| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 5 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | China | 2 | |
| #4 | Republic of Korea | 2 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | Hong Kong | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Indexing scheme relating to hinges | |
| #2 | Wing fittings | |
| #3 | Hinges for doors or windows |
| # | Name | Total Patents |
|---|---|---|
| #1 | Nagata Masahiro | 7 |
| #2 | Shimodaira Kazuhiko | 2 |
| #3 | Masahiro Nagata | 2 |
| #4 | Katagiri Fujio | 1 |
| #5 | Ito Kiyoshi | 1 |
| #6 | Fujinuma Hisao | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JP2020163199A | Drawer body | |
| JP2019065645A | Device for coping with earthquake | |
| JP2019044411A | Earthquake activated tool | |
| JP2012012823A | Buffer tool for slide hinge | |
| JP2011236576A | Column for partitioning and partition panel |