Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5612581 | Power supply apparatus with a back-up power unit | — | 1997-03-18 |
HK
Hironobu Kageyama
Overall (1997): #142,003 of 185,788Top 80%
1
Patents 1997