Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888672 | Starting circuit of self-excited inverter | Rihei Hiramatsu, Kazushi Watanabe, Shinzo Takeishi | 1989-12-19 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888672 | Starting circuit of self-excited inverter | Rihei Hiramatsu, Kazushi Watanabe, Shinzo Takeishi | 1989-12-19 |