| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 3 | |
| #2 | Germany | 3 | |
| #3 | United Kingdom | 3 | |
| #4 | France | 2 | |
| #5 | Japan | 1 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Ignition and extinguishing | |
| #2 | Burners |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mitsue Ishiguro | 3 |
| #2 | Ishiguro Kunio | 2 |
| #3 | Ishiguro Mitsuei | 2 |
| Publication | Filing date | Title |
|---|---|---|
| JPH0979574A | Gas lighter | |
| GB1379299A | Gas lighters | |
| GB1245520A | Gas fuelled lighter |