Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7568676 | Form panel for placing concrete | Senichi Takagi, Toshihiko Hosono, Toshiya Tanaka, Morihisa Otsuka, Michihiro Miyagoshi +1 more | 2009-08-04 |
| 6314691 | Inspection opening frame | Kyozaburo Takagi, Shinjiro Yagi | 2001-11-13 |
| 6158915 | Attachment member for board materials | — | 2000-12-12 |
| 5934034 | Foundation material for use with putty and manufacturing method therefor | Nobuyuki Yahiro, Sonoe Nakagawa, Shinichiro Kawase, Shiro Sato, Kiyoshi Akita | 1999-08-10 |
| 5052156 | Flooring panel system | Haruo Tanaka, Hideaki Tambo | 1991-10-01 |