Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11834758 | Carbon fiber bundle and production method therefor | Haruki Okuda, Jun Watanabe | 2023-12-05 |
| 11760861 | Carbon fiber bundle, manufacturing method therefor, prepreg, and carbon fiber-reinforced composite material | Haruki Okuda, Naohiro Matsumoto, Yuki Sada | 2023-09-19 |
| 11313054 | Carbon fiber bundle | Naohiro Matsumoto, Takaaki Yamashita | 2022-04-26 |
| 11286583 | Carbon fiber bundle and method of manufacturing same | Haruki Okuda, Tomohisa Noguchi, Yusuke Hiraike | 2022-03-29 |
| 11105022 | Carbon fiber bundle and stabilized fiber bundle | Haruki Okuda, Takayuki YOMO | 2021-08-31 |
| 10260172 | Carbon fibers, and production method therefor | Jun Watanabe, Takaaki Yamashita | 2019-04-16 |
| 10023979 | Bundle of carbon fibers and method of manufacturing the same | Naohiro Matsumoto, Jun Watanabe, Haruki Okuda | 2018-07-17 |
| 9435057 | Sizing agent-coated carbon fiber bundle, carbon fiber bundle production method, and prepreg | Jun Watanabe, Haruki Okuda, Yuuki Okishima, 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 | Makoto Endo, Yuuki Okishima | 2014-09-02 |
| 8674045 | Carbon-fiber precursor fiber, carbon fiber, and processes for producing these | Makoto Endo | 2014-03-18 |