| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 3 | |
| #2 | Japan | 3 | |
| #3 | United States | 2 | |
| #4 | Belgium | 1 | |
| #5 | Switzerland | 1 | |
| #6 | Germany | 1 | |
| #7 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Optics | |
| #2 | Mechanical elements | |
| #3 | Macromolecular chemistry and polymers | |
| #4 | Basic materials chemistry | |
| #5 | Machines | |
| #6 | Transport | |
| #7 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Cameras | |
| #2 | Frames | |
| #3 | Unspecified technologies | |
| #4 | Coating compositions | |
| #5 | Compounding ingredients | |
| #6 | Macromolecular compounds compositions | |
| #7 | Vehicle wheels | |
| #8 | Office furniture |
| # | Name | Total Patents |
|---|---|---|
| #1 | Takahashi Sasuke | 10 |
| #2 | Sasuke Takahashi | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JPS56135835A | Screen winding braking device | |
| JPS55120024A | Portable see-through projection screen | |
| JPS5348525A | Device for fixing and elevationally moving elevational post of portable stand for movie screen | |
| US3934304A | Swivel castors | |
| CA953554A | Apparatus for securing, and controlling, the lowering of a portable picture screen stand | |
| GB1235709A | A folding table | |
| CA707245A | Motion picture screen coating | |
| CA831890A | Folding table |