Lens patents
English translations of Japanese patents can be found at Japan platform for patent information [link].
publication | type | filed | published | companies | authors | link given by | |
---|---|---|---|---|---|---|---|
JP 2016-126295 | DSLR | Tamron 100-400mm F4.5-6.3 VC | 2015.1.8 | 2016.7.11 | http://thenewcamera.com/tamron-100-400mm-f4-5-6-3-vc-patent/ |