| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | WIPO (World Intellectual Property Organization) | 5 | |
| #3 | Canada | 2 | |
| #4 | EPO (European Patent Office) | 2 |
| # | Industry | |
|---|---|---|
| #1 | Computer technology | |
| #2 | Electrical machinery and energy | |
| #3 | Control | |
| #4 | Chemical engineering | |
| #5 | IT methods for management | |
| #6 | Materials and metallurgy | |
| #7 | Environmental technology | |
| #8 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Abe Toshiyasu | 14 |
| #2 | Umemoto Takehiro | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US2011052296A1 | Keyboard | |
| US2006026104A1 | System and method for making copyrightable material available | |
| WO02077964A1 | Combined keyboard and mouse | |
| CA2439240A1 | Improved keyboard | |
| US6590566B2 | Input and output keyboard |