Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12241181 | Carbon fiber bundle and production method thereof | Ayanobu Horinouchi, Fumitaka Watanabe | 2025-03-04 |
| 11932971 | Method of producing precursor fiber for carbon fiber and carbon fiber | Ayanobu Horinouchi, Fumitaka Watanabe | 2024-03-19 |
| 9435057 | Sizing agent-coated carbon fiber bundle, carbon fiber bundle production method, and prepreg | Jun Watanabe, Fumihiko Tanaka, Haruki Okuda, Kengo Hayashida, Masafumi Ise +2 more | 2016-09-06 |
| 8822029 | Polyacrylonitrile polymer, method of producing the same, method of producing precursor fiber used for producing carbon fiber, carbon fiber and method of producing the same | Fumihiko Tanaka, Makoto Endo | 2014-09-02 |