Non-oriented electrical steel plate and manufacturing method therefor
US-2026015699-A1 · Jan 15, 2026 · US
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Li Guobao patents
Li Guobao is listed as an inventor on 35 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Li Guobao |
| Total patents | 35 |
| First publication | May 26, 2015 |
| Latest publication | Jan 15, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
600 MPa grade non-oriented electrical steel sheet and manufacturing method thereof
US-12480174-B2 · Nov 25, 2025 · US
Cu-containing non-oriented electrical steel sheet and manufacturing method therefor
US-12378623-B2 · Aug 5, 2025 · US
Non-oriented electrical steel plate with good magnetic performance and manufacturing method therefor
US-2025109466-A1 · Apr 3, 2025 · US
A coating for grain-oriented silicon steel coating layer, and grain-oriented silicon steel sheet and manufacturing method therefor
US-2025066922-A1 · Feb 27, 2025 · US
Environmentally friendly insulating coating with mild bonding property for silicon steel, silicon steel plate and manufacturing method therefor
US-2025002730-A1 · Jan 2, 2025 · US
Induction heating system and method for silicon steel core with self-adhesive coating
US-11968766-B2 · Apr 23, 2024 · US
Low-Magnetostrictive Oriented Silicon Steel and Manufacturing Method Therefor
US-2024071661-A1 · Feb 29, 2024 · US
Cu-containing non-oriented electrical steel sheet and manufacturing method therefor
US-2024011112-A1 · Jan 11, 2024 · US
Non-oriented electrical steel plate and manufacturing method therefor
US-2023416883-A1 · Dec 28, 2023 · US
Recent patents
Latest publications not already listed above.
Low-Cost Non-Oriented Electrical Steel Plate With Extremely Low Aluminum Content and Manufacturing Method Therefor
US-2023203613-A1 · Jun 29, 2023 · US
Grain-oriented silicon steel with low core loss and manufacturing method therefore
US-11638971-B2 · May 2, 2023 · US
Silicon steel product with low iron loss for low-noise transformer, and manufacturing method thereof
US-11633808-B2 · Apr 25, 2023 · US
Manufacturing method for high silicon grain oriented electrical steel sheet
US-11608541-B2 · Mar 21, 2023 · US
Non-oriented electrical steel sheet and manufacturing method therefor
US-2022333226-A1 · Oct 20, 2022 · US
Method for manufacturing stress-relief-annealing-resistant, low-iron-loss grain-oriented silicon steel
US-11459634-B2 · Oct 4, 2022 · US
High-magnetic-induction oriented silicon steel and manufacturing method therefor
US-2022275470-A1 · Sep 1, 2022 · US
600 mpa grade non-oriented electrical steel sheet and manufacturing method thereof
US-2022275472-A1 · Sep 1, 2022 · US
Apparatus and method for rapidly heating cold-rolled strip steel
US-11352680-B2 · Jun 7, 2022 · US
Laser-scribed grain-oriented silicon steel resistant to stress-relief annealing and manufacturing method therefor
US-11355275-B2 · Jun 7, 2022 · US
Induction heating system and method for silicon steel core with self- adhesive coating
US-2021227646-A1 · Jul 22, 2021 · US
Grain-oriented silicon steel with low core loss and manufacturing method therefore
US-2021101230-A1 · Apr 8, 2021 · US
Manufacturing method for high silicon grain oriented electrical steel sheet
US-2021047706-A1 · Feb 18, 2021 · US
Method for manufacturing stress-relief-annealing-resistant, low-iron-loss grain-oriented silicon steel
US-2020362433-A1 · Nov 19, 2020 · US
Apparatus and method for rapidly heating cold-rolled strip steel
US-2020291501-A1 · Sep 17, 2020 · US
Laser-scribed grain-oriented silicon steel resistant to stress-relief annealing and manufacturing method therefor
US-2020058434-A1 · Feb 20, 2020 · US
Oriented silicon steel and method for manufacturing same
US-10566119-B2 · Feb 18, 2020 · US
Silicon steel product with low iron loss for low-noise transformer, and manufacturing method thereof
US-2019255657-A1 · Aug 22, 2019 · US
High magnetic induction oriented silicon steel and manufacturing method thereof
US-10236105-B2 · Mar 19, 2019 · US
Manufacturing method of common grain-oriented silicon steel with high magnetic induction
US-9905361-B2 · Feb 27, 2018 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Baoshan Iron & Steel | 35 |
| Li Guobao | 3 |
| Jin Weizhong | 2 |
| Shen Kanyi | 2 |
| Wu Meihong | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C22C38/02 | 26 |
| C21D8/1233 | 25 |
| C22C38/06 | 25 |
| C22C38/04 | 25 |
| C21D8/1222 | 24 |