Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4306767 | Single-mode optical fiber | Masao Kawachi, Tadashi Miyashita, Shintaro Sentsui, Toshiaki Kuroha | 1981-12-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4306767 | Single-mode optical fiber | Masao Kawachi, Tadashi Miyashita, Shintaro Sentsui, Toshiaki Kuroha | 1981-12-22 |