Issued Patents All Time
Showing 1–4 of 4 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, Naoshi Uesugi | 1988-07-05 |
| 4655545 | Glass fiber for optical transmission | Toru Yamanishi, Yuji Kameo, Masaaki Yoshida, Masao Yuto | 1987-04-07 |
| 4475935 | Joining method to obtain elongated coated optical fiber | Kazuo Iwabuchi, Toshiaki Kakii, Yuichi Toda | 1984-10-09 |
| 4330785 | Thermal recording method | Kenji Yabuta, Senji Tosa, Yasuhiko Oiri | 1982-05-18 |