Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850836 | Melt spinning apparatus | Naoyuki Maeda, Akira Nii, Shunichi Yamamoto | 1989-07-25 |
| 4849200 | Process for fabricating carbon/carbon composite | Yoshio Sohda, Yasuji Ido, Shunichi Yamamoto | 1989-07-18 |