Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839875 | Technique for automatic tracking of cassette rentals and managing of information related thereto | Zenkichi Kuriyama, Masaho Aoba | 1989-06-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839875 | Technique for automatic tracking of cassette rentals and managing of information related thereto | Zenkichi Kuriyama, Masaho Aoba | 1989-06-13 |