| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 90 | |
| #2 | EPO (European Patent Office) | 2 | |
| #3 | China | 1 | |
| #4 | Taiwan | 1 |
| # | Name | Total Patents |
|---|---|---|
| #1 | Koseki Keiichi | 16 |
| #2 | Uchiki Taketora | 15 |
| #3 | Okayasu Yoshinori | 12 |
| #4 | Sato Takehisa | 11 |
| #5 | Onodera Yasushi | 10 |
| #6 | Kugimiya Takanori | 10 |
| #7 | Namiyama Kazuyoshi | 7 |
| #8 | Ogano Satoru | 7 |
| #9 | Yoshimura Shigehiko | 7 |
| #10 | Umemoto Noboru | 6 |
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