| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 | |
| #2 | WIPO (World Intellectual Property Organization) | 4 | |
| #3 | EPO (European Patent Office) | 2 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Environmental technology | |
| #3 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Batteries | |
| #2 | Reduction of greenhouse gas emissions | |
| #3 | Circuits for supplying electric power | |
| #4 | Multi-purpose tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sakakibara Kazuyuki | 17 |
| #2 | Murata Hiroshi | 1 |
| #3 | Goto Munetoshi | 1 |
| #4 | Kokawa Kiyozumi | 1 |
| #5 | Matsunaga Yutaka | 1 |