Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10658855 | Transformer less battery charger system | Tetsuo Sato, Shigeru Maeta, Toshio Kimura, Akira Negishi, Gary S. Jacobson | 2020-05-19 |
| 9843206 | Transformer less battery charger system | Tetsuo Sato, Shigeru Maeta, Toshio Kimura, Akira Negishi, Gary S. Jacobson | 2017-12-12 |
| 7780887 | Golf ball and die for molding the same | Katsunori Sato | 2010-08-24 |
| 6831509 | Switching amplification apparatus | — | 2004-12-14 |
| 6784648 | DC stabilized power supply | Hideyuki Ono | 2004-08-31 |
| 6653960 | Stabilized power supply using delta sigma modulator | Hideyuki Ono | 2003-11-25 |
| 6650099 | Switching power supply | Hideyuki Ono | 2003-11-18 |
| 6621257 | DC-DC converter | Hideyuki Ono | 2003-09-16 |