| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 |
| # | Industry | |
|---|---|---|
| #1 | Optics | |
| #2 | Audio-visual technology | |
| #3 | Computer technology | |
| #4 | Textiles and paper |
| # | Technology | |
|---|---|---|
| #1 | Electrography | |
| #2 | Television | |
| #3 | Data recognition and presentation | |
| #4 | Typewriters | |
| #5 | Electric digital data processing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Iwata Muneaki | 13 |
| #2 | Fujita Hayato | 11 |
| #3 | Ishida Masaaki | 11 |
| #4 | Omori Atsufumi | 10 |
| #5 | Watanabe Naoto | 4 |
| #6 | Akatsu Kazuhiro | 1 |
| #7 | Takizawa Takefumi | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2013302052A1 | Image forming apparatus and density change suppressing method |