Statistics
Database is updated daily but some data can be missed from the update.
Database covers the data from 1948 to today.
Statistics
Types Recode Date Duration Count
Pat. Unexam Pub. Unex. Pub. Date 1983.03.25 ~ 2020.02.26 3,159,054
Pat. Pub. Pub. Date 1948.06.20 ~ 2020.02.26 2,052,338
Util. Model Unexam. Pub. Unex. Pub. Date 1983.03.25 ~ 2020.02.26 589,793
Util. Model Pub. Pub. Date 1948.06.20 ~ 2020.02.26 515,881