Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7202410 | Photovoltaic module having light receptive, glass laminate structure and photovoltaic module having light receptive, multi-layer structure | Akimasa Umemoto, Hiroyuki Yoda | 2007-04-10 |
| 6747203 | Photovoltaic module | Yukio Fukuda, Akimasa Umemoto | 2004-06-08 |
| 4714868 | Charging and discharging control circuit for a storage battery | Toshio Maruyama, Yukihiko Nakata | 1987-12-22 |