Carbon fiber precursor fiber, fiber for carbon fiber precursor fiber, method of producing carbon fiber precursor fiber, method of producing stabilized fiber, and method of producing carbon fiber
US-12503795-B2 · Dec 23, 2025 · US
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Sakakura Natsu patents
Sakakura Natsu is listed as an inventor on 4 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Sakakura Natsu |
| Total patents | 4 |
| First publication | Apr 27, 2023 |
| Latest publication | Dec 23, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Carbon fiber and method of producing carbon fiber
US-2025250721-A1 · Aug 7, 2025 · US
Carbon fiber precursor, method of producing carbon fiber precursor, method of producing stabilized fiber, and method of producing carbon fiber
US-2023129865-A1 · Apr 27, 2023 · US
Carbon fiber precursor fiber, fiber for carbon fiber precursor fiber, method of producing carbon fiber precursor fiber, method of producing stabilized fiber, and method of producing carbon fiber
US-2023126217-A1 · Apr 27, 2023 · US
Recent patents
Latest publications not already listed above.
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Toyota Chuo Kenkyusho Kk | 4 |
| Toyota Motor Co Ltd | 4 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| D01F9/21 | 4 |
| D01F6/28 | 3 |
| C01B32/05 | 3 |
| D01F6/38 | 2 |
| D06M2101/26 | 2 |