Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7690258 | Buried pipe examining method | Takushi Minagi, Hiroshi Iida, Toshiro Kamada | 2010-04-06 |
| 7273504 | Battery and a method of manufacturing same | Tatsuya Nagai | 2007-09-25 |