| # | Country | Total Patents | |
|---|---|---|---|
| #1 | China | 5 | |
| #2 | United States | 4 | |
| #3 | Germany | 3 | |
| #4 | Sweden | 3 | |
| #5 | France | 2 | |
| #6 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Mechanical elements | |
| #3 | Materials and metallurgy | |
| #4 | Environmental technology | |
| #5 | Engines, pumps and turbines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Fukuda Masahiro | 2 |
| #2 | Nakagawa Yoshihiro | 2 |
| #3 | Hashizume Tamotsu | 2 |
| #4 | Kusano H | 2 |
| #5 | Endo Toru | 2 |
| #6 | Honda Juntaro | 2 |
| #7 | Hashizume T | 1 |
| #8 | Takahashi Hideo | 1 |
| #9 | Yoshimitsu Arata | 1 |
| #10 | Seki Yoshikazu | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CN1012382B | Closed evaporating type cooling system for engines | |
| GB1299923A | A composite tube and a filament winding process producing the same | |
| DE1965658A1 | Nickel,chromium cobalt-steel | |
| FR2068167A5 | Thick walled reinforced composite pipe | |
| GB1216766A | Improvements in and relating to the centrifugal casting of composite metal bodies | |
| US3421594A | Weighing apparatus | |
| US3432175A | Pipe joint which can be assembled from inside pipe |