No. Patents
1 Patents 2021
2 Patents 2020
3 Patents 2019
4 Patents 2018
5 Patents 2017
6 Patents 2016
7 Patents 2015
8 Patents 2014
9 Patents 2013
10 Patents 2012
11 Patents 2011
12 Patents 2010
13 Patents 2009
14 Patents 2008
15 Patents 1996
16 Patents 1988