Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6437998 | Rectifying circuit and control method therefor | Kazuaki Mino | 2002-08-20 |
| 6326773 | Power conversion apparatus | Yasuhiro Okuma, Hiroshi Yamamoto | 2001-12-04 |
| 6104104 | Uninterruptible power supply apparatus | — | 2000-08-15 |
| 5892675 | AC current source circuit for converting DC voltage into AC current | Makoto YATSU | 1999-04-06 |
| 5747887 | Multi-function electric power conversion system | Toshiyuki Takanaga, Yasuo Taguchi, Seiji Sadayoshi, Mikio Kato | 1998-05-05 |
| 4639823 | Control circuit for switching transistors | — | 1987-01-27 |
| 4617621 | Inverters with reduced distributed inductance | — | 1986-10-14 |
| 4551635 | Circuit for driving the base of a transistor | — | 1985-11-05 |
| 4540945 | Variable-frequency oscillation circuit | — | 1985-09-10 |
| 4489279 | Variable-frequency oscillator having a crystal oscillator | — | 1984-12-18 |