| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 8 | |
| #2 | EPO (European Patent Office) | 3 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Doors and windows |
| # | Name | Total Patents |
|---|---|---|
| #1 | Yokoi Naoki | 3 |
| #2 | Asami Yuji | 2 |
| #3 | Sasaki Shinsuke | 2 |
| #4 | Koiwa Katsutoshi | 1 |
| #5 | Yoshida Mitsuhiro | 1 |
| #6 | Iwasaki Hiroshi | 1 |
| #7 | Takei Hitoshi | 1 |
| #8 | Kimura Toru | 1 |
| #9 | Hashimoto Aya | 1 |
| #10 | Iwasaki Shinya | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JP2008045308A | Building shutter device | |
| JP2008038499A | Mounting structure of opening/closing machine | |
| JP2008031766A | Pipe shutter device | |
| JP2008031714A | Shutter device | |
| JP2008031657A | Silent structure of shutter curtain | |
| JP2008025238A | Shutter device | |
| JP2008019626A | Building shutter | |
| JP2008019949A | Structure for fixing thin plate and plate body using tapping screw and structure for fixing component to face poriton of panel | |
| EP1795690A1 | Crime prevention structure of steel door |