| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 |
| # | Industry | |
|---|---|---|
| #1 | Optics | |
| #2 | Computer technology | |
| #3 | Textiles and paper | |
| #4 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Electrography | |
| #2 | Image data processing | |
| #3 | Typewriters | |
| #4 | Printing processes | |
| #5 | Optical systems | |
| #6 | Measuring length, angles and areas |
| # | Name | Total Patents |
|---|---|---|
| #1 | Katano Yasuo | 12 |
| #2 | Kurotori Tsuneo | 6 |
| #3 | Arizumi Yuko | 5 |
| #4 | Someya Yukimichi | 5 |
| #5 | Kaneko Fuminari | 5 |
| #6 | Yaginuma Hidekazu | 4 |
| #7 | Nakamura Takuma | 3 |
| #8 | Takeuchi Shigeo | 3 |
| #9 | Sugawara Tomoaki | 3 |
| #10 | Tomono Hidenori | 2 |