Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8551803 | Solar battery module manufacturing method | Masaru Akiyama, Keizo Masada | 2013-10-08 |
| 7915518 | Solar battery module manufacturing method | Masaru Akiyama, Keizo Masada | 2011-03-29 |