Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6931190 | Optical fiber unit for air blown fiber installation | Tsuyoshi Shimomichi, Keiji Ohashi | 2005-08-16 |
| 6195489 | Optical fiber cord, ribbon cord using the same and ribbon cord branch line | Keiji Oohashi, Tsuyoshi Shimomichi, Tetsuo Hayano, Kazunaga Kobayashi, Katuyoshi Ishida +2 more | 2001-02-27 |