Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6219965 | Plant growth sheet structure, natural turf sheet structure, method of growing turf and method of laying turf sheet structure | Yoshio Ishikawa, Hiroaki Fukumoto, Toshimasa Hirasawa, Akira Taga, Kaoru Yamada | 2001-04-24 |