Patent Application
Utility
App. No. 18/482,105
· Confirmation No. 9987
GATE TRENCH POWER SEMICONDUCTOR DEVICES HAVING SHAPED DEEP SUPPORT SHIELDS THAT REDUCE CELL PITCH AND ON-STATE RESISTANCE
Applicant:
Wolfspeed, Inc.
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| 2026-07-29 | N417 |
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| 2026-07-29 | N417.PYMT |
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| 2026-05-15 | NOA |
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| 2026-05-15 | IIFW |
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| 2026-05-04 | NOA |
Notice of Allowance and Fees Due (PTOL-85) | 9 | View | |
| 2026-05-04 | SRFW |
Search information including classification, databases and other search related notes | 2 | View | |
| 2026-05-04 | IIFW |
Issue Information including classification, examiner, name, claim, renumbering, etc. | 3 | View | |
| 2026-05-04 | 1449 |
List of References cited by applicant and considered by examiner | 5 | View | |
| 2026-05-04 | BIB |
Bibliographic Data Sheet | 1 | View | |
| 2026-04-20 | FOR |
Foreign Reference | 15 | View | |
| 2026-04-20 | N417 |
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| 2026-04-20 | IDS |
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| 2026-04-17 | A... |
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| 2026-04-17 | CLM |
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| 2026-04-17 | REM |
Applicant Arguments/Remarks Made in an Amendment | 5 | View | |
| 2026-04-17 | A... |
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| 2026-04-17 | N417 |
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| 2026-04-17 | N417.PYMT |
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| 2026-04-17 | WFEE |
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| 2026-02-04 | CTNF |
Non-Final Rejection | 10 | View | |
| 2026-02-04 | 892 |
List of references cited by examiner | 1 | View | |
| 2026-02-04 | FWCLM |
Index of Claims | 2 | View | |
| 2026-02-04 | SRFW |
Search information including classification, databases and other search related notes | 1 | View | |
| 2026-02-04 | 1449 |
List of References cited by applicant and considered by examiner | 4 | View | |
| 2026-02-04 | 1449 |
List of References cited by applicant and considered by examiner | 4 | View | |
| 2026-02-04 | SRNT |
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| 2026-02-04 | 1449 |
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| 2026-02-04 | BIB |
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Foreign Reference | 33 | View | |
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| 2024-12-11 | FOR |
Foreign Reference | 59 | View | |
| 2024-12-11 | FOR |
Foreign Reference | 43 | View | |
| 2024-12-11 | IDS |
Information Disclosure Statement (IDS) Form (SB08) | 4 | View | |
| 2024-12-11 | N417 |
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| 2024-07-18 | N570 |
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| 2024-07-11 | N417 |
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Power of Attorney | 1 | View | |
| 2024-07-11 | R3.73 |
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| 2023-10-24 | APP.FILE.REC |
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| 2023-10-24 | WFEE |
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| 2023-10-24 | WELCOME.LET |
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| 2023-10-06 | APP.TEXT |
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| 2023-10-06 | A.PE |
Preliminary Amendment | — | View | |
| 2023-10-06 | N417 |
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| 2023-10-06 | ADS |
Application Data Sheet | 9 | View | |
| 2023-10-06 | OATH |
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| 2023-10-06 | TRNA |
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| 2023-10-06 | DRW |
Drawings-only black and white line drawings | 13 | View | |
| 2023-10-06 | IDS |
Information Disclosure Statement (IDS) Form (SB08) | 4 | View | |
| 2023-10-06 | A.PE |
Preliminary Amendment | 1 | View | |
| 2023-10-06 | CLM |
Claims | 5 | View | |
| 2023-10-06 | REM |
Applicant Arguments/Remarks Made in an Amendment | 1 | View | |
| 2023-10-06 | SPEC |
Specification | 42 | View | |
| 2023-10-06 | CLM |
Claims | 8 | View | |
| 2023-10-06 | ABST |
Abstract | 1 | View | |
| 2023-10-06 | N417.PYMT |
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Inventors
Madankumar Sampath
Morrisville, NC
Woongsun Kim
Cary, NC
Naeem Islam
Morrisville, NC
Sei-Hyung Ryu
Cary, NC
Attorneys & Agents of Record
Classification
USPC
257/330
H10D30/668
H10D62/393
H10D62/405
H10D62/106
H10D12/481
H10D62/107
H10D62/105
H10D62/8325
H10D30/0297
H10D12/031
Prosecution
- Examiner
- YUSHIN, NIKOLAY K
- Art Unit
- 2893
- Customer No.
- 65106
- Docket No.
- 5308.3457
- Confirmation No.
- 9987
Publication
- Pub. No.
- US20250120119A1
- Pub. Date
- 2025-04-10
from
WOLFSPEED, INC.
NOTICE OF GRANT OF SECURITY INTEREST IN INTELLECTUAL PROPERTY
Recorded 2026-03-26
RELEASE OF SECURITY INTEREST IN INTELLECTUAL PROPERTY COLLATERAL AT REEL/FRAME NO. 69180/0437
Recorded 2025-09-30
from
WOLFSPEED, INC.
NOTICE OF GRANT OF SECURITY INTEREST IN INTELLECTUAL PROPERTY
Recorded 2025-09-30
from
WOLFSPEED, INC.
NOTICE OF GRANT OF SECURITY INTEREST IN INTELLECTUAL PROPERTY
Recorded 2025-09-30
from
WOLFSPEED, INC.
NOTICE OF GRANT OF SECURITY INTEREST IN INTELLECTUAL PROPERTY
Recorded 2025-09-30
from
WOLFSPEED, INC.
NOTICE OF GRANT OF SECURITY INTEREST IN INTELLECTUAL PROPERTY
Recorded 2025-09-30
from
WOLFSPEED, INC.
SECURITY INTEREST
Recorded 2024-10-17
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2023-10-24
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Quick Facts
- App. No.
- 18/482,105
- Filed
- 2023-10-06
- Pub. No.
- US20250120119A1
- Examiner
- YUSHIN, NIKOLAY K
- Art Unit
- 2893
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