| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | China | 5 | |
| #3 | EPO (European Patent Office) | 5 | |
| #4 | Republic of Korea | 5 | |
| #5 | WIPO (World Intellectual Property Organization) | 4 | |
| #6 | Hong Kong | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Packaging and shipping | |
| #3 | Surface technology and coating | |
| #4 | Foods and drinks | |
| #5 | Furniture and games | |
| #6 | Macromolecular chemistry and polymers |
| # | Technology | |
|---|---|---|
| #1 | Shaping of plastics | |
| #2 | Containers for goods storage | |
| #3 | Fillers | |
| #4 | Certain plastics | |
| #5 | Layered products | |
| #6 | Foods | |
| #7 | Producing goods from plastic | |
| #8 | Special foods | |
| #9 | Household appliances | |
| #10 | Macromolecular compounds compositions |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hatakeyama Kazuyuki | 26 |
| #2 | Hatakeyama Harumasa | 26 |
| Publication | Filing date | Title |
|---|---|---|
| KR20180113574A | Double vessel and its manufacturing method | |
| KR20180093020A | Double vessel and its manufacturing method | |
| US2017283115A1 | Double container assembly and manufacturing method therefor | |
| US2017320635A1 | Double container for high-viscosity liquid | |
| EP3184280A1 | Double-walled container manufacturing method |