Fujifilm recently has filed two lens patents for X-mount APS-C mirrorless cameras. They are Fujifilm XF 300mm f/4 Lens and Fujifilm XF 500mm f/5.6 Lens.
Lens Patent
Patent: Fujifilm GF 90mm f/1.4 Lens for GFX Cameras
Fujifilm has just filed a new lens patent for Fujifilm GFX medium format mirrorless cameras. This lens patent is Fujifilm GF 90mm f/1.4 lens. You can take a look at details below: