Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847173 | Electrode for fuel cell | Hideaki Miyoshi | 1989-07-11 |
TM
Tatsuo Mitsunaga
Overall (1989): #52,946 of 140,708Top 40%
1
Patents 1989