| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 14 |
| # | Industry | |
|---|---|---|
| #1 | Telecommunications | |
| #2 | Basic communication technologies | |
| #3 | Digital networks | |
| #4 | Semiconductors | |
| #5 | Optics |
| # | Technology | |
|---|---|---|
| #1 | Transmission | |
| #2 | Digital information transmission | |
| #3 | Code conversion | |
| #4 | Amplifiers | |
| #5 | Multiplex communication | |
| #6 | Pulse technique | |
| #7 | Selecting | |
| #8 | Resonators | |
| #9 | Nonlinear optics | |
| #10 | Semiconductor devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Tsunoda Yukito | 14 |
| #2 | Ide Satoshi | 3 |
| #3 | Mori Kazuyuki | 2 |
| #4 | Sugawara Mariko | 1 |
| #5 | Matsuyama Toru | 1 |
| #6 | Sakuramoto Shinichi | 1 |