Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5679937 | Switching device | — | 1997-10-21 |
| 5680302 | AC output control apparatus | Michihisa Murasato, Kenichi TANIGAWA, Sadaharu Tamoto | 1997-10-21 |
| 5621649 | Method for analyzing electromagnetic field | Hosei Hirano, Takatsugu Ueyama, Kenji Umetsu | 1997-04-15 |