Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4799228 | Transverse-mode stabilized semiconductor laser diode with slab-coupled waveguide | Hiroko Nagasaka, Gen-ichi Hatakoshi, Naohiro Shimada, Motoyuki Yamamoto, Yoshio Iizuka +3 more | 1989-01-17 |