| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 4 | |
| #2 | United Kingdom | 3 | |
| #3 | Switzerland | 2 | |
| #4 | Germany | 1 | |
| #5 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Machines | |
| #3 | Machine tools | |
| #4 | Measurement | |
| #5 | Materials and metallurgy | |
| #6 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Electric discharge tubes | |
| #2 | Unspecified technologies | |
| #3 | Making screws | |
| #4 | Furnaces | |
| #5 | Metal production and refining | |
| #6 | Analysing materials |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kazuo Ito | 2 |
| #2 | Naruse Masao | 2 |
| #3 | Kenji Kazato | 2 |
| #4 | Ito Kazuo | 1 |
| #5 | Kanichi Ashinuma | 1 |
| #6 | Tsuchikawa Takeo | 1 |
| #7 | Noboru Takahashi | 1 |
| #8 | Kazato Kenji | 1 |
| #9 | Tsuchikawa Jakeo | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3090864A | Electron microscope | |
| GB869425A | A solid thin film specimen forming apparatus for an electron microscope and the like | |
| GB772621A | An electron microscope | |
| GB763522A | An electron microscope |