| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 11 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Shaping of plastics | |
| #2 | Rotary pistons |
| # | Name | Total Patents |
|---|---|---|
| #1 | Tsuchiya Shiro | 11 |
| Publication | Filing date | Title |
|---|---|---|
| JP2005058935A | Filtering device | |
| JPH10278096A | Screen changer for fluid | |
| JPH10216418A | Filter machine | |
| JPH10220363A | Sealing method for rotary volume type pump and rotary volume type pump | |
| JPH09225993A | Screen changer for fluid | |
| JPH09164580A | Fluid screen changer | |
| JPH0942180A | Sealing method for rotary displacement type pump and the pump itself | |
| JPH08300443A | Screen changer for plastic extrusion molding | |
| JPH08230017A | Screen changer for plastic extrusion molding | |
| JPH08103938A | Screen changer with gear pump for extrusion-molding of plastic | |
| JPH0857938A | Screen exchange device for plastic extrusion molding machine |