Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4340361 | Apparatus for heat-treating cast iron pipes | Yoshio Tanaka, Akinori Sakoda | 1982-07-20 |
ST
Susumu Togawa
Overall (All Time): #4,072,986 of 4,157,543Top 100%
1
Patents All Time