| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 |
| # | Industry | |
|---|---|---|
| #1 | Telecommunications | |
| #2 | Optics |
| # | Technology | |
|---|---|---|
| #1 | Transmission | |
| #2 | Multiplex communication | |
| #3 | Devices using light amplification | |
| #4 | Optical systems |
| # | Name | Total Patents |
|---|---|---|
| #1 | Nishihara Masato | 11 |
| #2 | Takahara Tomoo | 8 |
| #3 | Tanaka Toshiki | 4 |
| #4 | Hoshida Takeshi | 3 |
| #5 | Yuki Masahiro | 1 |
| #6 | Nakashima Hisao | 1 |
| #7 | Hayashi Etsuko | 1 |
| #8 | Sugaya Yasushi | 1 |
| #9 | Akiyama Yuichi | 1 |