… further for Grade C (47%), Grade B (40%) and Grade A (26%) [13] . Between 2015 and 2018, the leaky pipeline hardly … of the share of women could be observed from 24.1% to 26.2%. Figure 2. Proportion (%) of men and women in a typical … inventorships held by men, only one was held by a woman [26] . Between 2006 and 2018, the number of inventor teams …