Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8941391 | Multi purpose capacitive sensor | — | 2015-01-27 |
| 8049518 | Capacitive sensor system | Jan Johansson | 2011-11-01 |
| 7193833 | Electric switch | Jan Johansson | 2007-03-20 |
| 5173932 | Security system comprising a signal transmitter | Jan Johansson | 1992-12-22 |
| 4289972 | Touch control switch | — | 1981-09-15 |
| 4264831 | Touch control switch | — | 1981-04-28 |
| 4210822 | Touch control switch | — | 1980-07-01 |
| 4194134 | Two-terminal network comprising a transistor | Fritz L. G. Bjorklund, Carl-Olof Sandberg, Olaf Sternbeck | 1980-03-18 |
| 4190833 | Alphanumeric terminal having an optoelectric converter and an associated mono-pulse generating circuit | Anders M. T. Bejting | 1980-02-26 |