Portfolio comparison
John Harvey Kellogg vs Motorola
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 558393· 1896
How John Harvey Kellogg Invented Flaked Breakfast Cereals
Activity by Decade
1890s1
Company B
Motorola
Patents indexed
1
Year range
1998
Most recent
1998
telecommunicationsconsumer_electronicssemiconductorssoftware
Top Patents1 enriched
US 5757229· 1998
How a Radio Amplifier Saves Energy by Sharing Work
Activity by Decade
1990s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.