Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877397 | Plant for manufacturing cement clinker | June Tatebayashi, Tomoaki Takada, Kimitaka Hayashi | 1989-10-31 |
CK
Chikanori Kumagai
Overall (1989): #126,185 of 140,708Top 90%
1
Patents 1989