Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7958678 | Building covered with resin films | — | 2011-06-14 |
| 7240458 | Transparent plastic film roof and building using the same | — | 2007-07-10 |
| 5771630 | Agricultural covering material | Isamu Harasawa, Yasuaki Oonishi | 1998-06-30 |