| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 22 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Nomura Kozo | 22 |
| #2 | Tsuno Yoshinari | 2 |
| #3 | Kubota Tsuyoshi | 1 |
| #4 | Asaoka Takashi | 1 |
| Publication | Filing date | Title |
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