| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Environmental technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Otake Hirokazu | 13 |
| #2 | Shibano Nobuo | 6 |
| #3 | Shimizu Keiichi | 6 |
| #4 | Hiraoka Toshiyuki | 6 |
| #5 | Asami Kenichi | 2 |
| #6 | Hiramatsu Takuro | 2 |
| #7 | Nishiie Mitsuhiko | 2 |
| #8 | Akahoshi Hiroshi | 1 |
| #9 | Takahashi Yuji | 1 |
| #10 | Sasai Toshihiko | 1 |