| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 5 | |
| #2 | Switzerland | 3 | |
| #3 | France | 3 | |
| #4 | United States | 3 | |
| #5 | Belgium | 2 | |
| #6 | Canada | 2 | |
| #7 | United Kingdom | 2 | |
| #8 | Netherlands | 2 | |
| #9 | Argentina | 1 | |
| #10 | Austria | 1 | |
| #11 | Australia | 1 | |
| #12 | German Democratic Republic | 1 | |
| #13 | Denmark | 1 | |
| #14 | Finland | 1 | |
| #15 | Israel | 1 | |
| #16 | Italy | 1 | |
| #17 | Norway | 1 | |
| #18 | Sweden | 1 | |
| #19 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Medical technology | |
| #2 | Machines | |
| #3 | Pharmaceuticals | |
| #4 | Mechanical elements | |
| #5 | Optics |
| # | Technology | |
|---|---|---|
| #1 | Syringes | |
| #2 | Unspecified technologies | |
| #3 | Medical preparations | |
| #4 | Unspecified technologies | |
| #5 | Implantable devices | |
| #6 | Venting or aerating devices | |
| #7 | Diagnosis and surgery | |
| #8 | Optical systems | |
| #9 | Spectacles | |
| #10 | Pipes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wada Juro | 21 |
| #2 | Itaoka Toshinari | 9 |
| #3 | Wada Juro Prof | 2 |
| #4 | Itaoka T | 2 |
| #5 | Wada J | 2 |
| #6 | Toshinari Itaoka | 2 |
| #7 | Juro Wada | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4865438A | Spectacles provided with a magnifier having an automatic focusing function | |
| GB2082475A | Artificial lung device | |
| DE3008542A1 | MEDICAL REINFORCEMENT MATERIAL AND METHOD FOR THE PRODUCTION THEREOF | |
| DK3580A | Angiography contractor for use | |
| DE2949920A1 | Surgical sewing material - with chemical fibre braiding surrounding bundle of thin metal wires | |
| DE2949315A1 | Pipe connector esp. for blood transfusion - having series of different meters facilitating connection of differently sized tubes | |
| US3445863A | One-way valve device suitable for use as a heart valve | |
| CA801305A | One way valve device |