Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5761858 | Permanent form for placing basement concrete wall | Michio Watanabe, Kasutaka Takada, Hiromasa Kawamura, Shunji Horinaka, Ryoichi Takesako +1 more | 1998-06-09 |
| 5623793 | Permanent form for placing basement concrete wall | Junsuke Kyomen, Masayuki Sakaguchi, Michio Watanabe, Kazutaka Takada, Hiromasa Kawamura +3 more | 1997-04-29 |