Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4807206 | Track jump detection system | Mitsuro Moriya, Toshiji Kanamaru, Kazuharu Shiragami, Hiroyuki Yamaguchi | 1989-02-21 |
KW
Katsuya Watanabe
Overall (1989): #89,430 of 140,708Top 65%
1
Patents 1989