| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 24 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Machines | |
| #3 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Hand carts | |
| #3 | Hand carried bags | |
| #4 | Vehicle wheels |
| # | Name | Total Patents |
|---|---|---|
| #1 | Asai Kiyoharu | 15 |
| #2 | Hirata Sachio | 8 |
| #3 | Watanabe Katsuhiko | 3 |
| #4 | Miyoshi Toshiro | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JP2007290597A | Caster | |
| JP2007203797A | Caster | |
| JP2006082600A | Caster | |
| JP2005254842A | Operation confirmation device for caster lock operation mechanism | |
| JP2005231606A | Locking operation device for caster | |
| JP2004136894A | Caster | |
| JP2005192760A | Bag with casters | |
| JP2005088846A | Caster | |
| JP2004243943A | Caster | |
| JP2004058954A | Caster cover | |
| JP2004034859A | Caster | |
| JP2003291603A | Caster with turning restraining mechanism | |
| JP2003159905A | Caster | |
| JP2003159906A | Caster | |
| JP2003054209A | Caster with turn regulation mechanism | |
| JP2003002004A | Caster | |
| JP2002120505A | Caster | |
| JP2002002208A | Brake pedal of caster | |
| JP2001055005A | Caster with turning regulating mechanism | |
| JP2000203207A | Caster cover |