| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | Japan | 4 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | Canada | 1 | |
| #5 | Germany | 1 | |
| #6 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Buttons, pins and buckles | |
| #2 | Special buttons and bins | |
| #3 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kurashima Hideo | 13 |
| Publication | Filing date | Title |
|---|---|---|
| JPS62218535A | White alloy principally composed of copper | |
| JPS61177300A | Manufacture of tortoiseshell board for inlaid | |
| JPS61177299A | Inlaid method using tortoiseshell | |
| EP0127996A1 | Cufflink | |
| US4528726A | Cuff link | |
| CA1210945A | Cufflink | |
| US4441234A | Decorative cufflink | |
| EP0065868A1 | Cufflinks | |
| US4361936A | Decorative cufflink | |
| US4242776A | Cufflink | |
| JPS55161166A | Building |