Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4331627 | Alumina sintered products and process for their production | Yoshihiro Yamamoto, Hiroshi Tanaka | 1982-05-25 |
KS
Kenji Sakurai
Overall (1982): #48,586 of 81,411Top 60%
1
Patents 1982