| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Norway | 9 | |
| #2 | United States | 4 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | Germany | 1 | |
| #5 | Denmark | 1 | |
| #6 | Finland | 1 | |
| #7 | United Kingdom | 1 | |
| #8 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Medical technology |
| # | Technology | |
|---|---|---|
| #1 | Chairs and beds | |
| #2 | Household appliances | |
| #3 | Office furniture | |
| #4 | Operating tables | |
| #5 | Physical training equipment |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kjersem Jens A | 10 |
| #2 | Kjersem Jens Anders | 10 |
| Publication | Filing date | Title |
|---|---|---|
| WO9520893A1 | A sitting posture-regulating rest device | |
| US5271114A | Supporting pillow | |
| DK488686D0 | Seat without smoke | |
| US4921304A | Chair | |
| US4595234A | Rocking chair |