Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4891834 | Recording telephone system equipped with a remote control change-over switch | Kinji Nishimura | 1990-01-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4891834 | Recording telephone system equipped with a remote control change-over switch | Kinji Nishimura | 1990-01-02 |