Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5417018 | Construction apparatus for building and constructing method therewith | Takeji Matsumoto, Mitoku Mukaidani, Yasuyuki Hashimoto, Motoetsu Ishii, Hiroshi Kondoh +9 more | 1995-05-23 |
| 5255489 | Construction apparatus for buildings and constructing method therewith | Takeji Matsumoto, Mitoku Mukaidani, Yasuyuki Hashimoto, Motoetsu Ishii, Hiroshi Kondoh +9 more | 1993-10-26 |
| 5117594 | Openable roof apparatus | Shuji Okuda, Kenichi Sugizaki, Toshihiko Hirama, Hajime Nakajima | 1992-06-02 |
| 5063730 | Openable roof apparatus | Kenichi Sugizaki | 1991-11-12 |