| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 8 | |
| #2 | EPO (European Patent Office) | 1 | |
| #3 | Taiwan | 1 | |
| #4 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Medical technology |
| # | Technology | |
|---|---|---|
| #1 | Operating tables |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sakugi Sadao | 8 |
| #2 | Masaki Sadao | 3 |
| Publication | Filing date | Title |
|---|---|---|
| JP2020199060A | Portable toilet with manual washer and manual washer | |
| JP2019201800A | Wooden wheelchair | |
| JP2018023828A | wheelchair | |
| JP2018023829A | wheelchair | |
| JP2019047882A | Transfer machine | |
| JP2019037670A | Standing auxiliary device and wheelchair attached with the same | |
| JP2017185204A | Standing assist device | |
| TW201729778A | Transfer device | |
| EP3072488A1 | Transfer machine | |
| JP2016198334A | wheelchair |