Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D380193 | Inverter | Kumiko Ikeda, Wataru Suematsu, Masatake Yoshihara | 1997-06-24 |
| D379963 | Inverter | Kumiko Ikeda, Wataru Suematsu, Masatake Yoshihara | 1997-06-17 |
| D376785 | Inverter | Kumiko Ikeda, Wataru Suematsu, Masatake Yoshihara, Tomoyasu Hachiro | 1996-12-24 |