Portfolio comparison
Kirin Amgen Inc vs ExxonMobil Research and Engineering
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Kirin Amgen Inc
Patents indexed
1
Year range
1987
Most recent
1987
biotechpharmaceuticalgene_editingbiotechnology
Top Patents1 enriched
US 4703008· 1987
How to Make Human Erythropoietin (EPO) Using Engineered DNA
Activity by Decade
1980s1
Company B
ExxonMobil Research and Engineering
Patents indexed
1
Year range
2017
Most recent
2017
energyclean_energychemical_engineeringpower_generationcarbon_capture
Top Patents1 enriched
US 9553321· 2017
How Fuel Cells Capture Carbon Dioxide While Making Electricity
Activity by Decade
2010s1
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