Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7956497 | Electret device and electrostatic induction conversion apparatus comprising the same | Yoshiki Murayama, Naoteru Matsubara | 2011-06-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7956497 | Electret device and electrostatic induction conversion apparatus comprising the same | Yoshiki Murayama, Naoteru Matsubara | 2011-06-07 |