Memory device
US-10360976-B2 · Jul 23, 2019 · US
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Katayama Akira patents
Katayama Akira is listed as an inventor on 18 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Katayama Akira |
| Total patents | 18 |
| First publication | Mar 12, 2015 |
| Latest publication | Jul 23, 2019 |
Notable patents
Publications ranked by popularity score, then publication date.
Memory device
US-2018204615-A1 · Jul 19, 2018 · US
Memory device
US-9953707-B2 · Apr 24, 2018 · US
Semiconductor memory device
US-9899082-B2 · Feb 20, 2018 · US
Memory device
US-9824736-B1 · Nov 21, 2017 · US
Redundancy memory device comprising a plurality of selecting circuits
US-9767863-B2 · Sep 19, 2017 · US
Semiconductor storage device
US-9761293-B2 · Sep 12, 2017 · US
Semiconductor memory device
US-2017256313-A1 · Sep 7, 2017 · US
Resistance change memory
US-9741434-B2 · Aug 22, 2017 · US
Memory device
US-2017076759-A1 · Mar 16, 2017 · US
Recent patents
Latest publications not already listed above.
Magnetic storage device
US-9576632-B2 · Feb 21, 2017 · US
Semiconductor storage device
US-2017047103-A1 · Feb 16, 2017 · US
Memory device
US-2016379708-A1 · Dec 29, 2016 · US
Semiconductor storage device
US-9508413-B2 · Nov 29, 2016 · US
Resistance change memory
US-9484091-B2 · Nov 1, 2016 · US
Semiconductor storage device
US-2016086647-A1 · Mar 24, 2016 · US
Semiconductor storage device
US-9230629-B2 · Jan 5, 2016 · US
Semiconductor storage device
US-2015070961-A1 · Mar 12, 2015 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Toshiba Kk | 12 |
| Toshiba Memory Corp | 7 |
| Katayama Akira | 3 |
| Takahashi Masahiro | 2 |
| Kim Dong Keun | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| G11C11/1673 | 18 |
| G11C13/004 | 17 |
| G11C2213/79 | 14 |
| G11C11/161 | 14 |
| G11C11/1659 | 11 |