Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5293727 | Plate roofing material | Kazuhiro Sakamoto, Tadashi Akiyama, Hirofumi Takai, Tomomi Nagano, Mitsuji Hashimoto +1 more | 1994-03-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5293727 | Plate roofing material | Kazuhiro Sakamoto, Tadashi Akiyama, Hirofumi Takai, Tomomi Nagano, Mitsuji Hashimoto +1 more | 1994-03-15 |