Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6077463 | Process for producing graphite material for negative electrode used in lithium secondary battery | Yasuyuki Takai, Mikio Watanabe | 2000-06-20 |
| 5254396 | Carbon fiber structure and process for producing the same | Akio Takamatsu, Yoshiyuki Nishimura | 1993-10-19 |