Portfolio comparison
Transkaryotic Therapies Inc vs Walter Hunt
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Transkaryotic Therapies Inc
Patents indexed
1
Year range
2003
Most recent
2003
biotechpharmaceutical
Top Patents1 enriched
US 6531124· 2003
How to Use Modified Cells to Produce Insulin-Regulating Proteins in the Body
Activity by Decade
2000s1
Top Patents1 enriched
US 6281· 1849
How Walter Hunt Invented the Modern Safety Pin
Activity by Decade
1840s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.