Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885580 | Multi-function key input device | Hiroshi Noto, Nobuyuki Hayashida, Taketoshi Kojima, Makoto Ito | 1989-12-05 |
OK
Osamu Kambayashi
Overall (1989): #135,722 of 140,708Top 100%
1
Patents 1989