Portfolio comparison
Automatic Electric Co vs Tomita Pharmaceutical Co Ltd
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Automatic Electric Co
Patents indexed
1
Year range
1925
Most recent
1925
telecommunicationsmechanical
Top Patents1 enriched
US 1537326· 1925
How Early Telephone Systems Managed Busy Lines Automatically
Activity by Decade
1920s1
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.