| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 5 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | United States | 3 | |
| #4 | China | 2 | |
| #5 | Republic of Korea | 2 | |
| #6 | Hong Kong | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Civil engineering | |
| #3 | Machines | |
| #4 | Audio-visual technology | |
| #5 | Optics | |
| #6 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Venting or aerating devices | |
| #3 | Unspecified technologies | |
| #4 | Installations for obtaining water | |
| #5 | Fire-fighting | |
| #6 | Optical systems | |
| #7 | Television | |
| #8 | Turning |
| # | Name | Total Patents |
|---|---|---|
| #1 | Yoneda Toyohiko | 15 |
| #2 | Yoneda Tetsuzo | 14 |
| #3 | Doman Norio | 13 |
| #4 | Edamatsu Shigeru | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO2020208715A1 | Search-use camera device | |
| WO2019198149A1 | Connection method for coupling pipe | |
| WO2018163415A1 | Branching structure, method for attaching branching structure, and tool for attaching branching structure | |
| US2016281897A1 | Snap tap forming method and snap tap attaching tool used in the method |