| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 7 | |
| #2 | Switzerland | 7 | |
| #3 | United States | 3 | |
| #4 | France | 2 | |
| #5 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Measurement | |
| #5 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Vehicle wheels | |
| #2 | Shafts | |
| #3 | Railway shifting | |
| #4 | Unspecified technologies | |
| #5 | Cross-cutting vehicle technologies | |
| #6 | Measuring distances | |
| #7 | Transport or storage devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Takeo Nojima | 10 |
| #2 | Nojima Takeo | 8 |
| Publication | Filing date | Title |
|---|---|---|
| US2920918A | Car wheels | |
| GB833114A | Improvements in turntables | |
| US2878070A | Truck and wheel assembly | |
| US2843426A | Vehicle wheel | |
| CA619120A | Car wheels | |
| CA597073A | Turntables | |
| CA632467A | Bearings | |
| CA632470A | Bearing structure | |
| CA632469A | Anti-friction bearings for sliding movement | |
| CA632468A | Thrust bearings | |
| CA599537A | Car wheel devices |