Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4340361 | Apparatus for heat-treating cast iron pipes | Yoshio Tanaka, Susumu Togawa | 1982-07-20 |
AS
Akinori Sakoda
Overall (1982): #77,526 of 81,411Top 100%
1
Patents 1982