Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5790742 | Optical fiber | Kenji Tsubaki, Hiroshi Yokogawa, Masaru Yokoyama, Kenji Sonoda | 1998-08-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5790742 | Optical fiber | Kenji Tsubaki, Hiroshi Yokogawa, Masaru Yokoyama, Kenji Sonoda | 1998-08-04 |