Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4816981 | Direct current magnetic polarization component compensation circuit for constant voltage/frequency power supply apparatus | Akinori Nishihiro, Ikutaro Hanaka | 1989-03-28 |
| 4739464 | Direct current magnetic polarization component compensation circuit for constant voltage/frequency power supply apparatus | Akinori Nishihiro, Ikutaro Hanaka | 1988-04-19 |
| 4707774 | Flywheel power source apparatus | — | 1987-11-17 |