| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 10 | |
| #2 | United States | 2 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Textiles and paper |
| # | Technology | |
|---|---|---|
| #1 | Television | |
| #2 | Typewriters |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ikeda Yasuhiko | 11 |
| #2 | Saito Tetsuya | 1 |
| #3 | Sugiyama Shigeyuki | 1 |
| #4 | Sato Ryosuke | 1 |
| #5 | Nishimura Kenichi | 1 |
| #6 | Yanagi Haruyuki | 1 |
| #7 | Takizawa Sakiko | 1 |
| #8 | Shigeno Kenji | 1 |
| #9 | Izumi Masato | 1 |
| #10 | Yoshida Masahito | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JP2021003297A | Satchel | |
| JP2021003263A | Shoulder strap installation device | |
| JP2020156766A | Installation fixture for hanging tool and installation device for hanging tool | |
| JP2018046903A | Load carriage aid | |
| JP2017121331A | school bag | |
| JP2017012349A | Shoulder strap installing device for satchel | |
| JP2016202788A | school bag | |
| JP2016073530A | Satchel | |
| JP2015102008A | Fan motor | |
| JP2001231840A | Sole massager |