| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 3 | |
| #2 | Finland | 2 | |
| #3 | United Kingdom | 2 | |
| #4 | Canada | 1 | |
| #5 | Germany | 1 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | France | 1 | |
| #8 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Control |
| # | Technology | |
|---|---|---|
| #1 | Analysing materials | |
| #2 | Registering devices | |
| #3 | Measuring length, angles and areas |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lehtikoski Olavi | 8 |
| #2 | Nissinen Martti | 6 |
| #3 | Lehtikoski O | 3 |
| #4 | Nissinen M | 2 |
| #5 | Ahtonen Esa | 2 |
| #6 | Olavi Lehtikoski | 1 |
| Publication | Filing date | Title |
|---|---|---|
| FI840380A0 | Anordination for the maintenance of paper sheets and compressibilities. | |
| FI840201A0 | Method for foundation of paprets rivstyrka och anordning foertillaempning av metoden |