Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D448425 | Information stored cartridge for game machine | Kaku Hanazawa | 2001-09-25 |
| 6273247 | Storing case with engaging pawl | Tomitaro Harada, Kaku Hanazawa | 2001-08-14 |
| D443436 | Case for a cartridge having stored information | Tomitaro Harada, Kaku Hanazawa | 2001-06-12 |