An anonymous sender (Thanks!) made this list of all recent MFT lens patents. Some of those lenses do already exist as real products. Some do not:
Ricoh 7mm f/2.6 http://egami.blog.so-net.ne.jp/2014-08-10
Olympus 8mm f/3.5 Fisheye http://egami.blog.so-net.ne.jp/2011-12-02
Olympus 10mm f/2.8 http://egami.blog.so-net.ne.jp/2011-10-21
Olympus 14mm, 16mm, 17mm, 18mm, 22mm f/2.8 Pancake Lenses http://egami.blog.so-net.ne.jp/2012-04-09
Olympus 12mm f/1.0 and 14mm f/1.0 and f/1.2 http://egami.blog.so-net.ne.jp/2014-02-21
Panasonic 12mm f/1.2 http://egami.blog.so-net.ne.jp/2014-08-08
Olympus 12mm f/3.5 http://egami.blog.so-net.ne.jp/2010-08-28
Olympus 15mm f/2 http://egami.blog.so-net.ne.jp/2013-08-21
Olympus 25mm f/1.2 http://egami.blog.so-net.ne.jp/2015-04-22
Olympus 25mm f/2.8 http://egami.blog.so-net.ne.jp/2012-07-04
Olympus 30mm f/3.5 http://egami.blog.so-net.ne.jp/2016-06-03
Sigma 35mm f/2 http://egami.blog.so-net.ne.jp/2015-06-13
Konica Minolta 43mm f/1.4 http://egami.blog.so-net.ne.jp/2012-09-07
Konica Minolta 45mm f/2.8 Macro http://egami.blog.so-net.ne.jp/2013-11-23
Tamron 45mm f/2.8 Macro http://egami.blog.so-net.ne.jp/2013-07-05
Olympus 70mm f/2.8 http://egami.blog.so-net.ne.jp/2013-08-09
Olympus 100mm f/4.5 Macro http://egami.blog.so-net.ne.jp/2013-08-09
Konica-Minolta 150mm f/2.8 http://egami.blog.so-net.ne.jp/2013-12-12
Olympus 250mm f/5 Reflex http://egami.blog.so-net.ne.jp/2013-10-27
Olympus 500m f/4 http://egami.blog.so-net.ne.jp/2015-06-24
Konica Minolta 9-18mm f/3.5-4.5 http://egami.blog.so-net.ne.jp/2013-09-03
Konica Minolta 8-17.5mm f/2.8 http://egami.blog.so-net.ne.jp/2013-08-19
Olympus 12-50mm f/2.8-4.0 http://egami.blog.so-net.ne.jp/2014-06-11
Olympus 20-400mm f/4 http://egami.blog.so-net.ne.jp/2013-06-14
Olympus 12-150mm F4-6.3 IS http://egami.blog.so-net.ne.jp/2014-05-20
Olympus 12-120mm F4-5.6 http://egami.blog.so-net.ne.jp/2012-05-07
Olympus 8-20mm f/2.8-4 http://egami.blog.so-net.ne.jp/2012-10-12
Sigma 70-200 f/2.8 http://egami.blog.so-net.ne.jp/2016-05-13
Canon 15-85mm f/2-3.5 http://egami.blog.so-net.ne.jp/2015-05-11
Note that it is common for companies to patent lens designs they will sell afterwards to another company. Konica Minolta for example does this all the time.