L27/11582 | 12 |
| H10B43/35 | 10 |
| H01L21/0217 | 7 |
| H01L27/1157 | 7 |