| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 13 | |
| #2 | United States | 11 | |
| #3 | China | 7 | |
| #4 | WIPO (World Intellectual Property Organization) | 3 | |
| #5 | Taiwan | 2 | |
| #6 | Germany | 1 | |
| #7 | France | 1 | |
| #8 | United Kingdom | 1 | |
| #9 | Republic of Korea | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Audio-visual technology |
| # | Technology | |
|---|---|---|
| #1 | Electrically-conductive connections | |
| #2 | Loudspeakers and microphones | |
| #3 | Casings and printed circuits |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kikuchi Eiji | 34 |
| #2 | Yamakawa Hiroji | 17 |
| #3 | Eiji Kikuchi | 6 |
| #4 | Hiroji Yamakawa | 4 |
| #5 | Kawasaki Tomokazu | 4 |
| #6 | Tomokazu Kawasaki | 1 |
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