| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Netherlands | 5 | |
| #2 | Belgium | 3 | |
| #3 | Germany | 3 | |
| #4 | France | 3 | |
| #5 | Italy | 2 | |
| #6 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Textiles and paper | |
| #3 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Physical training equipment | |
| #2 | Yarns and threads | |
| #3 | Ropes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Takashima Yutaka | 3 |
| #2 | Timmer Frans Frederik | 3 |
| #3 | Takashima Yukata | 1 |
| #4 | Yutaka Takashima | 1 |
| #5 | Rijswijk Jacob Van | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE3536166A1 | STRING FOR BALL RACKETS | |
| NL8501591A | Hockey stick with vibration damping mechanism - has metal cylindrical part fitted in bottom of curved hook part | |
| FR2580184A1 | Device for stretching the strings in a racquet frame | |
| IT8567361D0 | Racquet string tightening mechanism | |
| DE3438030A1 | Device for tensioning strings in a racket frame | |
| NL8302795A | Badminton shuttle. | |
| NL8202631A | Hockey stick has short head formed as U=shaped curve - with narrow gap between sides and with flat front face and club-shaped rear contour |