Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5117594 | Openable roof apparatus | Hiroki Muramoto, Kenichi Sugizaki, Toshihiko Hirama, Hajime Nakajima | 1992-06-02 |
| 4697397 | Trussed girder, roof framing using the trussed girder and method of constructing the roof framing of a building using the trussed girder | Hideo Shimomura, Kusuo Honda, Masato Kawaguchi, Yasuo Kuno, Takenori Kumagai +1 more | 1987-10-06 |