Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4799228 | Transverse-mode stabilized semiconductor laser diode with slab-coupled waveguide | Gen-ichi Hatakoshi, Naohiro Shimada, Motoyuki Yamamoto, Masaki Okajima, Yoshio Iizuka +3 more | 1989-01-17 |
| 4640737 | Dry etching method of compound semiconductor | Nawoto Motegi | 1987-02-03 |