Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11029477 | Optical fiber cable | Fumiaki Sato, Yoshiaki Nagao, Ryoei Oka, Ken Takahashi | 2021-06-08 |
| 11029478 | Polyethylene resin for use in spacer for optical fiber cable and spacer for optical fiber cable using the same | Ryoei Oka, Fumiaki Sato, Kentaro Takeda, Taro Fujita, Ken Takahashi | 2021-06-08 |