Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5075546 | Magnetic field measurement apparatus | Osamu Kamada, Hisashi Minemoto, Daisuke Ishiko, Satoshi Ishizuka, Akihiro Miura | 1991-12-24 |
| 4999571 | Current and/or voltage detector for a distribution system | Daisuke Ishiko, Osamu Kamada, Akihiro Miura | 1991-03-12 |