Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4802732 | Optical fiber cable preventing water from spreading toward cable interior | Masumi Fukuma | 1989-02-07 |
| 4799762 | Resin composite | Tatsuya Kakuta | 1989-01-24 |
NA
Nobuhiro Akasaka
Overall (1989): #19,293 of 140,708Top 15%
2
Patents 1989