Tamron Patents SP 60mm f/2.8 Di VC USD

According to the Egami Blog, Tamron has patented the optical design for an SP 60mm f/2.8 Di VC USD.
 
Patent Details
 

• Patent Publication No. 2016-126086
• Published 2016.7.11
• Submitted 2014.12.26
• Focus distance 61.79 61.21 56.74
• F-number 2.88 2.92 3.16
• Field of View 38.58 38.03 34.57
• Inner focus
• Anti-vibration (the second group)