Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4843031 | Method of fabricating compound semiconductor laser using selective irradiation | Yuzaburo Ban, Youichi Sasai, Mototsugu Ogura, Hiroyuki Serizawa | 1989-06-27 |
HT
Hiraaki Tsujii
Overall (1989): #103,789 of 140,708Top 75%
1
Patents 1989