Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8776355 | Method and device for fixing a faucet to a mounting | Hannu Reiman, Raimo Kaukinen | 2014-07-15 |
| 5928565 | Conducting polymer material and method for its production | Toivo Karna, Jukka Laakso, Kalle Levon | 1999-07-27 |
| 5585040 | Conductive plastics material and a method for its preparation | Pauli Kirmanen, Esa Virtanen, Toivo Karna, Jukka Laakso, Heikki Ruohonen +3 more | 1996-12-17 |
| 5585038 | Conductive plastics material and a method for its preparation | Pauli Kirmanen, Esa Virtanen, Toivo K arn a, Jukka Laakso, Heikki Ruohonen +3 more | 1996-12-17 |
| 5531932 | Metal compound/protonic acid containing electrically conductive compositions and methods for their preparation | Toivo Karna, Jukka Laakso, Timo Niemi, Heikki Ruohonen, Helge Lindstrom +2 more | 1996-07-02 |
| 5346649 | Conducting polymer material and method for its production | Toivo Karna, Jukka Laakso, Kalle Levon | 1994-09-13 |
| 5340499 | Electrically conductive compositions and methods for their preparation | Toivo Karna, Jukka Laakso, Timo Niemi, Heikki Ruohonen, Helge Lindstrom +3 more | 1994-08-23 |
| 5128221 | Storage battery | Toivo Karn/a, Jukka-Pekka Nieminen, Asko Maisti, Ahti Kemppi | 1992-07-07 |
| 4973533 | Gas vault structure for a storage battery | Jukka-Pekka Nieminen, Asko Maisti, Toivo Karna, Ahti Kemppi, Niilo Jaasko | 1990-11-27 |