| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 9 | |
| #2 | Australia | 2 | |
| #3 | China | 1 | |
| #4 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Chemical engineering | |
| #3 | Basic materials chemistry |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hoshi Masami | 7 |
| #2 | Oyama Toshio | 7 |
| #3 | Yasui Ikuo | 5 |
| #4 | Yasui Tomonori | 1 |
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