| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 3 | |
| #2 | Republic of Korea | 3 | |
| #3 | United States | 3 | |
| #4 | WIPO (World Intellectual Property Organization) | 3 | |
| #5 | China | 2 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Environmental technology | |
| #3 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Circuits for supplying electric power | |
| #2 | Reduction of greenhouse gas emissions | |
| #3 | Batteries | |
| #4 | Measuring electric variables |
| # | Name | Total Patents |
|---|---|---|
| #1 | Takaoka Hiromi | 13 |
| #2 | Atsuta Toshio | 5 |
| #3 | Kitamura Shinzo | 5 |
| #4 | Osabe Yasuo | 4 |
| #5 | Nishino Taneo | 3 |
| #6 | Fujiwara Takamichi | 3 |
| #7 | Nakamura Osamu | 3 |
| #8 | Matsui Shigetomo | 3 |
| #9 | Iuchi Yutaka | 3 |
| #10 | Hiromi Takaoka | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO2009107236A1 | Charging device and quality judging device of pack cell | |
| EP1605573A1 | Charger for secondary battery | |
| EP1507326A1 | Secondary cell charger and charging method |