Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837416 | Cut wire for electrical discharge machining | Yoshimitsu Aoki | 1989-06-06 |
| 4810593 | High-strength conductors and process for manufacturing same | Akinori Mori | 1989-03-07 |
SY
Susumu Yamamoto
Overall (1989): #15,234 of 140,708Top 15%
2
Patents 1989