Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4841425 | High-voltage power supply apparatus | Kiyoteru Igashira | 1989-06-20 |
| 4819145 | Direct current power unit | — | 1989-04-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4841425 | High-voltage power supply apparatus | Kiyoteru Igashira | 1989-06-20 |
| 4819145 | Direct current power unit | — | 1989-04-04 |