Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6489027 | High purity carbon fiber reinforced carbon composites and manufacturing apparatus for use thereof | Toshiaki Sogabe, Toshiharu Hiraoka, Masatoshi Yamaji, Naoto Ohta | 2002-12-03 |
| 6399203 | Pyrolytic carbon coated carbon fiber reinforced carbon composite and useful as components for pulling single crystal apparatus | Naoto Ohta, Toshiaki Sogabe, Masatoshi Yamaji | 2002-06-04 |