| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 4 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | United States | 3 | |
| #4 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Optics | |
| #3 | Furniture and games | |
| #4 | Audio-visual technology | |
| #5 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Doors and windows | |
| #2 | Cameras | |
| #3 | Finishing work on buildings | |
| #4 | Windows or door furnishings | |
| #5 | Advertising | |
| #6 | Platform constructions | |
| #7 | Buttons, pins and buckles | |
| #8 | Swimming pools | |
| #9 | Scaffolding |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hayashiguchi Norio | 8 |
| #2 | Nakae Kazuhiro | 4 |
| #3 | Hayashiguchi Seizo | 3 |
| Publication | Filing date | Title |
|---|---|---|
| WO2021049484A1 | Screen device | |
| WO2021005854A1 | Supporting structure for sheet-like article | |
| WO2012176332A1 | Roll screen device |