| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 45 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Engines, pumps and turbines | |
| #3 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hoya Takeshi | 45 |
| #2 | Kosaka Sumio | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JP2001032776A | Elastic film body of force feed device structure | |
| JP2000246017A | Method and apparatus for feeding slurry under pressure | |
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