| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 5 | |
| #2 | Denmark | 2 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | Canada | 1 | |
| #5 | Finland | 1 | |
| #6 | Norway | 1 | |
| #7 | Portugal | 1 | |
| #8 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Platform constructions | |
| #2 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kobayashi Sadao | 13 |
| #2 | Ishihara Yuji | 12 |
| #3 | Ijichi Kouichi | 9 |
| #4 | Sato Katsuyuki | 5 |
| #5 | Ijichi Koichi | 3 |
| #6 | Kobayshi Sadao | 1 |
| #7 | Katsura Shigemasa | 1 |
| #8 | Isahihara Yuji | 1 |
| #9 | Yamazaki Akio | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JPH0384107A | Non-adhesive sheet material for indicating surface and the like | |
| JPH02228692A | Sheet material for high-luminance all-weather road surface marker | |
| JPH02191099A | Sign device having night visibility | |
| JPH01312105A | Manual operation type coating device | |
| JPS6421106A | Sheet material for displaying two layer structure road surface |