Assignee
Inventors
- Heikki Heikkila (74 patents)
- Heikki Ojamo (9 patents)
- Matti Tylli (8 patents)
- Vili Ravanko (15 patents)
- Juha Nurmi (24 patents)
- Piia Haimi (1 patents)
- Raimo Alen (4 patents)
- Hannu Koivikko (14 patents)
US Patent 6894199 · Granted May 17, 2005