Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4755022 | Zero dispersion single mode optical fiber with center core and side core in the 1.5 .mu.m wavelength region | Masaharu Ohashi, Nobuo Kuwaki, Shigeyuki Seikai, Chihaya Tanaka | 1988-07-05 |
| 4679899 | Optical fiber | Toshiaki Kobayashi, Kazuo Sanada, Toshiaki Murayama, Yasuyuki Sugawara | 1987-07-14 |