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PatentBrief

Portfolio comparison

GM Global Technology Operations vs John Harvey Kellogg

Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.

Company A

GM Global Technology Operations

Patents indexed

6

Year range

2020 – 2024

Most recent

2024

automotiveconsumer_electronicsenergymaterialssemiconductors

Activity by Decade

2020s
6

Company B

John Harvey Kellogg

Patents indexed

1

Year range

1896

Most recent

1896

consumer_electronics

Activity by Decade

1890s
1

How to use

Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.