Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5635828 | Active filter circuit and power supply apparatus including same | Yoshihito Yoshizawa, Tooru Abe, Shunsuke Arakawa | 1997-06-03 |
| 5623171 | High-voltage pulse generating circuit and electrostatic recipitator containing it | — | 1997-04-22 |
| 5611871 | Method of producing nanocrystalline alloy having high permeability | Yoshihito Yoshizawa, Yoshio Bizen, Shunsuke Arakawa | 1997-03-18 |