| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | France | 2 | |
| #4 | United Kingdom | 2 | |
| #5 | Italy | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Materials and metallurgy | |
| #3 | Machines | |
| #4 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Measuring volume | |
| #2 | Special measuring | |
| #3 | Building materials | |
| #4 | Measuring length, angles and areas | |
| #5 | Unspecified technologies | |
| #6 | Finishing work on buildings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sugi Tokio | 7 |
| #2 | Kobayashi Tamotsu | 5 |
| #3 | Shigeta Kunikazu | 5 |
| #4 | Fujii Toru | 5 |
| #5 | Kato Shigemi | 4 |
| #6 | Yasuhara Takeshi | 4 |
| #7 | Ikawa Tadashi | 1 |
| #8 | Furuno Fumiya | 1 |
| #9 | Koyano Kiyoshi | 1 |
| #10 | Sato Kenji | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1113836A | Method of surface finishing |