Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6611187 | Magnetic core, coil assembly and power supply circuit using the same | Hatsuo Matsumoto, Teruhiko Fujiwara, Toru Ito, Takao Yamada, Masahiro Kondo | 2003-08-26 |
| 4481431 | Circuit for driving a switching transistor | Shigeru Kondo | 1984-11-06 |
| 4449173 | Multi-output-type power supply devices using separately-exciting-type switching regulators | Shigeru Kondo | 1984-05-15 |
| 4420804 | Switching regulator with base charge removal circuit | — | 1983-12-13 |