Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868639 | Semiconductor device having waveguide-coaxial line transformation structure | Hiroshi Mugiya, Mitsuo Hasegawa | 1989-09-19 |
YA
Youichi Arai
Overall (1989): #41,447 of 140,708Top 30%
1
Patents 1989