Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10923962 | Power transmission device non-contact power feeding system with detection circuit to detect current amplitude in transmission-side coil | Yoshihiro Ikefuji, Kimitake Utsunomiya | 2021-02-16 |
| 10778046 | Power transmitting device and non-contact power feeding system | Yoshihiro Ikefuji | 2020-09-15 |
| 7839224 | Oscillator with a stable oscillating frequency | Hideki Nishiyama, Takeshi Kuga, Yoshiro Fujii | 2010-11-23 |