| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | EPO (European Patent Office) | 2 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | Australia | 1 | |
| #5 | United Kingdom | 1 | |
| #6 | Republic of Korea | 1 | |
| #7 | Taiwan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Optics | |
| #3 | Environmental technology | |
| #4 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Tanaka Tsunemichi | 9 |
| #2 | Ishizone Tsutomu | 8 |
| #3 | Asakura Keijiro | 4 |
| #4 | Asaoku Masaki | 4 |
| #5 | Kita Hiroshi | 2 |
| #6 | Asakawa Hisashi | 1 |
| #7 | Tsuchizaki Kenichi | 1 |
| #8 | Ishozone Tsutomu | 1 |
| #9 | Yamazuka Hidemitsu | 1 |
| #10 | Gouda Tetsuya | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US6664735B2 | Dimmer for incandesent lamp | |
| EP1462713A2 | Lighting device |