Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877397 | Plant for manufacturing cement clinker | Tomoaki Takada, Kimitaka Hayashi, Chikanori Kumagai | 1989-10-31 |
JT
June Tatebayashi
Overall (1989): #91,363 of 140,708Top 65%
1
Patents 1989