Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4836639 | Optical fiber cable having a neutral axis defining a zero stress | Naoki Shamoto, Hideo Suzuki, Masaaki Kawase, Hiromichi Shinohara | 1989-06-06 |
| 4812014 | Water penetration-detecting apparatus and optical fiber cable using same | Hiroyuki Sawano, Hideo Suzuki, Kazunaga Kobayashi, Nobuyasu Sato | 1989-03-14 |