| # | Country | Total Patents | |
|---|---|---|---|
| #1 | China | 2 | |
| #2 | Japan | 2 | |
| #3 | Republic of Korea | 2 | |
| #4 | United States | 2 | |
| #5 | Canada | 1 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | United Kingdom | 1 | |
| #8 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Optics |
| # | Technology | |
|---|---|---|
| #1 | Television | |
| #2 | Cameras | |
| #3 | Optical systems |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sassa Masayuki | 8 |
| #2 | Masayuki Sassa | 2 |
| #3 | Sasa Masayuki | 2 |
| Publication | Filing date | Title |
|---|---|---|
| EP1571834A1 | Processing apparatus and computer program for adjusting gamma value | |
| JP2005303972A | Processing apparatus and computer program for adjusting gamma value | |
| JP2005250222A | Photographing device |