Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4797598 | Illumination apparatus | Hidemi Egami, Katuo Saitor, Hiroshi Satomura | 1989-01-10 |
KO
Katsuya Oikawa
Overall (1989): #90,018 of 140,708Top 65%
1
Patents 1989