Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7035121 | Switching power supply apparatus | — | 2006-04-25 |
| 6525947 | Power supply apparatus and power supply system | Masayoshi Sasaki | 2003-02-25 |
| 6229723 | Power unit and power supply system with a comparison circuit for a reverse flow preventative diode | Masato Ishigaki | 2001-05-08 |
| 6005371 | Charging apparatus | — | 1999-12-21 |
| 5923149 | Charging apparatus | — | 1999-07-13 |
| 5923150 | Charging apparatus | — | 1999-07-13 |
| 5440220 | Battery discharge control circuit | Syojiro Sato, Masayoshi Sasaki | 1995-08-08 |
| 5408170 | Device for charging a secondary battery having interrupt means to prevent overcharging | Masayoshi Sasaki, Syojiro Sato | 1995-04-18 |
| 5172044 | Multi-rate constant voltage battery charger with display | Masayoshi Sasaki, Tsugio Sameshima | 1992-12-15 |