| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 9 | |
| #2 | United States | 3 |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hamada Yoshiaki | 12 |
| #2 | Tabata Masamune | 3 |
| #3 | Murakami Yasunori | 3 |
| #4 | Akiyoshi Koji | 2 |
| #5 | Yajima Takashi | 1 |
| #6 | Katsurai Takashi | 1 |
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