| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 |
| # | Industry | |
|---|---|---|
| #1 | Optics | |
| #2 | Audio-visual technology | |
| #3 | Basic communication technologies | |
| #4 | Measurement | |
| #5 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Electrography | |
| #2 | Measuring electric variables | |
| #3 | Unspecified technologies | |
| #4 | Television | |
| #5 | Pulse technique |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hamaya Masahito | 12 |
| #2 | Takahashi Osamu | 1 |
| #3 | Sugiyama Kentaro | 1 |
| #4 | Maruyama Tsuyoshi | 1 |
| #5 | Okamoto Yoshihiro | 1 |
| #6 | Okano Tetsuya | 1 |
| #7 | Inukai Katsumi | 1 |
| #8 | Sugimoto Tasuku | 1 |
| #9 | Naganawa Hiroyuki | 1 |