| # | Country | Total Patents | |
|---|---|---|---|
| #1 | China | 3 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | Republic of Korea | 3 | |
| #4 | WIPO (World Intellectual Property Organization) | 3 | |
| #5 | Taiwan | 2 |
| # | Industry | |
|---|---|---|
| #1 | Optics |
| # | Technology | |
|---|---|---|
| #1 | Cameras |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kotera Masayuki | 11 |
| #2 | Okumura Masayuki | 11 |
| #3 | Tabuchi Yoshimitsu | 3 |
| #4 | Masayuki Okumura | 2 |
| #5 | Masayuki Kotera | 2 |
| #6 | Yoshimitsu Okumura Masayuki Ko | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CN101116032A | Self-supporting up-down screen | |
| CN101116031A | Self-supporting up-down screen | |
| CN1853137A | Installation structure of projection screen |