Assignee
Inventors
- Emil George Radulescu (22 patents)
- Gosta Jakob Ehnholm (35 patents)
- Ramon Quido Erkamp (47 patents)
- I. A. Julius Koskela (2 patents)
- Shunmugavelu Sokka (12 patents)
- Erkki Tapani Vahala (25 patents)
- Max Oskar Köhler (21 patents)
US Patent 10058717 · Granted Aug 28, 2018