| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 14 | |
| #2 | EPO (European Patent Office) | 1 | |
| #3 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Medical technology |
| # | Technology | |
|---|---|---|
| #1 | Operating tables |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kato Nobuaki | 6 |
| #2 | Sugimura Tetsuo | 3 |
| #3 | Tatemichi Satoshi | 3 |
| #4 | Sato Hisayoshi | 2 |
| #5 | Kasuya Tomohiro | 2 |
| #6 | Kamiya Junichiro | 1 |
| #7 | Ito Satoru | 1 |
| #8 | Sato Nagayoshi | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JP2020065782A | wheelchair | |
| JP2020018769A | Wheelchair with auxiliary wheel for riding over step | |
| JP2020006015A | wheelchair | |
| JP2019180955A | wheelchair | |
| JP2019111849A | Caster for wheelchair | |
| JP2019039538A | Mechanical lock device | |
| JP2019013319A | Parking brake member | |
| JP2018187180A | Foot pedal braking device | |
| JP2018175552A | Wheelchair | |
| JP2018134223A | wheelchair | |
| JP2018126352A | Synchronous structure of parking brake and parking brake unit body | |
| JP2018089159A | Parking brake structure for wheelchair | |
| JP2018000668A | Wheelchair | |
| JP2016215687A | baby carriage |