Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5077815 | Apparatus for optically connecting a single-mode optical fiber to a multi-mode optical fiber | Sakae Yoshizawa, Akihiko Ichikawa, Shinya Inagaki, Kazuya Sasaki, Keiko Takeda | 1991-12-31 |