Semiconductor device
US-12550419-B2 · Feb 10, 2026 · US
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Itokazu Hiroko patents
Itokazu Hiroko is listed as an inventor on 50 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Itokazu Hiroko |
| Total patents | 50 |
| First publication | Sep 23, 2021 |
| Latest publication | Feb 10, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Semiconductor device having semiconductor regions of alternating conductivity types, one of which has a peak in impurity concentration located between gate electrodes of the semiconductor device
US-12538535-B2 · Jan 27, 2026 · US
Semiconductor device having first and second regions extending in different directions in termination region and manufacturing method thereof
US-12532491-B2 · Jan 20, 2026 · US
Semiconductor device and semiconductor circuit
US-2026013163-A1 · Jan 8, 2026 · US
Semiconductor device and method for manufacturing same
US-2025324709-A1 · Oct 16, 2025 · US
Semiconductor device
US-2025318165-A1 · Oct 9, 2025 · US
Semiconductor device
US-2025280551-A1 · Sep 4, 2025 · US
Semiconductor device and semiconductor circuit
US-12382648-B2 · Aug 5, 2025 · US
Semiconductor device and semiconductor circuit
US-2025248112-A1 · Jul 31, 2025 · US
Semiconductor device
US-12363929-B2 · Jul 15, 2025 · US
Recent patents
Latest publications not already listed above.
Semiconductor device
US-12336267-B2 · Jun 17, 2025 · US
Semiconductor device
US-12317581-B2 · May 27, 2025 · US
Semiconductor device and semiconductor circuit
US-12300695-B2 · May 13, 2025 · US
Semiconductor device
US-12278263-B2 · Apr 15, 2025 · US
Semiconductor device
US-12183782-B2 · Dec 31, 2024 · US
Semiconductor device
US-2024371862-A1 · Nov 7, 2024 · US
Semiconductor device and semiconductor circuit
US-12087850-B2 · Sep 10, 2024 · US
Semiconductor device
US-12068311-B2 · Aug 20, 2024 · US
Semiconductor device and semiconductor circuit
US-2024258413-A1 · Aug 1, 2024 · US
Semiconductor device and semiconductor circuit
US-11984495-B2 · May 14, 2024 · US
Semiconductor device and manufacturing method thereof
US-2024105820-A1 · Mar 28, 2024 · US
Semiconductor device
US-2024097012-A1 · Mar 21, 2024 · US
Semiconductor device
US-2024072111-A1 · Feb 29, 2024 · US
Semiconductor device and method for manufacturing the same
US-2024063264-A1 · Feb 22, 2024 · US
Semiconductor device and method for controlling semiconductor device
US-11908925-B2 · Feb 20, 2024 · US
Semiconductor device
US-11862677-B2 · Jan 2, 2024 · US
Semiconductor device
US-11830790-B2 · Nov 28, 2023 · US
Semiconductor device
US-2023307555-A1 · Sep 28, 2023 · US
Semiconductor device
US-2023299076-A1 · Sep 21, 2023 · US
Semiconductor device
US-11721750-B2 · Aug 8, 2023 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Toshiba Kk | 50 |
| Toshiba Electronic Devices & Storage Corp | 49 |
| Toshiba Electronics Devices & Storage Corp | 1 |
| Toshiba Electonic Devices & Storage Corp | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| H10D12/481 | 50 |
| H01L29/7397 | 38 |
| H10D62/127 | 27 |
| H10D64/117 | 24 |
| H10D62/393 | 21 |