| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | China | 3 | |
| #3 | Taiwan | 3 | |
| #4 | France | 2 | |
| #5 | Canada | 1 | |
| #6 | Singapore | 1 | |
| #7 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Environmental technology | |
| #3 | Measurement |
| # | Name | Total Patents |
|---|---|---|
| #1 | Matsumoto Tadashi | 4 |
| #2 | Tange Seiji | 4 |
| #3 | Nomura Toshio | 3 |
| #4 | Seki Kempei | 2 |
| #5 | Mitani Mitsuru | 2 |
| #6 | Kawano Hiromichi | 2 |
| #7 | Mori Tadashi | 1 |
| #8 | Yasunori Ushisawa Masahiro San | 1 |
| #9 | Nakajima Kazuhiro | 1 |
| #10 | Hachidai Ito | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO2004082098A1 | Dc power supply system and switch |