OPTICAL FILTER, LIGHT VOLUME ADJUSTING DEVICE AND IMAGE PICKUP DEVICE HAVING SAME
- Application ID: EP12858637
- Status: █ APPLICATION DEEMED TO BE WITHDRAWN
This patent has the IPC combination G02 (OPTICS) and G03 (PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY) is specialized in the combination G02 and G03. We found, that Hoffmann Eitle PartmbB, Bird Goën & Co NV, Becker Kurig Straus, Beckord & Niedlich, Bonsmann Bonsmann Frank and 11 others are specialized in all of these IPC classes. For a similar patent, they might be a good choice.