Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6366755 | Toner supplying device and developer transporting device | — | 2002-04-02 |
| 5439858 | Hydrated granular carrier prepared from polyvinyl alcohol and activated charcoal for biological treatment apparatus | Kozo Konishi, Shoichi Chizaki, Shuzo Fujii | 1995-08-08 |
| 4614342 | Electronic game machine suitable for chance and gambling card games | — | 1986-09-30 |