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