Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4802732 | Optical fiber cable preventing water from spreading toward cable interior | Nobuhiro Akasaka | 1989-02-07 |
MF
Masumi Fukuma
Overall (1989): #81,616 of 140,708Top 60%
1
Patents 1989