Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814305 | Method for regeneration of oxidation catalyst | Masaaki Kato | 1989-03-21 |
MK
Masatake Kamogawa
Overall (1989): #80,777 of 140,708Top 60%
1
Patents 1989