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PatentBrief

Portfolio comparison

Sony Corp vs John L. Mason

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

Company A

Sony Corp

Patents indexed

2

Year range

2018 – 2019

Most recent

2019

consumer_electronicsai_mltelecommunicationsgamingrobotics

Activity by Decade

2010s
2

Company B

John L. Mason

Patents indexed

1

Year range

1858

Most recent

1858

mechanicalmaterials

Activity by Decade

1850s
1

How to use

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