Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4283369 | Apparatus for making pitch fiber infusible | Hisatsugu Kaji, Iwawo Kameyama, Tamotsu Miyamori | 1981-08-11 |
| 4265869 | Method of and apparatus for making pitch fiber infusible | Hisatsugu Kaji, Iwawo Kameyama, Tamotsu Miyamori | 1981-05-05 |