Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839315 | Process for the production of ceramic materials having heat and wear resistance | Tatsuji Kinukawa | 1989-06-13 |
JS
Junichiro Suzuki
Overall (1989): #91,380 of 140,708Top 65%
1
Patents 1989