| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 4 | |
| #2 | Germany | 3 | |
| #3 | United Kingdom | 3 | |
| #4 | United States | 3 | |
| #5 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Transport | |
| #3 | Machines | |
| #4 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Compressed gas holders | |
| #2 | Ships | |
| #3 | Unspecified technologies | |
| #4 | Punching metal |
| # | Name | Total Patents |
|---|---|---|
| #1 | Yamamoto Katsuro | 5 |
| #2 | Nakagawa Shinji | 2 |
| #3 | Obata Kuniyoshi | 2 |
| #4 | Katsuro Yamamoto | 1 |
| #5 | Yamamoto K | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3570701A | Tank for use in storing low temperature liquefied gas | |
| US3570702A | Tanks for use in storing low temperature liquefied gas | |
| US3570700A | Low temperature liquefied gas storage tank | |
| GB1131024A | A transport ship for carrying low temperature liquefied gases | |
| GB1110419A | Ship for carrying low temperature liquefied gases | |
| GB1108045A | Cargo ship for low temperature liquefied gases |