| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 2 | |
| #2 | United Kingdom | 2 | |
| #3 | United States | 2 | |
| #4 | Australia | 1 | |
| #5 | Belgium | 1 | |
| #6 | Brazil | 1 | |
| #7 | Switzerland | 1 | |
| #8 | Germany | 1 | |
| #9 | France | 1 | |
| #10 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Magnetic or electrostatic solid separation | |
| #2 | Climate change adaptation technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hayashi Tsutomu | 6 |
| #2 | Hayashi T | 2 |
| #3 | Tsutomo Hayashi | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4056372A | Electrostatic precipitator | |
| CA1030079A | Electrostatic precipitator | |
| GB1446030A | Electrostatic precipitators | |
| AU6365573A | Electrostatic precipitator | |
| US3958962A | Electrostatic precipitator |