Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4804964 | Loran-C signal receiving apparatus | Hiroshige Fukuhara | 1989-02-14 |
| 4802418 | Wheelset steering apparatus and method for the truck of railway vehicles | Isao Okamoto, Katsuyuki Terada, Hiromi Go, Michio Sebata, Hiroshi Higaki | 1989-02-07 |