| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 14 | |
| #2 | Japan | 3 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Optics | |
| #3 | Semiconductors | |
| #4 | Computer technology |
| # | Technology | |
|---|---|---|
| #1 | Display controls | |
| #2 | Nonlinear optics | |
| #3 | Semiconductor devices | |
| #4 | Static stores |
| # | Name | Total Patents |
|---|---|---|
| #1 | Yamauchi Yoshimitsu | 17 |
| #2 | Ueda Naoki | 1 |
| #3 | Nakano Fumiki | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2012299899A1 | Display device | |
| US2013010015A1 | Pixel circuit and display device | |
| US2012212521A1 | Pixel circuit and display apparatus | |
| JPS5620262A | Staircase with step plates automatically kept horizontal | |
| JPS548060A | Flexible ladder | |
| JPS52135526A | Staircase having automatically leveled footboards with tilti6ng angle variable by double parallel beams |