Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4621248 | Amorphous cut core | Masao Shigeta, Shotatsu Sugenoya | 1986-11-04 |
TC
Tsutomu Cho
Overall (All Time): #4,004,509 of 4,157,543Top 100%
1
Patents All Time