Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883158 | Device and method for managing amount of stored coins | Osamu Kobayashi, Takeshi Isida, Mitsugu Mikami | 1989-11-28 |
| 4881630 | Coin discriminating apparatus | Osamu Kobayashi, Osamu Sugimoto, Takeshi Ishida, Masanori Tanaka, Jun Ishii | 1989-11-21 |