Portfolio comparison
Oxy Catalyst Inc vs Tomita Pharmaceutical Co Ltd
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 2742437· 1956
How Eugene Houdry Invented the Modern Catalytic Converter
Activity by Decade
1950s1
Company B
Tomita Pharmaceutical Co Ltd
Patents indexed
1
Year range
2020
Most recent
2020
biotechmechanicalmaterials
Top Patents1 enriched
US 10525078· 2020
How to Make Stable Solid Dialysis Powder with Less Odor
Activity by Decade
2020s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.