Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4800355 | Electromagnet having magnetic shield | Moriaki Takechi, Tsugio Watanabe | 1989-01-24 |
SK
Shigenori Kuroda
Overall (1989): #57,483 of 140,708Top 45%
1
Patents 1989