| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 89 | |
| #2 | United States | 3 | |
| #3 | Switzerland | 1 | |
| #4 | WIPO (World Intellectual Property Organization) | 1 |
| # | Name | Total Patents |
|---|---|---|
| #1 | Maeda Yutaka | 93 |
| #2 | Akasaka Takeshi | 3 |
| #3 | Nomura Yasuo | 1 |
| #4 | Kajikawa Yoshinobu | 1 |
| #5 | Yutaka Maeda | 1 |
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