Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7270602 | Keyboard game program and keyboard game device | Kazunori Hideya, Taisei Nomura, Hitomi Terada | 2007-09-18 |
| 5182182 | Electrophotographic image-forming method | Kazuhito Takaoka, Yumiko Sano | 1993-01-26 |
| 5045879 | Image forming apparatus using photosensitive toner | Kazuhito Takaoka, Kazushige Inoue, Yumiko Sano | 1991-09-03 |