Patents

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