| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 6 | |
| #2 | China | 4 | |
| #3 | Republic of Korea | 4 | |
| #4 | EPO (European Patent Office) | 3 | |
| #5 | Singapore | 2 | |
| #6 | United States | 2 | |
| #7 | African Regional Industrial Property Organization | 1 | |
| #8 | Australia | 1 | |
| #9 | Brazil | 1 | |
| #10 | Canada | 1 | |
| #11 | Morocco | 1 | |
| #12 | Mexico | 1 | |
| #13 | New Zealand | 1 | |
| #14 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Audio-visual technology | |
| #3 | IT methods for management | |
| #4 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Books | |
| #2 | Filing and indexing | |
| #3 | Office accessories | |
| #4 | Writing or drawing tools | |
| #5 | Special books | |
| #6 | Advertising | |
| #7 | Data processing systems | |
| #8 | Household appliances |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hirahara Yutaka | 28 |
| #2 | Lee Boksil | 1 |
| #3 | Yutaka Hirahara | 1 |
| Publication | Filing date | Title |
|---|---|---|
| KR20190003724A | Calendar and ad placement devices, print publications, web delivery system | |
| WO2014122870A1 | File binder, printed matter set, printed matter, and printed matter production method | |
| KR20140041398A | Printed leaf, bound leaf, leaf-supplying method, folded printed leaf, and book | |
| WO2012090524A1 | Magnet-retaining base, magnet holder, magnet-equipped binder, ring binder, magnet element, and magnetic product | |
| WO2011019007A1 | Desktop loose-leaf base, and binder | |
| WO2010053211A1 | Manufacture of leaf base with ring open/closure mechanism of desk calendar |