| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 |
| # | Industry | |
|---|---|---|
| #1 | Basic communication technologies | |
| #2 | Digital networks | |
| #3 | Telecommunications | |
| #4 | Electrical machinery and energy | |
| #5 | Audio-visual technology |
| # | Technology | |
|---|---|---|
| #1 | Code conversion | |
| #2 | Digital information transmission | |
| #3 | Transmission | |
| #4 | Circuits for supplying electric power | |
| #5 | Pulse technique | |
| #6 | Loudspeakers and microphones | |
| #7 | Amplifiers |
| # | Name | Total Patents |
|---|---|---|
| #1 | Okamura Shutai | 11 |
| #2 | Orihashi Masayuki | 6 |
| #3 | Murakami Yutaka | 5 |
| #4 | Kinoshita Keisuke | 3 |
| #5 | Sakaibara Kunihiko | 1 |
| #6 | Yosoku Naoya | 1 |
| #7 | Kawamura Junichi | 1 |
| #8 | Sumasu Atsushi | 1 |
| #9 | Kishigami Takaaki | 1 |