| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 30 |
| # | Industry | |
|---|---|---|
| #1 | Optics | |
| #2 | Chemical engineering | |
| #3 | Environmental technology | |
| #4 | Machines | |
| #5 | Mechanical elements | |
| #6 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Optical systems | |
| #2 | Water treatment | |
| #3 | Separation | |
| #4 | Nails | |
| #5 | Sanitary equipment | |
| #6 | Producing goods from plastic |
| # | Name | Total Patents |
|---|---|---|
| #1 | Dou Satoshi | 21 |
| #2 | Do Satoshi | 3 |
| #3 | Suda Shuji | 3 |
| #4 | Aoki Terumasa | 3 |
| #5 | Yoshida Toshiyuki | 2 |
| #6 | Yasuda Hiroshi | 2 |
| #7 | Takenaka Takashi | 1 |
| #8 | Nishino Tamio | 1 |
| #9 | Konuma Isao | 1 |
| #10 | Oshima Kazusumi | 1 |
| Publication | Filing date | Title |
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